CN114265125A - High-altitude atmosphere ice accumulation detection method and device - Google Patents
High-altitude atmosphere ice accumulation detection method and device Download PDFInfo
- Publication number
- CN114265125A CN114265125A CN202110842936.9A CN202110842936A CN114265125A CN 114265125 A CN114265125 A CN 114265125A CN 202110842936 A CN202110842936 A CN 202110842936A CN 114265125 A CN114265125 A CN 114265125A
- Authority
- CN
- China
- Prior art keywords
- data
- altitude
- position data
- icing
- carrier modulation
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000009825 accumulation Methods 0.000 title description 2
- 230000007613 environmental effect Effects 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000010485 coping Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a high-altitude atmosphere icing detection method and a system, wherein the method comprises the following steps: suspending an ice accretion sensor by an air sounding balloon to lift to a high altitude of 100-30 km, and collecting environmental data and position data at a plurality of altitudes; carrying out carrier modulation on the environment data and the position data and then transmitting the environment data and the position data to a meteorological ground station; and the meteorological ground station demodulates and decomposes the received carrier modulation signal to obtain environment data and position data, and calculates the probability and thickness of high-altitude atmosphere icing according to the environment data and the position data. The method can quickly obtain atmospheric meteorological elements and supercooled water icing conditions of different elevations, and has guiding significance for guiding airspace flight and the like.
Description
Technical Field
The invention relates to the field of meteorological sounding, in particular to a high-altitude atmospheric icing detection method and device for an aerial detection system to measure the icing condition of an aerial system from the ground to the air.
Background
The supercooled water encountered by the airplane during flying in the air can cover the wings to cause icing, so that the influence on the lift force is generated, the icing of the wings influences the flow of the airflow on the boundary layer, and the aerodynamic appearance of the wings is changed, so that the lift force coefficient capacity of the wing profile is reduced, the resistance coefficient is increased, the lift-drag ratio at the same attack angle is reduced, and the maximum lift-drag ratio of the wings is reduced.
After the aircraft is frozen, the static stability and the dynamic stability of the longitudinal direction and the transverse direction are affected correspondingly. The aerodynamic shape of the wings is changed after the airplane is frozen, so that the position of the wing-shaped focus is changed; the icing changes the mass distribution of the airplane, the position of the mass center is also influenced to a certain degree, the longitudinal static stability of the airplane is changed by the icing and the longitudinal pneumatic derivatives of the airplane are also changed by the change of the pneumatic appearance after the icing. The longitudinal dynamic stability of the airplane is changed, and the response time and the peak value are changed. The lever force and the operation efficiency of the operation surface are changed after the operation surface is frozen, and sometimes the gap of the operation surface is frozen, so that the operation efficiency is reduced, and the phenomenon of locking can occur in serious cases, so that the operation performance is completely ineffective. Will cause great damage to the flight.
At present, no method and device for directly measuring the ice deposition in the high-altitude atmosphere exist.
Disclosure of Invention
The invention provides a high-altitude atmosphere icing detection method and device, which are used for solving the technical problems that stability is reduced due to icing on wings when an existing airplane flies at high altitude, and high-altitude atmosphere icing is not well measured.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a high-altitude atmosphere icing detection method comprises the following steps:
suspending an ice accretion sensor by an air sounding balloon to lift to a high altitude of 100-30 km, and collecting environmental data and position data at a plurality of altitudes;
carrying out carrier modulation on the environment data and the position data and then transmitting the environment data and the position data to a meteorological ground station;
and the meteorological ground station demodulates and decomposes the received carrier modulation signal to obtain environment data and position data, and calculates the probability and thickness of high-altitude atmosphere icing according to the environment data and the position data.
As a further improvement of the process of the invention:
acquiring environmental data and location data at a plurality of altitudes, comprising: acquiring data once per liter of high unit altitude; the unit altitude is 100-300 m.
The environmental data includes: freezing thickness, temperature, humidity and air pressure; the position data includes spatial coordinates.
And after the environment data and the position data are subjected to carrier modulation, the environment data and the position data are transmitted to the meteorological ground station by adopting the frequency of the L waveband.
Calculating the probability of high-altitude atmospheric icing according to the environment data and the position data, wherein the calculation formula is as follows:
P＝H*Pr*Te，
wherein; te is temperature, 1 is taken when Te is less than 0.4 ℃, 0 is taken for others, and Pr is collection humidity value P1.3; the icing probability is very low when the humidity is below 70 percent; h is the altitude, the value is 1 when the altitude is more than 1300 m, and the other values are 0.3.
The invention also provides a high-altitude atmosphere icing detection device, which comprises:
the sounding balloon is used for carrying the environment detection assembly, the positioning assembly, the carrier modulation module and the transmitter to lift off;
the environment detection component is used for acquiring environment data;
the positioning assembly is used for acquiring position data;
the carrier modulation module is used for carrying out carrier modulation on the environment data and the position data to obtain a carrier modulation signal;
the transmitter is used for transmitting the carrier modulation signal to the meteorological ground station;
and the meteorological ground station is used for demodulating and decomposing the received carrier modulation signal to obtain environment data and position data, and calculating the probability and thickness of high-altitude atmosphere icing according to the environment data and the position data.
As a further improvement of the device of the invention:
the environment detection assembly includes: an ice accretion monitoring sensor, a humidity sensor, a temperature sensor and an atmospheric pressure sensor; the positioning assembly comprises a Beidou positioning chip or a GPS positioning chip.
The transmitter transmits the carrier modulation signal to the meteorological ground station by adopting the frequency of L wave band, and the meteorological ground station receives the carrier modulation signal by the radio theodolite or the radar.
The invention has the following beneficial effects:
according to the high-altitude atmosphere ice accretion detection method and device, equivalent atmospheric basic meteorological parameters and ice accretion conditions are measured by using the sounding balloon with the novel meteorological sensor, meteorological and ice accretion data are transmitted to the ground receiving station in real time, quantized data are provided for operators, supercooled water and meteorological elements in high-altitude atmosphere are judged, certain work in the field of airspace is guided and coping strategies are made, and the whole process is efficient, accurate and safe.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic flow diagram of a high altitude atmospheric icing detection method in accordance with a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of a high-altitude atmosphere icing detection device according to a preferred embodiment of the invention.
The reference numerals in the figures denote:
1. sounding balloons; 2. a sensor assembly; 3. a carrier modulation module; 4. a transmitter; 5. a meteorological ground station.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Referring to fig. 1, the high-altitude atmosphere icing detection method of the invention comprises the following steps:
s1: suspending an ice accretion sensor by an air sounding balloon to lift to a high altitude of 100-30 km, and collecting environmental data and position data at a plurality of altitudes;
s2: carrying out carrier modulation on the environment data and the position data and then transmitting the environment data and the position data to a meteorological ground station;
s3: and the meteorological ground station demodulates and decomposes the received carrier modulation signal to obtain environment data and position data, and calculates the probability and thickness of high-altitude atmosphere icing according to the environment data and the position data.
Through using the sounding balloon that has carried on neotype meteorological sensor, measure the basic meteorological parameter of equivalent atmosphere and the icing condition, convey meteorological and icing data to ground receiving station in real time simultaneously, provide the data of quantization for the operation personnel, judge supercooling water and meteorological element in the high altitude atmosphere, guide and make the coping strategy to some work in the airspace field for whole process is high-efficient, accurate, safety.
In practice, environmental data and location data are collected at a plurality of altitudes, including: acquiring data once per liter of high unit altitude; the unit altitude is 100-300 m. For example, data is collected every 100m rise or fall. Wherein the environmental data includes: freezing thickness, temperature, humidity and air pressure; the location data includes spatial coordinates (latitude and longitude and altitude).
In implementation, the environmental data and the position data are transmitted to the meteorological ground station by adopting the frequency of the L wave band after being subjected to carrier modulation.
Calculating the probability of high-altitude atmospheric icing according to the environment data and the position data, wherein the calculation formula is preferably as follows:
p ═ H × Pr ═ Te, where Te <0.4 ℃ was taken as 1, others were taken as 0, Pr is the collected humidity value P × 1.3, and the probability of icing was very low at humidity below 70%; h is the altitude, the value is 1 when the altitude is more than 1300 m, and the other values are 0.3.
Altitude H is typically calculated directly using altitude data measured by GPS. Preferably, the altitude is converted by a standard formula of the air pressure and the altitude through the actually measured air pressure data in the environment data, the high-altitude air icing probability is synchronously calculated to serve as verification data, and when the deviation of the multiple groups of data exceeds a threshold value, the GPS needs to be overhauled or calibrated.
Referring to fig. 2, an embodiment of the present invention further provides a high-altitude atmospheric icing detection apparatus, including: sounding balloon 1, sensor assembly 2, carrier modulation module 3, transmitter 4 and meteorological ground station 5. The sounding balloon is used for carrying an environment detection assembly, a positioning assembly, a carrier modulation module and a transmitter to lift off; the sensor assembly includes an environmental detection assembly and a positioning assembly. The environment detection component is used for acquiring environment data; and the positioning assembly is used for acquiring position data. The carrier modulation module is used for carrying out carrier modulation on the environment data and the position data to obtain a carrier modulation signal; the transmitter is used for transmitting the carrier modulation signal to the meteorological ground station; and the meteorological ground station is used for demodulating and decomposing the received carrier modulation signal to obtain environment data and position data, and calculating the probability and thickness of high-altitude atmosphere icing according to the environment data and the position data.
In this embodiment, the transmitter preferably transmits the carrier modulation signal to the meteorological ground station using an L-band frequency, and the meteorological ground station receives the carrier modulation signal through the radio theodolite or the radar and demodulates the carrier modulation signal.
In this embodiment, the sounding balloon with a diameter of 1.5 m is filled with hydrogen H2. The sounding balloon 1 can be used for carrying equipment with the weight of 300g and rising to the high altitude for 30 km. In practice, the environment detection assembly includes: an ice accretion monitoring sensor, a humidity sensor, a temperature sensor and an atmospheric pressure sensor; the positioning assembly comprises a Beidou positioning chip or a GPS positioning chip. In this embodiment, the actual mounted weight of the sounding balloon does not exceed 200 g.
In conclusion, the high-altitude atmospheric icing detection method and device provided by the invention measure basic meteorological parameters and icing conditions of equivalent atmosphere by using the sounding balloon with the novel meteorological sensor, simultaneously transmit the meteorological and icing data to the ground receiving station in real time, provide quantized data for operators, can quickly obtain atmospheric meteorological elements and supercooled water icing conditions of different elevations, and have guiding significance for guiding airspace flight and the like.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A high-altitude atmosphere icing detection method is characterized by comprising the following steps:
suspending an ice accretion sensor by an air sounding balloon to lift to a high altitude of 100-30 km, and collecting environmental data and position data at a plurality of altitudes;
carrying out carrier modulation on the environment data and the position data and then transmitting the environment data and the position data to a meteorological ground station;
and the meteorological ground station demodulates and decomposes the received carrier modulation signal to obtain the environment data and the position data, and calculates the probability of high-altitude atmosphere icing according to the environment data and the position data.
2. The high altitude atmospheric icing detection method of claim 1 wherein collecting environmental data and location data at a plurality of altitudes comprises: acquiring data once per liter of high unit altitude; the unit altitude is 100-300 m.
3. The high altitude atmosphere icing detection method according to claim 1, wherein the environmental data comprises: freezing thickness, temperature, humidity and air pressure; the position data includes spatial coordinates.
4. The method of claim 1 wherein the environmental data and the location data are carrier modulated and transmitted to the meteorological ground station using a frequency in the L-band.
5. The high-altitude atmosphere icing detection method according to claim 1, wherein the high-altitude atmosphere icing probability is calculated according to the environment data and the position data, and the calculation formula is as follows:
P＝H*Pr*Te，
wherein; te is temperature, 1 is taken when Te is less than 0.4 ℃, 0 is taken for others, and Pr is collection humidity value P1.3; the icing probability is very low when the humidity is below 70 percent; h is the altitude, the value is 1 when the altitude is more than 1300 m, and the other values are 0.3.
6. A high altitude atmosphere icing detection device, comprising:
the sounding balloon is used for carrying the environment detection assembly, the positioning assembly, the carrier modulation module and the transmitter to lift off;
the environment detection component is used for acquiring environment data;
the positioning assembly is used for acquiring position data;
the carrier modulation module is used for carrying out carrier modulation on the environment data and the position data to obtain a carrier modulation signal;
the transmitter is used for transmitting the carrier modulation signal to a meteorological ground station;
and the meteorological ground station is used for demodulating and decomposing the received carrier modulation signal to obtain the environmental data and the position data, and calculating the probability and the thickness of the high-altitude atmosphere ice accretion according to the environmental data and the position data.
7. The high altitude atmosphere icing detection apparatus of claim 6, wherein the environment detection assembly comprises: an ice accretion monitoring sensor, a humidity sensor, a temperature sensor and an atmospheric pressure sensor; the positioning assembly comprises a Beidou positioning chip or a GPS positioning chip.
8. The high altitude atmosphere icing detection apparatus of claim 6 wherein the transmitter transmits the carrier modulated signal to a weather ground station using L-band frequencies, the weather ground station receiving the carrier modulated signal via a radio theodolite or radar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110842936.9A CN114265125A (en) | 2021-07-26 | 2021-07-26 | High-altitude atmosphere ice accumulation detection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110842936.9A CN114265125A (en) | 2021-07-26 | 2021-07-26 | High-altitude atmosphere ice accumulation detection method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114265125A true CN114265125A (en) | 2022-04-01 |
Family
ID=80824610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110842936.9A Pending CN114265125A (en) | 2021-07-26 | 2021-07-26 | High-altitude atmosphere ice accumulation detection method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114265125A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107016819A (en) * | 2017-06-05 | 2017-08-04 | 中国民航大学 | A kind of airfield pavement accumulated ice early warning system and its method for early warning |
| CN108710161A (en) * | 2018-04-20 | 2018-10-26 | 中国气象局气象探测中心 | A kind of aerial exploration and method |
| WO2020053785A1 (en) * | 2018-09-11 | 2020-03-19 | Satavia Ltd | System and method for aircraft flight control |
| CN211698247U (en) * | 2020-04-26 | 2020-10-16 | 西安华腾微波有限责任公司 | Detection device for ice accretion area in air |
-
2021
- 2021-07-26 CN CN202110842936.9A patent/CN114265125A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107016819A (en) * | 2017-06-05 | 2017-08-04 | 中国民航大学 | A kind of airfield pavement accumulated ice early warning system and its method for early warning |
| CN108710161A (en) * | 2018-04-20 | 2018-10-26 | 中国气象局气象探测中心 | A kind of aerial exploration and method |
| WO2020053785A1 (en) * | 2018-09-11 | 2020-03-19 | Satavia Ltd | System and method for aircraft flight control |
| CN211698247U (en) * | 2020-04-26 | 2020-10-16 | 西安华腾微波有限责任公司 | Detection device for ice accretion area in air |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Gultepe et al. | A review of high impact weather for aviation meteorology | |
| US8210467B2 (en) | Method and apparatus for hurricane surveillance from the eye | |
| Sand et al. | Icing conditions encountered by a research aircraft | |
| US20090326792A1 (en) | Method and system for increasing the degree of autonomy of an unmanned aircraft by utilizing meteorological data received from GPS dropsondes released from an unmanned aircraft to determine course and altitude corrections and an automated data management and decision support navigational system to make these navigational calculations and to correct the unmanned aircraft's flight path | |
| CN103631250B (en) | A kind of method of elevation axis of antenna tracking accuracy being carried out to ground test | |
| US20120068863A1 (en) | Systems and Methods for Remote Detection of Volcanic Plumes Using Satellite Signals | |
| CN107677444A (en) | A kind of method for measuring icing tunnel cloud and mist uniformity | |
| Jones et al. | Recommended values of meteorological factors to be considered in the design of aircraft ice-prevention equipment | |
| CN105372722A (en) | Airspace wind field detection method and device | |
| CN205427210U (en) | Airspace wind field detection system | |
| Byers et al. | Meteorological aspects of aircraft icing | |
| Souter et al. | Summary of available hail literature and the effect of hail on aircraft in flight | |
| CN114265125A (en) | High-altitude atmosphere ice accumulation detection method and device | |
| CN115202384A (en) | Unmanned aerial vehicle flight control method and device, unmanned aerial vehicle system and storage medium | |
| CN211698247U (en) | Detection device for ice accretion area in air | |
| CN112989725A (en) | Simulation method for aircraft icing environment simulation | |
| WO2021155391A1 (en) | Environmental detection systems and methods for high altitude platforms | |
| CN115903057A (en) | Light-weight type high-altitude ice measurement sensing equipment and ice measurement method thereof | |
| CN104698510A (en) | Atmosphere thermal inversion layer detection method based on captive balloon sonde | |
| Guo et al. | Design and preliminary experiment of HALE UAV podded dropsonde system | |
| Chen et al. | Design of a Turbulence Prevention System Based on ATG | |
| CN116774319B (en) | Comprehensive meteorological guarantee system for stratospheric airship flight | |
| Lau et al. | A crescent‐shaped low‐level jet as observed by a Doppler radar | |
| Techavijit et al. | Simplified Design and Development of Radio-Tracking on Thai-Traditional Rocket (Bang Fai) With Real Case Experiments | |
| Vogel | Icing Considerations for HALE (High Altitude, Long Endurance) Aircraft |
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 |