CN101940140B - BL-1 type rocket artificial precipitation method - Google Patents
BL-1 type rocket artificial precipitation method Download PDFInfo
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- CN101940140B CN101940140B CN2010102968748A CN201010296874A CN101940140B CN 101940140 B CN101940140 B CN 101940140B CN 2010102968748 A CN2010102968748 A CN 2010102968748A CN 201010296874 A CN201010296874 A CN 201010296874A CN 101940140 B CN101940140 B CN 101940140B
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Abstract
The invention discloses an artificial precipitation method, in particular a BL-1 type rocket artificial precipitation method. Operation rockets are positioned downstream in the wind direction, and each operation rocket windward launches two rockets; the included angle of each two rockets is determined by the silver iodide concentration (10L-1) in a diffusion region; each operation elevation angle is determined by the height of the target cloud of radar echo or the height of a -5DEG C layer; and in each artificial precipitation operation, multi-cycle operations are carried out. The method has the characteristics of simple shooting method, easy mastering, less bullet consumption, largest area of silver iodide diffusion regions launching two rockets, convenient validity check after operation, and can be applied in operation command systems; and the diffusion regions with the silver iodide concentration of 10 numbers/liter are connected.
Description
(1) technical field
The present invention relates to a kind of operational method of increasing rain artificially, particularly a kind of BL-1 type rocket operational method of increasing rain artificially.
(2) background technology
Rocket influences the weather operation at China's ground artificial characteristics such as light, easy to operate, that the user of service is few, and the operation rocket pod of increasing rain artificially of China various places in 2008 has reached 5748 tools.One of the key of job success of increasing rain artificially is the design of science that operational method is carried out.Because rocket projectile is sowed silver iodide in flight course, the catalysis route difference of different launching elevation rocket projectiles, the simulation by to BL-1 type rocket catalysis concentration and zone obtains desirable rocket operation method.Adopt this method, can launch less rocket projectile, obtain maximum influence area.For emission of computer control rocket projectile and the artificial emission parameter of grasping provide theoretical foundation.
(3) summary of the invention
The present invention is in order to remedy the increase rain artificially deficiency of operation technique of existing rocket, a kind of BL-1 type rocket reasonable in design operational method of increasing rain artificially is provided, this method is according to cold cloud rocket catalyzer line source diffusion equation, numerical simulation is carried out in the diffusion region that rocket projectile forms, the rocket projectile that operation is used is minimum, join together in two pieces of certain density diffusion regions of rocket projectile, operation effectiveness the best is convenient to calculator commander operation.
The present invention is achieved through the following technical solutions:
A kind of BL-1 type rocket operational method of increasing rain artificially, it is characterized in that: payload-release point is positioned at the downstream of wind direction, respectively launches one piece of rocket in the line both sides of payload-release point and wind direction, and two pieces of rockets equate with the angle of this line; The emission angle is 10L according to each piece rocket projectile silver iodide diffusion back concentration
-1The diffusion region imagination that can be connected draw through numerical simulation calculation; The corresponding different rocket launching elevation angle and different turbulent diffusivity K values, the angle of two pieces of rocket launching is as shown in table 1:
Table 1 rocket launching angle list position: degree
The BL-1 type rocket of the present invention operational method of increasing rain artificially, with the height of radar return target cloud or-5 ℃ of layers as operation height, get and sow beginning height and sow 1/2nd of maximum height and oppose and answer operation height, the corresponding relation at operation height and the operation elevation angle is definite by table 2:
Table 2 elevation angle and operation height correspondence table
The BL-1 type rocket of the present invention operational method of increasing rain artificially if the spatial domain time is 3-5 minute, is then carried out the two-wheeled operation; If the spatial domain time less than 3 minutes, then carries out taking turns operation; Finish many wheel job tasks with the mode of repeatedly applying for the operation spatial domain.
The present invention has following characteristics:
(1) gunnery technique is easy, easily grasps;
(2) few with the bullet amount, silver iodide concentration is that 10 every liter diffusion region links to each other;
(3) the silver iodide diffusion region area maximum of emission two ignition arrows;
(4) be convenient to validity check after the operation;
(5) be convenient in the operation command system, use.
(4) description of drawings
Accompanying drawing is a kind of specific embodiment of the present invention.
Fig. 1 is a rocket-firing course schematic diagram of the present invention;
Fig. 2 is a rocket catalytic domain simulation drawing of the present invention.
(5) concrete enforcement
The rocket of the present invention operational method of increasing rain artificially, adopt following gunnery technique:
1. launch azimuth
Payload-release point is positioned at the downstream of wind direction, respectively launches one piece of rocket in the line both sides of payload-release point and wind direction, and two pieces of rockets equate with the angle of this line, as accompanying drawing 1 (angle a1=a2 among the figure).The launching elevation difference, the angle difference of corresponding two pieces of rocket projectiles.
2. emission angle
The emission angle is 10L according to each piece rocket projectile silver iodide diffusion back concentration
-1The diffusion region imagination that can be connected draw through numerical simulation.The corresponding different rocket launching elevation angle and different turbulent diffusivity K values, the angle of two pieces of rocket launching is as shown in table 1:
Table 1 rocket launching angle list position: degree
3. firing altitude
As operation height, the arrow of getting fire is sowed the beginning height and is sowed 1/2nd corresponding operation heights of maximum height with the height of radar return target cloud level degree or-5 ℃ of layers, and the corresponding relation at operation height and the operation elevation angle is definite by table 2.
Table 2 elevation angle and operation height correspondence table
4. the region area of rocket projectile catalysis
One piece of rocket projectile is synthetic by two kinds of motions as its silver iodide distribution of particles of line source burning back.It promptly under the effect of turbulent flow to around diffusion, form a linear cylinder diffusion zone in the space; It again under the conveying of surroundings wind field box haul leeward side move.Definition silver iodide concentration is that the diffusion region of every liter of 10 particles is the rocket zone of influence, and then this concentration is the zone of rocket catalysis.Fig. 2 is turbulent diffusivity k=40m
2s
-1, ambient wind velocity is 20m/s, and the elevation angle is 60 °, and rocket catalysis is the simulation drawing in zone excessively.The zone of rocket catalysis is 986 square kilometres among the figure.
Table 3 provides the numerical value of different launching elevations, different turbulent diffusivity, wind speed and rocket zone of influence area.
Table 3 elevation angle, turbulent diffusivity, wind speed and the zone of influence area table of comparisons (unit: km
2)
The bullet method of sending out among the present invention is as shown in Figure 1: payload-release point is positioned at the downstream of wind direction, and the angle of two pieces of rocket projectiles has table 1 to determine.The launching elevation difference, corresponding angle difference.The maximum angle of two pieces of rocket launching is 180 degree.Minimum angle 22 degree.
Operation height among the present invention is determined operation height according to the height of radar return target cloud level degree or-5 ℃ of layers, and the Dui Ying operation elevation angle is determined by table 2 with it.
Two-wheeled activity duration interval among the present invention:, then carry out the two-wheeled operation if the spatial domain time is 3-5 minute.If the spatial domain time less than 3 minutes, then carries out taking turns operation.Finish many wheel job tasks with the mode of repeatedly applying for the operation spatial domain.
Many wheel operational methods are implemented in the present invention's operation of at every turn increasing rain artificially.
Claims (3)
1. BL-1 type rocket operational method of increasing rain artificially, it is characterized in that: payload-release point is positioned at the downstream of wind direction, respectively launches one piece of rocket in the line both sides of payload-release point and wind direction, and two pieces of rockets equate with the angle of this line; The imagination that the diffusion region that the emission angle is 10L-1 according to the back concentration of each rocket projectile silver iodide diffusion can be connected draws through numerical simulation calculation, the corresponding different rocket launching elevation angle and different turbulent diffusivity K values, and the angle of two pieces of rocket launching is as shown in table 1:
Table 1 rocket launching angle list position: degree
2. the BL-1 type rocket according to claim 1 operational method of increasing rain artificially, it is characterized in that: with the height of radar return target cloud or-5 ℃ of layers as operation height, get and sow the beginning height and sow 1/2nd corresponding operation heights of maximum height, the corresponding relation at the operation height and the operation elevation angle is determined by table 2:
Table 2 elevation angle and operation height correspondence table
3. the BL-1 type rocket according to claim 1 and 2 operational method of increasing rain artificially is characterized in that: if the spatial domain time is 3-5 minute, then carry out the two-wheeled operation; If the spatial domain time less than 3 minutes, then carries out taking turns operation; Finish many wheel job tasks with the mode of repeatedly applying for the operation spatial domain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102968748A CN101940140B (en) | 2010-09-29 | 2010-09-29 | BL-1 type rocket artificial precipitation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102968748A CN101940140B (en) | 2010-09-29 | 2010-09-29 | BL-1 type rocket artificial precipitation method |
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| Publication Number | Publication Date |
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| CN101940140A CN101940140A (en) | 2011-01-12 |
| CN101940140B true CN101940140B (en) | 2011-10-19 |
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| CN2010102968748A Expired - Fee Related CN101940140B (en) | 2010-09-29 | 2010-09-29 | BL-1 type rocket artificial precipitation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422351A (en) * | 2013-09-10 | 2015-03-18 | 中国兵器科学研究院 | Figure rocket and figure artillery cooperative control system based on radar information |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101473766B (en) * | 2009-01-21 | 2010-12-01 | 山东省气象科学研究所 | Antiaircraft gun artificial rain-increasing multi-round working method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422351A (en) * | 2013-09-10 | 2015-03-18 | 中国兵器科学研究院 | Figure rocket and figure artillery cooperative control system based on radar information |
| CN104422351B (en) * | 2013-09-10 | 2016-09-28 | 中国兵器科学研究院 | A kind of shadow rocket based on radar information and figure antiaircraft gun cooperative control system |
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| CN101940140A (en) | 2011-01-12 |
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Granted publication date: 20111019 Termination date: 20120929 |