CN115413522B - Artificial rain and snow reducing device and method based on charged particle catalysis of aircraft cluster sowing - Google Patents
Artificial rain and snow reducing device and method based on charged particle catalysis of aircraft cluster sowing Download PDFInfo
- Publication number
- CN115413522B CN115413522B CN202211044833.9A CN202211044833A CN115413522B CN 115413522 B CN115413522 B CN 115413522B CN 202211044833 A CN202211044833 A CN 202211044833A CN 115413522 B CN115413522 B CN 115413522B
- Authority
- CN
- China
- Prior art keywords
- cloud
- aircraft
- cluster
- sowing
- drops
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002245 particle Substances 0.000 title claims abstract description 203
- 238000009331 sowing Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 6
- 238000009833 condensation Methods 0.000 claims abstract description 12
- 230000005494 condensation Effects 0.000 claims abstract description 12
- 230000001276 controlling effect Effects 0.000 claims description 16
- 238000013459 approach Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 239000012212 insulator Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 11
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 238000001556 precipitation Methods 0.000 description 15
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- JKFYKCYQEWQPTM-UHFFFAOYSA-N 2-azaniumyl-2-(4-fluorophenyl)acetate Chemical compound OC(=O)C(N)C1=CC=C(F)C=C1 JKFYKCYQEWQPTM-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910021612 Silver iodide Inorganic materials 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229940045105 silver iodide Drugs 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G15/00—Devices or methods for influencing weather conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Atmospheric Sciences (AREA)
- Environmental Sciences (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention discloses a device and a method for artificially dropping rain and snow based on charged particle catalysis of aircraft cluster sowing, and belongs to the field of artificial weather modification. The device comprises: an aircraft cluster, a charged particle generation unit, an environment data acquisition unit and a cluster central control unit which are mounted on the aircraft; the charged particle generation unit is used for generating charged particles through discharge for aerial vehicle cluster high-altitude sowing; the environment data acquisition unit is used for acquiring cloud layer weather parameters in the sowing area of the aircraft cluster; the cluster central control unit is used for controlling the aircraft clusters to realize small-cycle in the cloud and large-cycle high-altitude sowing operation among the clouds according to the collected cloud droplet particle sizes. The method for catalyzing artificial rainfall and snow based on the charged particle sowing of the aircraft clusters is also provided. The invention can promote the vapor condensation and the cloud droplet growth in the cloud layer, reduce the requirements on weather window conditions, can realize the effect of rainfall and snow, and can realize the large-scale effect of more than 10 km.
Description
Technical Field
The invention belongs to the field of artificial weather modification, and particularly relates to a device and a method for catalyzing artificial precipitation of rain and snow based on charged particle sowing of an aircraft cluster.
Background
Artificial rainfall is the most commonly used means for efficiently developing and utilizing atmospheric water resources. At present, most of traditional artificial precipitation is based on a cloud sowing technology, silver iodide, dry ice and other catalysts are sown in the cloud, the volume of aerosol is increased by a condensation method, and the growth of water drops in a cloud layer is promoted, so that the size required for triggering a natural rainfall process is achieved. However, the method can be realized only under certain natural cloud conditions, and requires a large amount of accumulated rain clouds in the air, and also requires temperature and humidity to be within a narrow range, so that the technical condition is more severe. If the cloud layer lacks rainfall conditions, the rainfall effect is difficult to achieve.
The charged particles can induce water vapor to condense to form macroscopic droplets, and a large number of experiments sequentially prove the feasibility of corona discharge induced artificial precipitation and snow in different scenes, and the requirements on weather window conditions are low. In the prior art, the method for artificially reducing rain and snow by adopting charged particle catalysis comprises the following steps: the device is erected on the mountain top or coastline, and the device is fixed, so that charged particles are sent into a cloud layer only by rising hot air, and the rainfall effect is limited; some of the existing methods have the problem that the effect of rainfall is not ideal because the charged particles are scattered to the cloud layer by a single aircraft, so that the rainfall area can be enlarged to a certain extent, the action range is still limited, the rainfall with a large range of more than 10km is difficult to realize, and more importantly, the rainfall effect of the existing methods is not ideal.
Disclosure of Invention
Aiming at the defects and improvement demands of the prior art, the invention provides a device and a method for artificially reducing rain and snow based on charged particle catalysis by aircraft cluster sowing, which aim to reduce the requirements on weather window conditions, realize the large-scale artificial rain and snow operation of more than 10km and simultaneously improve the rain and snow effect.
To achieve the above object, according to one aspect of the present invention, there is provided an artificial rainfall and snow device based on charged particle sowing of an aircraft cluster, comprising: an aircraft cluster, a charged particle generation unit, an environment data acquisition unit and a cluster central control unit which are mounted on the aircraft;
the charged particle generation unit is used for generating charged particles through discharge for aerial vehicle cluster high-altitude sowing;
the environment data acquisition unit is used for acquiring cloud layer weather parameters in the sowing area of the aircraft cluster;
the central control unit of the cluster is used for controlling the average particle size R of cloud drops of different cloud layers in cloud layer meteorological parameters and a preset threshold value R of the particle size of the cloud drops T In comparison, when the average particle diameter R of the cloud drops is smaller than the threshold value R T When the cloud layer is used, controlling the corresponding aircrafts in the cloud layer to perform small-cycle high-altitude sowing operation in the cloud layer;
when the average particle diameter R of the cloud drops in at least one cloud layer approaches the threshold value R T When the aircraft is controlled to enterPerforming inter-cloud large-cycle high-altitude sowing operation to increase the number of condensation nuclei, and simultaneously generating speed difference among cloud layers or among cloud drops with different particle sizes in the cloud layers;
when the average particle diameter R of the cloud drops in the cloud layer is larger than the threshold value R T Ending the intra-cloud small cycle corresponding to the cloud layer; and when the average particle diameter R of the cloud drops in all cloud layers does not drop in the set time and the set error, ending the large circulation among the cloud of the cluster, otherwise restarting the small circulation in the cloud of the cluster;
the cloud small circulation is the circulation sowing operation of different aircrafts in the corresponding cloud layers, and the cloud large circulation is the circulation sowing operation of one or more aircrafts in the different cloud layers.
Further, the aircraft cluster is further used for regulating and controlling the discharge voltage or the discharge current of the charged particle generation unit according to the cloud meteorological parameters and the concentration distribution of charged particles scattered in the cloud in the process of small circulation in the cloud of the aircraft cluster so as to maintain the concentration of the particles in the cloud in a required concentration state.
Further, the charged particle generation unit comprises a particle generator, a high-voltage direct-current power supply and a cable; the particle generator is electrically connected with the output end of the high-voltage direct-current power supply through the cable.
Further, the particle generator comprises a plurality of discharge electrodes, insulators and an insulating frame, wherein the discharge electrodes are connected in a serial manner through the insulators and embedded in the insulating frame.
Further, the particle generator comprises a first particle generator and a second particle generator, the high-voltage direct current power supply comprises a positive polarity high-voltage direct current power supply and a negative polarity high-voltage direct current power supply, the first particle generator is electrically connected with the positive polarity high-voltage direct current power supply through a cable, the second particle generator is electrically connected with the negative polarity high-voltage direct current power supply through a cable, and the first particle generator and the second particle generator are arranged on an aircraft and are symmetrical.
Further, the first particle generator and the second particle generator are arranged in the cabin of the aircraft and are bilaterally symmetrical;
or the first particle generator and the second particle generator are arranged in the cabin of the aircraft and are symmetrical in head and tail;
or the first particle generator and the second particle generator are symmetrically arranged on two sides of the wing of the aircraft.
Further, the discharge electrode is an elongated blade electrode, a needle electrode, a wire electrode or a mesh electrode.
According to another aspect of the present invention, there is provided a method for catalyzing artificial precipitation of rain and snow based on sowing charged particles by an aircraft fleet, comprising:
generating charged particles through discharge for aerial vehicle clusters to scatter in high altitude;
collecting cloud layer meteorological parameters in a sowing area of an aircraft cluster;
the average particle diameter R of cloud drops of different cloud layers in cloud layer weather parameters and a preset threshold value R of the particle diameter of the cloud drops are obtained T In comparison, when the average particle diameter R of the cloud drops is smaller than the threshold value R T When the cloud layer is used, controlling the corresponding aircrafts in the cloud layer to perform small-cycle high-altitude sowing operation in the cloud layer;
when the average particle diameter R of the cloud drops in at least one cloud layer approaches the threshold value R T When the cloud-to-cloud large-cycle high-altitude sowing operation is performed by the aircraft, so that the number of condensation nuclei is increased, and meanwhile, speed difference is generated among cloud layers or among cloud drops with different particle sizes in the cloud layers;
when the average particle diameter R of the cloud drops in the cloud layer is larger than the threshold value R T Ending the intra-cloud small cycle corresponding to the cloud layer; and when the average particle diameter R of the cloud drops in all cloud layers does not drop in the set time and the set error, ending the large circulation among the cloud of the cluster, otherwise restarting the small circulation in the cloud of the cluster;
the cloud small circulation is the circulation sowing operation of different aircrafts in the corresponding cloud layers, and the cloud large circulation is the circulation sowing operation of one or more aircrafts in the different cloud layers.
Further, in the process of small circulation in the cluster cloud, the method further comprises the steps of:
and regulating and controlling discharge voltage or discharge current according to the cloud layer meteorological parameters and the concentration distribution of charged particles scattered in the cloud so as to maintain the concentration of the particles in the cloud layer in a required concentration state.
Further, the charged particles scattered by the aircraft cluster comprise positive charged particles and negative charged particles, and the positive charged particles and the negative charged particles are respectively scattered symmetrically on two sides of the aircraft;
or the positive charged particles and the negative charged particles are respectively scattered at the head and the tail of the aircraft.
In general, through the above technical solutions conceived by the present invention, the following beneficial effects can be obtained:
(1) According to the invention, the inter-cloud small circulation is firstly carried out by the aircraft clusters, charged particles are scattered to induce the cloud droplets to collide and grow to trigger rainfall, when the average particle size of the cloud droplets in the cloud layers approaches a set threshold value, the inter-cloud large circulation of the aircraft is started, the charged particles are scattered to increase the number of condensation nuclei, meanwhile, the inter-cloud collision efficiency is improved to accelerate the cloud droplet growth, when obvious rainfall occurs in a working area, the inter-cloud small circulation of the working area is ended, and when the rainfall continues in all the working areas, the inter-cloud large circulation of the clusters is ended, otherwise, the inter-cloud small circulation of the clusters is restarted, so that the continuous rainfall and snowfall of the working area can be ensured, and the rainfall and snowfall effects can be ensured. Meanwhile, due to the aerial sowing operation of the aircraft clusters, charged particles are directly sowed to cloud layers, the action position is accurate and efficient, and the aerial sowing device can be moved to any area to drop rain and snow, is flexible and convenient to operate, and can easily realize the large-scale action of more than 10 km.
(2) The charged particles with positive polarity and negative polarity are respectively scattered on the two sides of the aircraft, so that the polar neutralization can be realized conveniently by large and small circulation, the original polarity of the cloud layer is not destroyed, harmful substances are not additionally generated, the aircraft is environment-friendly, and the economic benefit is considerable.
In summary, the device and the method for sowing charged particles for catalyzing artificial precipitation and snow provided by the invention can promote vapor condensation and cloud droplet growth in the cloud layer, reduce the requirements on weather window conditions, can achieve precipitation and snow effects, and can realize a large-scale effect of more than 10 km.
Drawings
FIG. 1 is a schematic diagram of a single-frame aircraft on which charged particles are scattered for catalyzing artificial precipitation of rain and snow according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the installation positions of the positive and negative particle generators for different aircraft according to an embodiment of the present invention, wherein (a) - (f) in the figures respectively represent the schematic diagrams of the installation positions of the positive and negative particle generators for different aircraft;
fig. 3 is a schematic structural view of a charged particle generation unit according to an embodiment of the present invention;
FIG. 4 is a schematic illustration of a single-frame aircraft broadcast operation provided by an embodiment of the present invention;
fig. 5 is a schematic diagram of inter-cloud large circulation and intra-cloud small circulation of an aircraft fleet according to an embodiment of the present invention.
The same reference numbers are used throughout the drawings to reference like elements or structures, wherein:
1-discharge electrode, 2-insulation, 3-insulation frame, 4-cable, 5-high voltage DC power supply, 6-particle generator.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
In the present invention, the terms "first," "second," and the like in the description and in the drawings are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
As shown in fig. 1, the device for catalyzing artificial precipitation of rain and snow based on charged particles scattered by an aircraft cluster provided by the embodiment of the invention mainly comprises: an aircraft cluster, a charged particle generation unit, an environment data acquisition unit and a cluster central control unit which are mounted on the aircraft;
the aircraft cluster is used for completing the small-cycle in the cloud and the large-cycle high-altitude sowing operation between clouds;
the charged particle generation unit is used for generating charged particles through discharge and broadcasting the charged particles into clouds, accelerating collision and fusion among the cloud drops to form cloud drops or liquid drops with larger size, and triggering natural rainfall after the large cloud drops reach high enough concentration; in this embodiment, corona discharge is selected to produce charged particles;
the environment data acquisition unit is used for acquiring cloud layer weather parameters and position information of the aerial vehicle cluster sowing operation area; wherein, cloud layer meteorological parameter mainly includes: cloud droplet particle size, cloud droplet concentration, wind speed and direction, temperature and humidity, atmospheric pressure, cloud layer height, thickness and width;
the cluster central control unit is used for controlling the aircraft clusters to realize small-cycle in the cloud and large-cycle high-altitude sowing operation among the clouds according to the collected cloud droplet particle sizes; specifically, as shown in fig. 5, the central control unit of the cluster is configured to combine the average cloud droplet size R in the collected different cloud layers with a preset cloud droplet size threshold R T In contrast, when the average particle diameter R of the cloud droplets in the cloud layer is smaller than the threshold value R T When the cloud layer is used, the corresponding aircrafts in the cloud layer are controlled to carry out small-cycle high-altitude broadcasting operation in the cloud layer, and the particle generator generates a large number of positive and negative charged particles through discharging and broadcasts the positive and negative charged particles into the cloud layer where the aircrafts are positioned, so that the collision growth of cloud drops is induced to trigger rainfall;
when the average particle diameter R of the cloud drops in at least one cloud layer approaches the threshold value R T When (i.e. R and threshold R within the set error range T Equal), controlling the aircraft to perform inter-cloud large-cycle high-altitude sowing operation, sowing charged particles to increase the number of condensation nuclei, simultaneously generating speed difference between cloud drops with different particle sizes in cloud layers or cloud layers, and improving the inter-cloud collision efficiency so as to accelerate the growth of cloud drops;
when the average particle diameter R of the cloud drops in the cloud layer is larger than the threshold value R T Ending the small cycle in the cloud corresponding to the cloud layer when obvious precipitation occurs in the operation area; and when the average particle diameter R of the cloud drops in all cloud layers does not obviously decrease in a set time, namely continuous precipitation in the operation areaAnd ending the large circulation among the cluster clouds, otherwise restarting the small circulation in the cluster clouds.
Wherein R is T A threshold for precipitation to occur in the work area; in this embodiment, the cloud droplet size threshold range is specifically 20 to 25 μm.
The small circulation in the cloud refers to the circulation sowing operation of different aircrafts in respective cloud layers, and the large circulation in the cloud refers to the circulation sowing operation of one or more aircrafts in different cloud layers. The one or more aircrafts realizing the inter-cloud large circulation can be aircrafts which are different from the aircrafts performing small circulation in the cloud layer, and also can be aircrafts in a certain cloud layer or a plurality of cloud layers which realize obvious rainfall.
The central control unit of the aircraft group is also used for adjusting the discharge voltage or the discharge current of the charged particle generation unit according to the collected cloud layer meteorological parameters, controlling the concentration and the range of the charged particles scattered by each aircraft, improving the efficiency of the aircraft group for carrying out inter-cloud large-cycle and intra-cloud small-cycle operation, and realizing the large-range charged particle scattering of more than 10 km. Specifically, in the operation process of the aerial vehicle cluster for carrying out the small circulation in the cloud, the central control unit of the cluster regulates and controls the discharge voltage or the discharge current of the high-voltage direct-current power supply in the charged particle generation unit and the operation position of the aerial vehicle in the cloud according to cloud meteorological data and the concentration distribution of charged particles scattered in the cloud, so that the concentration of the particles in the whole cloud is maintained in a higher and balanced state, and the efficient operation is ensured.
The aircraft fleet includes, but is not limited to, one or more of an aircraft, balloon, airship, helicopter, etc.; in this embodiment, the aircraft fleet is selected from aircraft.
The charged particle generation unit comprises a particle generator 6, a high-voltage direct-current power supply 5 and a cable 4; the particle generator 6 is connected to the output of the high voltage dc power supply 5 via a cable 4.
As a preferred embodiment, the hvdc power source 5 in this embodiment is a positive polarity hvdc power source and a negative polarity hvdc power source, and the particle generator 6 comprises a first particle generator and a second particle generator, wherein the first particle generator is electrically connected to the positive polarity hvdc power source through the cable 4 and is used for generating positive polarity particles; the second particle generator is electrically connected with a negative-polarity high-voltage direct-current power supply through a cable 4 and is used for generating negative-polarity particles; and the first particle generator and the second particle generator are symmetrically disposed on the aircraft, for example, the first particle generator and the second particle generator are installed in the cabin in a side-to-side symmetrical manner as shown in (a) of fig. 2; the first particle generator and the second particle generator are installed in the cabin in a head-to-tail symmetrical manner, as shown in (b) of fig. 2; the first particle generator and the second particle generator are suspended on both sides of the wing in a bilateral symmetry manner as shown in (c) of fig. 2; when a balloon, an airship, a helicopter and the like are selected as the aircraft, whether the aircraft has wing conditions or not and whether the aircraft nose and the aircraft tail are distinguished or not are comprehensively considered, and positive and negative particle generators can be symmetrically arranged in a nacelle or in the nacelle according to the left-right symmetry or the head-tail symmetry position distribution, as shown in (d) - (f) in fig. 2. The high voltage direct current power supply 5 is preferably placed in the aircraft cabin body.
Through setting up bipolar high voltage direct current power supply and the charged particle of corresponding particle generator ability simultaneous generation positive, negative polarity, respectively symmetrical scattering, compare the charged particle of unipolar, can not destroy the electric neutral state of whole scattering area, can not additionally produce harmful substance, friendly to the environment, economic benefits is considerable.
In this embodiment, the particle generator includes a plurality of discharge electrodes 1, an insulator 2, and an insulating frame 3, wherein the particle generator is a first particle generator and a second particle generator; a plurality of discharge electrodes 1 are connected in series through insulators 2, and are embedded in an insulating frame 3, as shown in fig. 3.
In the embodiment, the high-voltage direct-current power supply 5 is continuously adjustable within 0 to (+/-) 60kV, and the power supply is stable. The central control unit of the cluster monitors the discharge current and voltage, dynamically adjusts the output voltage of positive and negative high-voltage power supplies, and adjusts the concentration of positive and negative particles, thereby realizing the overall electric neutrality of the aircraft.
Discharge electrodes include, but are not limited to: a strip-shaped blade electrode, a needle electrode, a wire electrode or a net electrode, etc.; in the embodiment, the discharge electrode is a strip-shaped blade electrode, the thickness of the base part is 1-3 mm, the thickness of the blade body part is 0.05-20 mu m, and the blade spacing is 4cm.
In this embodiment, the environmental data acquisition unit includes a positioning component, a meteorological data acquisition component, a wireless data transmission component, a multi-data center monitoring component and a power supply;
the positioning component is used for positioning the position of the sowing operation area in real time; the meteorological data acquisition assembly comprises a particle size spectrometer, an ion concentration counter and a meteorological data acquisition instrument, wherein the meteorological data acquisition instrument is used for acquiring wind speed and direction, temperature and humidity, atmospheric pressure, cloud layer height H, cloud layer thickness H and cloud layer width d. As shown in fig. 4, a single aircraft sowing operation schematic diagram is shown, and a cloud layer height H, a cloud layer thickness H, a cloud layer width d (i in the figure represents an ith aircraft) and the like are all obtained by a meteorological data acquisition component. The wireless data transmission component transmits the acquired cloud meteorological data and the voltage or current output by the high-voltage direct-current power supply to the central control unit of the ground cluster. The multi-data center monitoring component can store the historical data of each environmental operation, update and synchronize the data in real time, and facilitate remote monitoring and analysis on the ground. The power supply supplies power to the positioning assembly, the meteorological data acquisition assembly, the wireless data transmission assembly and the multi-data center monitoring assembly respectively.
The invention also provides a method for catalyzing artificial precipitation of rain and snow based on charged particles scattered by the aircraft clusters, which mainly comprises the following steps:
charged particles are generated through discharge, and are scattered into the cloud through the aircraft cluster;
collecting cloud layer weather parameters and position information of an aircraft cluster sowing operation area; wherein, cloud layer meteorological parameter mainly includes: cloud droplet particle size, cloud droplet concentration, wind speed and direction, temperature and humidity, atmospheric pressure, cloud layer height, thickness and width;
controlling an aircraft cluster according to the acquired cloud droplet particle size to realize the small-cycle in the cloud and large-cycle high-altitude sowing operation between clouds;
specifically, the process for controlling the aircraft cluster to realize the small-cycle in the cloud and the large-cycle high-altitude broadcasting operation among the clouds according to the acquired cloud droplet particle size comprises the following steps:
the average particle diameter R of the cloud drops in the collected different cloud layers is compared with a preset threshold value R of the particle diameter of the cloud drops T In contrast, when the average particle diameter R of the cloud droplets in the cloud layer is smaller than the threshold value R T When the cloud layer is used, the corresponding aircrafts in the cloud layer are controlled to carry out small-cycle high-altitude broadcasting operation in the cloud layer, a large number of positive and negative charged particles are generated through discharging and broadcast into the cloud layer where the aircrafts are located, and the cloud drops are induced to collide and grow to trigger rainfall;
when the average particle diameter R of the cloud drops in at least one cloud layer approaches the threshold value R T When (i.e. R and threshold R within the set error range T Equal), controlling the aircraft to perform inter-cloud large-cycle high-altitude sowing operation, sowing charged particles to increase the number of condensation nuclei, simultaneously generating speed difference between cloud drops with different particle sizes in cloud layers or cloud layers, and improving the inter-cloud collision efficiency so as to accelerate the growth of cloud drops;
when the average particle diameter R of the cloud drops in the cloud layer is larger than the threshold value R T Ending the small cycle in the cloud corresponding to the cloud layer when obvious precipitation occurs in the operation area; and when the average particle diameter R of the cloud drops in all cloud layers does not obviously decrease in a set time, namely continuous precipitation in an operation area, ending the large circulation among the clouds of the cluster, otherwise restarting the small circulation in the cloud of the cluster.
When the small cycle in the cloud is performed, the method further comprises the steps of: according to cloud layer meteorological data and the distribution of the concentration of charged particles scattered in the cloud, the discharge voltage or discharge current of a high-voltage direct current power supply in a charged particle generation unit and the operation position of an aircraft in the cloud are regulated, so that the concentration of the particles in the whole cloud layer is maintained in a higher and balanced state, and high-efficiency operation is ensured.
The charged particles scattered by the aircraft group comprise positive charged particles and negative charged particles, and the positive charged particles and the negative charged particles are respectively scattered on two sides of the aircraft symmetrically;
or the positive charged particles and the negative charged particles are respectively scattered at the head and the tail of the aircraft.
According to the invention, the inter-cloud small circulation is firstly carried out by the aircraft clusters, charged particles are scattered to induce the cloud droplets to collide and grow to trigger rainfall, when the average particle size of the cloud droplets in the cloud layers approaches a set threshold value, the inter-cloud large circulation of the aircraft is started, the charged particles are scattered to increase the number of condensation nuclei, meanwhile, the inter-cloud collision efficiency is improved to accelerate the cloud droplet growth, when obvious rainfall occurs in a working area, the inter-cloud small circulation of the working area is ended, and when the rainfall continues in all the working areas, the inter-cloud large circulation of the clusters is ended, otherwise, the inter-cloud small circulation of the clusters is restarted, so that the continuous rainfall and snowfall of the working area can be ensured, and the rainfall and snowfall effects can be ensured. Meanwhile, due to the aerial sowing operation of the aircraft clusters, charged particles are directly sowed to cloud layers, the action position is accurate and efficient, and the aerial sowing device can be moved to any area to drop rain and snow, is flexible and convenient to operate, and can easily realize the large-scale action of more than 10 km.
The method for sowing charged particles for catalyzing artificial precipitation of rain and snow provided by the invention can promote vapor condensation and cloud droplet growth in the cloud layer, and reduce the requirements on weather window conditions.
The charged particles with positive polarity and negative polarity are respectively scattered on the two sides of the aircraft, so that the polar neutralization can be realized conveniently by large and small circulation, the original polarity of the cloud layer is not destroyed, harmful substances are not additionally generated, the aircraft is environment-friendly, and the economic benefit is considerable.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (8)
1. Based on aircraft crowd broadcast charged particle catalysis artificial rainfall snow device, its characterized in that includes: an aircraft cluster, a charged particle generation unit, an environment data acquisition unit and a cluster central control unit which are mounted on the aircraft;
the charged particle generation unit is used for generating charged particles through discharge for aerial vehicle cluster high-altitude sowing;
the environment data acquisition unit is used for acquiring cloud layer weather parameters in the sowing area of the aircraft cluster;
the central control unit of the cluster is used for controlling the average particle size R of cloud drops of different cloud layers in cloud layer meteorological parameters and a preset threshold value R of the particle size of the cloud drops T In comparison, when the average particle diameter R of the cloud drops is smaller than the threshold value R T When the cloud layer is used, controlling the corresponding aircrafts in the cloud layer to perform small-cycle high-altitude sowing operation in the cloud layer;
when the average particle diameter R of the cloud drops in at least one cloud layer approaches the threshold value R T When the cloud-to-cloud large-cycle high-altitude sowing operation is performed by the aircraft, so that the number of condensation nuclei is increased, and meanwhile, speed difference is generated among cloud layers or among cloud drops with different particle sizes in the cloud layers;
when the average particle diameter R of the cloud drops in the cloud layer is larger than the threshold value R T Ending the intra-cloud small cycle corresponding to the cloud layer; and when the average particle diameter R of the cloud drops in all cloud layers does not drop in the set time and the set error, ending the large circulation among the cloud of the cluster, otherwise restarting the small circulation in the cloud of the cluster;
the aircraft cluster is also used for regulating and controlling the discharge voltage or discharge current of the charged particle generation unit according to the cloud layer meteorological parameters and the concentration distribution of charged particles scattered in the cloud in the process of small circulation in the cloud of the aircraft cluster so as to maintain the concentration of the particles in the cloud layer in a required concentration state;
the cloud small circulation is the operation that different aircrafts circulate in the corresponding cloud layers, and the cloud large circulation is the operation that a plurality of aircrafts circulate in the different cloud layers.
2. The device according to claim 1, characterized in that the charged particle generating unit comprises a particle generator (6), a high voltage direct current power supply (5) and a cable (4); the particle generator (6) is electrically connected with the output end of the high-voltage direct-current power supply (5) through the cable (4).
3. The device according to claim 2, wherein the particle generator (6) comprises a plurality of discharge electrodes (1), an insulator (2) and an insulating frame (3), and the plurality of discharge electrodes (1) are connected in series through the insulator (2) and embedded on the insulating frame (3).
4. The apparatus of claim 3, wherein the particle generator comprises a first particle generator and a second particle generator, the high voltage dc power source comprises a positive polarity high voltage dc power source and a negative polarity high voltage dc power source, the first particle generator is electrically connected to the positive polarity high voltage dc power source through a cable, the second particle generator is electrically connected to the negative polarity high voltage dc power source through a cable, and the first particle generator and the second particle generator are disposed symmetrically on the aircraft.
5. The apparatus of claim 4, wherein the first and second particle generators are disposed within an aircraft cabin and are side-to-side symmetric;
or the first particle generator and the second particle generator are arranged in the cabin of the aircraft and are symmetrical in head and tail;
or the first particle generator and the second particle generator are symmetrically arranged on two sides of the wing of the aircraft.
6. The device of any one of claims 3-5, wherein the discharge electrode is an elongated blade electrode, a needle electrode, a wire electrode, or a mesh electrode.
7. A method for catalyzing an artificial snowfall device based on the sowing of charged particles by an aircraft fleet according to any one of claims 1-6, comprising:
generating charged particles through discharge for aerial vehicle clusters to scatter in high altitude;
collecting cloud layer meteorological parameters in a sowing area of an aircraft cluster;
the average particle diameter R of cloud drops of different cloud layers in cloud layer weather parameters and a preset threshold value R of the particle diameter of the cloud drops are obtained T In comparison, when the average particle diameter R of the cloud drops is smaller than the threshold value R T When the cloud layer is used, controlling the corresponding aircrafts in the cloud layer to perform small-cycle high-altitude sowing operation in the cloud layer;
when the average particle diameter R of the cloud drops in at least one cloud layer approaches the threshold value R T When the cloud-to-cloud large-cycle high-altitude sowing operation is performed by the aircraft, so that the number of condensation nuclei is increased, and meanwhile, speed difference is generated among cloud layers or among cloud drops with different particle sizes in the cloud layers;
when the average particle diameter R of the cloud drops in the cloud layer is larger than the threshold value R T Ending the intra-cloud small cycle corresponding to the cloud layer; and when the average particle diameter R of the cloud drops in all cloud layers does not drop in the set time and the set error, ending the large circulation among the cloud of the cluster, otherwise restarting the small circulation in the cloud of the cluster;
further comprises: in the process of small circulation in the cloud of the cluster, according to the cloud layer meteorological parameters and the concentration distribution of charged particles scattered in the cloud, regulating and controlling discharge voltage or discharge current to maintain the concentration of the particles in the cloud layer in a required concentration state;
the cloud small circulation is the operation that different aircrafts circulate in the corresponding cloud layers, and the cloud large circulation is the operation that a plurality of aircrafts circulate in the different cloud layers.
8. The method of claim 7, wherein the charged particles broadcast by the fleet of aircraft comprise positively charged particles and negatively charged particles, the positively charged particles and the negatively charged particles being broadcast symmetrically on either side of the aircraft;
or the positive charged particles and the negative charged particles are respectively scattered at the head and the tail of the aircraft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211044833.9A CN115413522B (en) | 2022-08-30 | 2022-08-30 | Artificial rain and snow reducing device and method based on charged particle catalysis of aircraft cluster sowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211044833.9A CN115413522B (en) | 2022-08-30 | 2022-08-30 | Artificial rain and snow reducing device and method based on charged particle catalysis of aircraft cluster sowing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115413522A CN115413522A (en) | 2022-12-02 |
| CN115413522B true CN115413522B (en) | 2023-07-04 |
Family
ID=84199385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211044833.9A Active CN115413522B (en) | 2022-08-30 | 2022-08-30 | Artificial rain and snow reducing device and method based on charged particle catalysis of aircraft cluster sowing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115413522B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104686264A (en) * | 2015-02-12 | 2015-06-10 | 华中科技大学 | Method and device for artificially falling rain and snow by sowing charges in air |
| CN104737867A (en) * | 2015-02-12 | 2015-07-01 | 华中科技大学 | Regional joint catalytic snow and rain falling device and method |
| CN105052639A (en) * | 2015-09-22 | 2015-11-18 | 许琬晨 | Method and system for artificially influencing weather |
| CN105607153A (en) * | 2016-02-25 | 2016-05-25 | 清华大学 | Cloud monitoring system based on intelligent balloon group, artificial rainfall system based on intelligent balloon group and control method of artificial rainfall system |
| CN108686836A (en) * | 2017-04-12 | 2018-10-23 | 张航菲 | Unmanned aerial vehicle group sprays high-pressure electrostatic except haze method |
| CN110476685A (en) * | 2019-08-20 | 2019-11-22 | 华中科技大学 | A kind of device and method of charged particle and catalyst joint rain making |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9526216B2 (en) * | 2012-11-26 | 2016-12-27 | Elwha Llc | System for facilitating cloud formation and cloud precipitation |
-
2022
- 2022-08-30 CN CN202211044833.9A patent/CN115413522B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104686264A (en) * | 2015-02-12 | 2015-06-10 | 华中科技大学 | Method and device for artificially falling rain and snow by sowing charges in air |
| CN104737867A (en) * | 2015-02-12 | 2015-07-01 | 华中科技大学 | Regional joint catalytic snow and rain falling device and method |
| CN105052639A (en) * | 2015-09-22 | 2015-11-18 | 许琬晨 | Method and system for artificially influencing weather |
| CN105607153A (en) * | 2016-02-25 | 2016-05-25 | 清华大学 | Cloud monitoring system based on intelligent balloon group, artificial rainfall system based on intelligent balloon group and control method of artificial rainfall system |
| CN108686836A (en) * | 2017-04-12 | 2018-10-23 | 张航菲 | Unmanned aerial vehicle group sprays high-pressure electrostatic except haze method |
| CN110476685A (en) * | 2019-08-20 | 2019-11-22 | 华中科技大学 | A kind of device and method of charged particle and catalyst joint rain making |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115413522A (en) | 2022-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104686264B (en) | Method and device for artificially falling rain and snow by sowing charges in air | |
| AU2009275553B2 (en) | Apparatus and related methods for weather modification by electrical processes in the atmosphere | |
| CN104737867B (en) | A kind of device and method of regional joint catalysis rainfall snow | |
| TWI475774B (en) | Method,apparatus of removal of droplet in gaseous fluid and combination of apparatus and road | |
| CN102137591B (en) | Method and apparatus for local modification of atmosphere | |
| US20110174892A1 (en) | Apparatus and related methods for weather modification by electrical processes in the atmosphere | |
| US20170313438A1 (en) | Charge Control System to Reduce Risk of an Aircraft-Initiated Lightning Strike | |
| CN115413522B (en) | Artificial rain and snow reducing device and method based on charged particle catalysis of aircraft cluster sowing | |
| CN104705136B (en) | A kind of device of Precipitation simulation snow | |
| Bowen | A new method of stimulating convective clouds to produce rain and hail | |
| CN108110274B (en) | Hydrogen fuel cell, automobile and unmanned aerial vehicle | |
| CN114561903B (en) | Highway defogging system based on jumbo size space corona discharge | |
| CN110476685B (en) | Device and method for combined artificial rainfall of charged particles and catalyst | |
| CN109270595B (en) | Weather operation method and system | |
| EP1010810A1 (en) | Mist clearing method and equipment | |
| CN208609780U (en) | A kind of compound bird-scaring unit of acousto-optic based on vertical shaft fan | |
| CN108770833A (en) | A kind of compound bird-scaring unit of acousto-optic based on vertical shaft fan | |
| CN117356340A (en) | Array type artificial rain and snow falling device and method based on positive and negative charged particles | |
| CN209449358U (en) | Without pylon weather regulating system | |
| Wang et al. | Design and experiment of an aerial electrostatic spraying system for unmanned agricultural aircraft systems | |
| RU2661765C1 (en) | Method of mist diffusion and device for its implementation | |
| CN110946017A (en) | Plant growth promoting system, planting greenhouse and plant growth promoting method | |
| CN116196717B (en) | Device and method for defogging and artificially reducing rain and snow by using electromagnetic wave enhanced high-voltage electrode | |
| JP4092957B2 (en) | Wind resistance reduction method for stratospheric platform and its operation control system | |
| CN109479592A (en) | A kind of no pylon weather regulating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |