CN114047114B - Outdoor portable artificial rainfall simulation device - Google Patents
Outdoor portable artificial rainfall simulation device Download PDFInfo
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- CN114047114B CN114047114B CN202111339494.2A CN202111339494A CN114047114B CN 114047114 B CN114047114 B CN 114047114B CN 202111339494 A CN202111339494 A CN 202111339494A CN 114047114 B CN114047114 B CN 114047114B
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- 238000004088 simulation Methods 0.000 title claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 238000005507 spraying Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 description 11
- 239000002689 soil Substances 0.000 description 3
- 238000012876 topography Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
- G01N3/567—Investigating resistance to wear or abrasion by submitting the specimen to the action of a fluid or of a fluidised material, e.g. cavitation, jet abrasion
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- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Special Spraying Apparatus (AREA)
- Pipeline Systems (AREA)
Abstract
The invention discloses an outdoor portable artificial rainfall simulation device, which comprises a vertical water pipe, a three-way joint and a horizontal water pipe, wherein the horizontal water pipe is connected with the vertical water pipe through the three-way joint, four branch pipes are arranged on one side of the horizontal water pipe in parallel, the lengths of a first branch pipe and a third branch pipe are the same, the lengths of a second branch pipe and a fourth branch pipe are the same, and the lengths of the first branch pipe and the third branch pipe are different from the lengths of the second branch pipe and the fourth branch pipe; each branch pipeline is provided with a valve and a spray head, the first spray head, the third spray head, the second spray head and the fourth spray head are respectively connected through connecting rods, the two connecting rods are arranged in parallel, and the two connecting rods are connected with a motor through a reciprocating rocker arm pull rod; the motor is fixed on a flat plate, and the flat plate is fixed on a horizontal water conveying pipeline. The invention is suitable for various outdoor terrains, has good rainfall uniformity and light weight, and is convenient to move, disassemble and install.
Description
Technical Field
The invention relates to an artificial rainfall device, in particular to an outdoor portable artificial rainfall simulation device.
Background
Soil erosion damages the land, engulfs farmland, aggravates flood disasters, and has serious influence on the high-quality development of ecological civilization construction. The water and soil loss monitoring is implemented, the water and soil loss conditions under various topography conditions can be accurately mastered, and the effective treatment by adopting targeted measures is important.
In order to accurately monitor the water and soil loss condition during rainfall, an artificial rainfall device is often adopted to carry out a rainfall simulation test. The conventional artificial rainfall erosion related tests in China can be generally divided into two types of field in-situ tests and indoor simulation tests, wherein the field in-situ tests account for about 40%, the indoor simulation tests account for about 60%, and most of test instruments cannot be used under field conditions. The indoor artificial rainfall simulator has the advantages of high price, large volume, heavy weight, difficult loading and unloading transportation, large influence by external factors and terrain conditions, portability, easy installation and the like compared with an outdoor portable artificial rainfall simulator.
The existing outdoor portable artificial rainfall simulation device has no adjustability of rainfall intensity; some have poor adaptability to the topography, when ground is in certain slope, the device is unstable, and shower nozzle spray angle is not adjustable, and some rainfall area is too little to reach outdoor test's requirement. The device cannot be well adapted to a complex field test environment, and irreversible error influence is caused on an artificial rainfall simulation test.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an outdoor portable artificial rainfall simulation device which has a stable structure, can adjust the spray angle of a spray head and can be better suitable for complex field test environments.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the outdoor portable artificial rainfall simulation device comprises a vertical water conveying pipeline, a three-way joint and a horizontal water conveying pipeline, wherein the horizontal water conveying pipeline is connected with the vertical water conveying pipeline through the three-way joint, four branch pipelines are arranged on one side of the horizontal water conveying pipeline in parallel, the lengths of a first branch pipeline and a third branch pipeline are the same, the lengths of a second branch pipeline and a fourth branch pipeline are the same, and the lengths of the first branch pipeline and the third branch pipeline are different from those of the second branch pipeline and the fourth branch pipeline; each branch pipeline is provided with a valve and a spray head, the first spray head, the third spray head, the second spray head and the fourth spray head are respectively connected through connecting rods, the two connecting rods are arranged in parallel, and the two connecting rods are connected with a motor through a reciprocating rocker arm pull rod; the motor is fixed on a flat plate, the flat plate is fixed on a horizontal water conveying pipeline, and a balancing device is arranged at the lower part of the vertical water conveying pipeline.
Furthermore, the spray head is an upward spray type spray head, the spray height is more than 10m, and raindrops fall at an initial speed of 0.
Further, the balancing device is a telescopic tripod.
Further, the motor is a variable frequency motor, and the swinging frequency of the water spraying device is adjusted through a speed regulator.
Further, the vertical water conveying pipeline, the three-way joint, the horizontal water conveying pipeline and the branch pipeline are all made of PVC materials.
Furthermore, the vertical water conveying pipeline is split and consists of at least two sections of pipelines, and two adjacent sections of pipelines are connected through PVC loose joint.
Furthermore, a pressure gauge and a flow meter are arranged at the water inlet of the vertical water conveying pipeline.
The invention has the advantages and beneficial effects that:
the invention discloses an outdoor portable artificial rainfall simulation device, which comprises a vertical water conveying pipeline, a three-way joint and a horizontal water conveying pipeline connected with the vertical water conveying pipeline through the three-way joint, wherein the horizontal water conveying pipeline is connected with four upper spray nozzles, the four spray nozzles are connected with a motor through connecting rods, and the spray nozzles are driven to swing left and right through the reciprocating motion of the motor. Because the horizontal water pipeline is provided with four upper spraying nozzles, the spraying height is more than 10m, and raindrops freely fall at 0 initial speed after reaching a certain height in the air, and the formed rainfall is similar to natural rainfall. The balancing device is arranged at the lower part of the vertical water conveying pipeline, and is composed of a telescopic tripod, so that the device is more stable by adjusting the angle and the height of the tripod, the slope angle and the spray angle of the spray head can be adjusted at will according to the terrain, and the device is suitable for various outdoor terrains. A variable frequency motor is arranged on a flat plate above the horizontal water conveying pipeline, the motor pushes a connecting rod to drive a spray head to reciprocate, the rainfall uniformity is improved, and the diameter of raindrops can be changed through different swing frequencies. The spray heads are arranged in a quadrilateral mode, so that the effective rainfall range is enlarged. Because the vertical water conveying pipeline, the three-way joint and the horizontal water conveying pipeline are all mainly made of PVC pipes, the PVC pipe is economical in price, light in weight, convenient to carry, strong in operability and convenient to move and disassemble and install. Compared with the similar equipment, the energy consumption is greatly reduced.
Drawings
The invention is further described in detail below with reference to the attached drawing figures:
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
fig. 3 is a top view of the present invention.
In the figure: the device comprises a vertical water conveying pipeline 1, a three-way joint 2, a horizontal water conveying pipeline 3, a valve 4, a spray head 5, a connecting rod 6, a motor 7, a flat plate 8, a PVC loose joint 9, a telescopic tripod 10, a pressure gauge 11, an elbow 12, a flowmeter 13, a reciprocating rocker arm pull rod 14, a cross rod 15, a short vertical pipe 16, a branch pipeline 31, a branch pipeline 32, a branch pipeline 33 and a branch pipeline 34.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention more clear, the following detailed description will be given with reference to the accompanying drawings and specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
as shown in fig. 1 and 3, the outdoor portable artificial rainfall simulation device comprises a vertical water conveying pipeline 1, a three-way joint 2 and a horizontal water conveying pipeline 3, wherein the horizontal water conveying pipeline 3 is connected with the vertical water conveying pipeline 1 through the three-way joint 2, one side of the horizontal water conveying pipeline 3 is connected with four branch pipelines 31, 32, 33 and 34, and two branch pipelines 31 and 34 at two ends are respectively connected with two ends of the horizontal water conveying pipeline 3 through an elbow 12; the two branch pipes 32 and 33 positioned in the middle are respectively connected with the middle part of the horizontal water conveying pipe 3 through a three-way pipe; the branch duct 31 has the same length as the branch duct 33, the branch duct 32 has the same length as the branch duct 34, and the lengths of the branch ducts 31, 33 are longer than the lengths of the branch ducts 32, 34. Each branch pipe is provided with a valve 4 and a spray head 5. The spray head and the valve are both provided with internal threads, and the spray head and the valve are connected by threads. The four spray heads form a parallelogram. The spray head is a common irrigation spray head, and the tail part of the spray head is provided with a movable shaft, so that the spray head can rotate 360 degrees under the action of water pressure. The spray head is fixed on the branch pipeline and the spray nozzle is upwards, namely the upper spray type spray head, the spray height is more than 10m, and raindrops fall at an initial speed of 0. The tops of the first spray heads 5 and the third spray heads 5 are connected to two ends of one connecting rod 6, the tops of the second spray heads 5 and the fourth spray heads 5 are connected to two ends of the other connecting rod 6, the two connecting rods 6 are arranged in parallel, the two connecting rods are connected through a cross rod 15, and the cross rod 15 is connected with the motor 7 through a reciprocating rocker arm pull rod 14; by utilizing the rotatability of the spray head 5, when the motor rotates, the connecting rod 6 is pushed by the reciprocating rocker pull rod 14 connected with the motor to do transverse reciprocating motion through the cross rod 15, so that the spray head connected with the connecting rod is driven to do transverse reciprocating swing, and the water flow sprayed by the spray head swings in a sector-shaped reciprocating mode. The motor 7 is arranged on a motor fixing support, the motor fixing support is fixed on the flat plate 8 through bolts, the flat plate 8 is positioned between the connecting rod 6 and the branch pipeline, and the lower surface of the flat plate 8 is fixed on the horizontal water conveying pipeline 3, the branch pipeline 31 and the branch pipeline 33 through supporting devices. The length of the flat plate covers the horizontal water conveying pipeline, and the width is the distance from the horizontal water conveying pipeline 3 to the reciprocating rocker arm pull rod 14. The motor 7 is a variable frequency motor, and the swing frequency of the spray head is adjusted through a speed regulator. The vertical water conveying pipeline 1, the three-way joint 2, the horizontal water conveying pipeline 3, the branch pipeline, the elbow 12 and the short vertical pipe 16 are all made of PVC materials.
The vertical water delivery pipe 1 is provided with a telescopic tripod 10 as a supporting system, the aperture of the telescopic tripod head is consistent with that of the vertical water delivery pipe, and the vertical water delivery pipe is inserted into the aperture of the telescopic tripod head and fixed by glue. According to local topography conditions, the whole inclination degree of the device and the angle of the spray head are changed to a proper position by adjusting the angles of the three supporting legs of the telescopic tripod and the ground and the lengths of the three telescopic supporting legs, and then the telescopic tripod is locked by using the clamping nails on the supporting legs, so that the purposes of adjusting the slope angle of the device and the ground and the spray angle of the spray head are achieved.
A pressure gauge 11 and a flow meter 13 are arranged at the water inlet of the vertical water conveying pipeline 1.
Example 2:
as shown in fig. 2, this embodiment differs from embodiment 1 only in that: the vertical water conveying pipeline 1 is split, is composed of at least two sections of pipelines, two adjacent sections of pipelines are connected through a PVC loose joint 9, and is convenient to detach, and the rest is the same as that in the embodiment 1.
Example 3:
as shown in fig. 2, the supporting device in this embodiment adopts five short vertical pipes 16, wherein two short vertical pipes are arranged below one side of the horizontal water pipe, the top ends of the two short vertical pipes are bonded on the lower surface of the flat plate 8, and the bottom ends of the two short vertical pipes are inserted into a tee joint sleeved on the horizontal water pipe 3 and fixed; the short vertical pipe is arranged corresponding to the branch pipe 31, the top end of the short vertical pipe is adhered to the lower surface of the flat plate 8, and the bottom end of the short vertical pipe is inserted into a tee sleeved on the branch pipe 31 and fixed; the other short vertical pipe is arranged corresponding to the branch pipe 33, the top end of the short vertical pipe is adhered to the lower surface of the flat plate 8, and the bottom end of the short vertical pipe is inserted into a tee sleeved on the branch pipe 33 and fixed; the last short vertical pipe is arranged corresponding to the region where the motor is located, the top end of the short vertical pipe is adhered to the lower surface of the flat plate 8 in the region where the motor is located, and the bottom end of the short vertical pipe is adhered and fixed on the pipe wall of the third spray head. The upper ends of the five short vertical pipes are closed without water, and the rest is the same as in the embodiment 1.
The working principle of the outdoor portable artificial rainfall simulation device is as follows:
the telescopic tripod 10 is fixed, the spray elevation angle and the spray distance of the spray head are determined, the variable frequency motor 7 is turned on by switching on the power supply, and the motor 7 drives the spray head 5 to reciprocate in a certain swing range through the connecting rod 6, so that raindrops with different forms are formed under the action of air resistance when high-pressure water columns emitted to the air fall, and the raindrops are similar to natural rainfall characteristics. In the rainfall process, the rainfall parameters, the raindrop characteristics and the rainfall areas can be changed by changing the combination mode of the spray heads, the number of the spray heads, the frequency of the variable-frequency motor, the diameter of the motor camshaft and the elevation angle of the spray heads.
While the preferred embodiments of the present invention have been described above, those skilled in the art may make various modifications and additions to the specific embodiments described above, and such modifications and additions should also be considered as being within the scope of the present invention.
Claims (6)
1. Outdoor portable artificial rainfall simulation device, its characterized in that: the three-way joint comprises a vertical water conveying pipeline (1), a three-way joint (2) and a horizontal water conveying pipeline (3), wherein the horizontal water conveying pipeline (3) is connected with the vertical water conveying pipeline through the three-way joint (2), four branch pipelines are arranged on one side of the horizontal water conveying pipeline (3) in parallel, the lengths of a first branch pipeline and a third branch pipeline are the same, the lengths of a second branch pipeline and a fourth branch pipeline are the same, and the lengths of the first branch pipeline and the third branch pipeline are different from the lengths of the second branch pipeline and the fourth branch pipeline; each branch pipeline is provided with a valve (4) and a spray head (5), the first spray head, the third spray head, the second spray head and the fourth spray head are respectively connected through connecting rods (6), the two connecting rods are arranged in parallel, the two connecting rods are connected through a cross rod (15), and the cross rod (15) is connected with a motor (7) through a reciprocating rocker arm pull rod (14); by utilizing the rotatability of the spray head (5), when the motor rotates, the reciprocating rocker arm pull rod (14) connected with the motor pushes the connecting rod (6) to do transverse reciprocating motion through the cross rod (15), so as to drive the spray head connected with the connecting rod to do transverse reciprocating swing, and the water flow sprayed by the spray head swings in a sector shape in a reciprocating manner; the motor (7) is fixed on the flat plate (8), the flat plate (8) is fixed on the horizontal water conveying pipeline (3), and the balancing device is arranged at the lower part of the vertical water conveying pipeline (1); the spray head (5) is an upper spray type spray head, the motor (7) is a variable frequency motor, and the swing frequency of the spray head is regulated through a speed regulator.
2. The portable artificial rainfall simulation device according to claim 1, wherein: the spraying height of the upper spraying type spray head is more than 10m, and raindrops fall at an initial speed of 0.
3. The portable artificial rainfall simulation device according to claim 1, wherein: the balancing device is a telescopic tripod (10).
4. The portable artificial rainfall simulation device according to claim 1, wherein: the vertical water conveying pipeline (1), the three-way joint (2), the horizontal water conveying pipeline (3) and the branch pipeline are all made of PVC materials.
5. The portable artificial rainfall simulation device according to claim 1, wherein: the vertical water conveying pipeline (1) is split and consists of at least two sections of pipelines, and two adjacent sections of pipelines are connected through a PVC loose joint (9).
6. The portable artificial rainfall simulation device according to claim 1, wherein: a pressure gauge (11) and a flow meter (13) are arranged at the water inlet of the vertical water conveying pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339494.2A CN114047114B (en) | 2021-11-12 | 2021-11-12 | Outdoor portable artificial rainfall simulation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339494.2A CN114047114B (en) | 2021-11-12 | 2021-11-12 | Outdoor portable artificial rainfall simulation device |
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| CN114047114A CN114047114A (en) | 2022-02-15 |
| CN114047114B true CN114047114B (en) | 2023-11-03 |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2137353C1 (en) * | 1998-06-29 | 1999-09-20 | Чубиков Николай Евгеньевич | Multitower surface circle sprinkling machine |
| US6402048B1 (en) * | 2000-01-26 | 2002-06-11 | Galen Collins | Accurate horticultural sprinkler system and sprinkler head |
| CN1493854A (en) * | 2003-09-11 | 2004-05-05 | 中国科学院力学研究所 | Portable rainfall imitation device |
| CN202587987U (en) * | 2012-03-05 | 2012-12-12 | 范颖芳 | Artificial rain-making simulating device |
| CN103691594A (en) * | 2013-12-19 | 2014-04-02 | 中国科学院亚热带农业生态研究所 | Liftable and portable rainfall simulator suitable for high-heterogeneity karst slope |
| CN204302278U (en) * | 2015-01-07 | 2015-04-29 | 沈阳农业大学 | Rocking arm upper-spraying type rainfall simulator |
| CN107214011A (en) * | 2017-07-19 | 2017-09-29 | 山东农业大学 | Field dynamics change analogue simulation rainer and its application process |
| CN209314442U (en) * | 2018-09-27 | 2019-08-30 | 甘肃省地震局（中国地震局兰州地震研究所） | A kind of portable expansible complicated landform artificial rain device |
| CN110756346A (en) * | 2019-11-08 | 2020-02-07 | 西南石油大学 | System for indoor rainfall simulation |
| CN210230351U (en) * | 2019-07-08 | 2020-04-03 | 大连理工大学 | Adjustable artificial rainfall simulation system |
| CN211237275U (en) * | 2020-02-25 | 2020-08-11 | 成都理工大学 | Water storage and precipitation landslide simulation device |
| CN111781333A (en) * | 2020-07-20 | 2020-10-16 | 长江水利委员会长江科学院 | Stepless speed change-based water-saving field rainfall system and method |
| CN212596494U (en) * | 2020-05-25 | 2021-02-26 | 南京林业大学 | Three-dimensional rotating spraying device for artificial rainfall simulation |
| CN213148925U (en) * | 2020-09-22 | 2021-05-07 | 南京林业大学 | Portable artificial rainfall simulation device |
| KR102302420B1 (en) * | 2021-02-23 | 2021-09-14 | 이천주 | Apparatus for testing artificial rainfall |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723334B (en) * | 2015-04-02 | 2016-10-19 | 苏州神运机器人有限公司 | A kind of double-shaft two-way parallel track robot |
-
2021
- 2021-11-12 CN CN202111339494.2A patent/CN114047114B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2137353C1 (en) * | 1998-06-29 | 1999-09-20 | Чубиков Николай Евгеньевич | Multitower surface circle sprinkling machine |
| US6402048B1 (en) * | 2000-01-26 | 2002-06-11 | Galen Collins | Accurate horticultural sprinkler system and sprinkler head |
| CN1493854A (en) * | 2003-09-11 | 2004-05-05 | 中国科学院力学研究所 | Portable rainfall imitation device |
| CN202587987U (en) * | 2012-03-05 | 2012-12-12 | 范颖芳 | Artificial rain-making simulating device |
| CN103691594A (en) * | 2013-12-19 | 2014-04-02 | 中国科学院亚热带农业生态研究所 | Liftable and portable rainfall simulator suitable for high-heterogeneity karst slope |
| CN204302278U (en) * | 2015-01-07 | 2015-04-29 | 沈阳农业大学 | Rocking arm upper-spraying type rainfall simulator |
| CN107214011A (en) * | 2017-07-19 | 2017-09-29 | 山东农业大学 | Field dynamics change analogue simulation rainer and its application process |
| CN209314442U (en) * | 2018-09-27 | 2019-08-30 | 甘肃省地震局（中国地震局兰州地震研究所） | A kind of portable expansible complicated landform artificial rain device |
| CN210230351U (en) * | 2019-07-08 | 2020-04-03 | 大连理工大学 | Adjustable artificial rainfall simulation system |
| CN110756346A (en) * | 2019-11-08 | 2020-02-07 | 西南石油大学 | System for indoor rainfall simulation |
| CN211237275U (en) * | 2020-02-25 | 2020-08-11 | 成都理工大学 | Water storage and precipitation landslide simulation device |
| CN212596494U (en) * | 2020-05-25 | 2021-02-26 | 南京林业大学 | Three-dimensional rotating spraying device for artificial rainfall simulation |
| CN111781333A (en) * | 2020-07-20 | 2020-10-16 | 长江水利委员会长江科学院 | Stepless speed change-based water-saving field rainfall system and method |
| CN213148925U (en) * | 2020-09-22 | 2021-05-07 | 南京林业大学 | Portable artificial rainfall simulation device |
| KR102302420B1 (en) * | 2021-02-23 | 2021-09-14 | 이천주 | Apparatus for testing artificial rainfall |
Non-Patent Citations (2)
| Title |
|---|
| 一种新型人工模拟降雨实验装置的研制;郑宏伟,李平康;实验技术与管理(第04期);全文 * |
| 便携式人工模拟降雨装置的设计与率定;倪际梁;何进;李洪文;王松;路战远;卿潇潇;乔晓东;李慧;;农业工程学报(第24期);全文 * |
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