CN116776453A - High-temperature wind tunnel equipment body layout method - Google Patents
High-temperature wind tunnel equipment body layout method Download PDFInfo
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- CN116776453A CN116776453A CN202311076000.5A CN202311076000A CN116776453A CN 116776453 A CN116776453 A CN 116776453A CN 202311076000 A CN202311076000 A CN 202311076000A CN 116776453 A CN116776453 A CN 116776453A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 138
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 68
- 238000012360 testing method Methods 0.000 claims abstract description 59
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000000446 fuel Substances 0.000 claims abstract description 51
- 238000013461 design Methods 0.000 claims abstract description 42
- 239000000498 cooling water Substances 0.000 claims abstract description 41
- 239000007921 spray Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- 238000002485 combustion reaction Methods 0.000 claims description 10
- 239000008213 purified water Substances 0.000 claims description 9
- 239000008399 tap water Substances 0.000 claims description 9
- 235000020679 tap water Nutrition 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 6
- 239000003570 air Substances 0.000 abstract description 32
- 238000010276 construction Methods 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000008029 eradication Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/28—Design optimisation, verification or simulation using fluid dynamics, e.g. using Navier-Stokes equations or computational fluid dynamics [CFD]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/08—Fluids
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/14—Pipes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/08—Thermal analysis or thermal optimisation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
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Abstract
The invention belongs to the field of large wind tunnel equipment construction, and discloses a high-temperature wind tunnel equipment body layout method. The high-temperature wind tunnel equipment body layout method comprises the steps of carrying out high-temperature wind tunnel overall layout design, carrying out liquid oxygen pipeline design, carrying out fuel pipeline design, carrying out air pipeline design, carrying out nitrogen pipeline design and carrying out cooling water pipeline design. The layout method of the high-temperature wind tunnel equipment body can realize the layout of the equipment bodies such as the heater, the spray pipe and the like of the test wind tunnel branch and the air, nitrogen, liquid oxygen, fuel and cooling water supply pipelines attached to the equipment bodies, meets the use requirements, and has engineering practicability.
Description
Technical Field
The invention belongs to the field of large wind tunnel equipment construction, and particularly relates to a high-temperature wind tunnel equipment body layout method.
Background
The high-temperature wind tunnel has Mach number and temperature simulation capability, and the simulation capability is close to real flight conditions. The high-temperature wind tunnel is an important basic device in the field of aerodynamics, and is mainly used for carrying out aircraft engine tests, body/propulsion integrated aircraft tests and aerospace aircraft large-size component thermal structure tests.
Due to historical reasons such as development process, many wind tunnels, in particular to high-temperature wind tunnels such as large combustion wind tunnels which relate to high-pressure, low-temperature, inflammable and explosive mediums and need long-time operation, the wind tunnel layout is insufficient in initially planning reserved space, and cannot adapt to new development requirements. Therefore, defects are increasingly obvious in the processes of long-time operation, new function introduction and hidden trouble investigation of the high-temperature wind tunnel, and the method is specifically shown as follows:
a. the existing equipment is crowded in layout, complicated in use and operation and bad in working environment;
b. the wind tunnel has limited operation capability and insufficient expansion potential;
c. the potential safety hazard is outstanding, the maintenance is difficult, and the eradication can not be realized.
Currently, development of a high-temperature wind tunnel equipment body layout method is needed.
Disclosure of Invention
The invention aims to provide a layout method of a high-temperature wind tunnel equipment body, which is used for overcoming the defects of the prior art.
The invention discloses a layout method of a high-temperature wind tunnel equipment body, which comprises the following steps:
s10, carrying out overall layout design of a high-temperature wind tunnel;
s20, designing a liquid oxygen pipeline;
s30, designing a fuel pipeline;
s40, designing an air pipeline;
s50, designing a nitrogen pipeline;
s60, designing a cooling water pipeline.
Further, the overall layout design of the high-temperature wind tunnel in S10 is as follows:
dividing the high-temperature wind tunnel into a factory building area and a vacuum area according to the airflow direction from front to back, wherein the factory building area is divided into a pressure area and a branch area, and an explosion-proof wall is arranged between the pressure area and the branch area;
from top to bottom, the factory building is divided into a second floor, a first floor and a basement; a liquid oxygen high-pressure tank and a fuel high-pressure tank are arranged in the second floor of the pressure zone, and the distance between the liquid oxygen high-pressure tank and the fuel high-pressure tank meets the requirement of a safe distance; a first floor of the pressure zone is provided with a nitrogen gas distribution room I, an air distribution room and a nitrogen gas distribution room II; a plurality of test wind tunnel branches are arranged in a second floor of the branch region, each test wind tunnel branch comprises a heater, a spray pipe, a test section and a diffusion section which are sequentially connected from front to back, and the rear end of the diffusion section is sequentially connected with a vacuum spherical tank and a vacuum pump of the vacuum region; a water inlet water storage pipe and a water outlet water storage pipe matched with each test wind tunnel branch are arranged in a first floor of the branch region; a water pump and a cooling water tank are arranged in the basement of the branch region;
the air storage tank, the nitrogen storage tank and the fuel storage tank are located in a ground tank area outside the factory building area.
Further, the liquid oxygen pipeline design of S20 is specifically as follows:
the liquid oxygen pipeline enters a first building of a pressure area of the factory building through an aerial corridor and is vertically communicated with a liquid oxygen high-pressure tank of a second building of the pressure area, and the liquid oxygen high-pressure tank is higher than a test wind tunnel branch; during test preparation, liquid oxygen is filled into the liquid oxygen high-pressure tank by utilizing self-pressurization characteristic, the liquid oxygen enters the heater after being pressurized by nitrogen, and an air-oxygen mixture is formed after the liquid oxygen and air are uniformly mixed in the heater, and the air-oxygen mixture participates in combustion reaction.
Further, the fuel pipeline design of S30 is specifically as follows:
the fuel pipeline adopts a buried design and is positioned in a basement of the pressure area; during test preparation, under the action of a booster pump, fuel in the fuel storage tank enters the first floor of the pressure zone through a fuel pipeline, then vertically upwards reaches the fuel high-pressure tank of the second floor of the pressure zone for filling, after filling, nitrogen is used for boosting and enters a heater, and a fuel and air-oxygen mixture participates in a combustion reaction in the heater.
Further, the air pipeline design of S40 is specifically as follows:
the air pipeline is in buried design and is positioned in a basement of the pressure area; during test preparation, under the action of a booster pump, air in the air storage tank enters an air distribution room of the first floor of the pressure area through an air pipeline, then passes through an explosion-proof wall, enters a branch area, reaches the lower part of a branch inlet of a test wind tunnel through the air pipeline with the height of 3.5 meters from the ground of the first floor, then vertically upwards enters a heater, and forms an air-oxygen mixture after being uniformly mixed with liquid oxygen, wherein the air-oxygen mixture participates in combustion reaction.
Further, the nitrogen pipeline design of S50 is specifically as follows:
the nitrogen pipeline adopts a buried design and is positioned in a basement of the pressure area; during test preparation, under the action of a booster pump, nitrogen in a nitrogen storage tank respectively enters a nitrogen distribution room I and a nitrogen distribution room II through two nitrogen pipelines, nitrogen with different pressure requirements is configured between the nitrogen distribution room I and the nitrogen distribution room II, nitrogen meeting the boosting requirement of a liquid oxygen high-pressure tank is upwards introduced into the liquid oxygen high-pressure tank, nitrogen meeting the boosting requirement of a fuel high-pressure tank is upwards introduced into the fuel high-pressure tank, the rest of nitrogen passes through an explosion-proof wall and enters a branch area, and branches are used for valve control gas, fire control gas and temporary gas through the nitrogen pipelines with the height of more than 3.5 meters from the first floor.
Further, the design of the cooling water pipeline of S60 is as follows:
the cooling water pump and the cooling water tank are designed in a buried mode and are positioned in a basement of the branch region; according to the requirements of each test wind tunnel branch, cooling tap water and purified water, which are respectively positioned in a tap water tank and a purified water tank, wherein the tap water tank is provided with a low-pressure pump with the pressurizing pressure being more than or equal to 1MPa, and the purified water tank is provided with a high-pressure pump with the pressurizing pressure being more than or equal to 5 MPa;
after being pressurized by a corresponding cooling water pump, cooling water in the cooling water tank reaches the position right below a corresponding test wind tunnel branch through a cooling water inlet pipeline arranged under the ground, then vertically upwards enters a corresponding water inlet and storage pipeline, reaches a designated cooling part from one side of the test wind tunnel branch, leaves from the other side of the test wind tunnel branch after cooling of the cooling part is completed, enters a water outlet and storage pipeline, finally vertically downwards returns to the corresponding cooling water tank through a cooling water outlet pipeline arranged under the ground.
Furthermore, the heater and the spray pipes in the test wind tunnel branch are in a modularized design, and each spray pipe is provided with a plurality of throat sections for replacement.
According to the layout method of the high-temperature wind tunnel equipment body, the matched supply pipelines such as liquid oxygen, air, fuel, nitrogen and cooling water are spatially three-dimensional net-shaped around the test wind tunnel branch from the aspects of safety and scientificity. In branch region first floor, cooling water pipeline, air pipeline, nitrogen pipeline layering arrangement, owing to nitrogen use point position is numerous (control gas, fire control gas and interim gas) and uses, and the subdivision pipeline is more complicated, arranges nitrogen pipeline in highest department (highly is greater than 3.5 meters) and is favorable to reducing the pipeline complexity, has realized branch region first floor space's make full use of, has compact structure, maintains convenient advantage. In the second floor of the branch area, liquid oxygen and fuel flow from the respective liquid oxygen high-pressure tank and fuel high-pressure tank to the heater, so that the liquid fuel can be completely filled in the pipeline, the problems of air inclusion and the like caused by improper structural layout design are solved as much as possible, and the liquid oxygen pipeline and the fuel pipeline are arranged along the wall of the second floor of the branch area, so that the layout is ensured to be concise and compact. The three-dimensional net-shaped pipeline can ensure reasonable and safe layout of the pipeline in the existing site, and a development space is reserved for later-stage equipment development.
According to the high-temperature wind tunnel equipment body layout method, according to the supply capacity of the existing tank field, test wind tunnel branches are built in a main factory building, meanwhile, a plurality of side-by-side test wind tunnel branch building spaces are reserved, and enough space is reserved for gradually building a high-temperature wind tunnel test capacity system meeting the requirements of aircraft ground demonstration tests; and meanwhile, by means of the net-shaped layered layout of the supply pipelines, the patterns of shared air, nitrogen, cooling water, fuel, liquid oxygen and vacuum exhaust are formed.
The heater and the spray pipe thereof in the layout method of the high-temperature wind tunnel equipment body adopt a modularized design, so that the maintenance is convenient and the replacement cost is low; the single test wind tunnel branch can cover a wider Mach number range by replacing the throat section of the spray pipe, and has good economical efficiency and functionality.
According to the layout method of the high-temperature wind tunnel equipment body, according to different flow rates of branches with different spray pipe calibers, the diffuser sections of the different branches are connected with the vacuum spherical tanks in a combined mode, so that the use requirement of all test branches is met by adopting the minimum number of vacuum spherical tanks. Meanwhile, the downstream of the vacuum spherical tank is connected with a vacuum pump, so that the use requirement that the test time is not limited by the volume of the vacuum spherical tank is met.
In short, the layout method of the high-temperature wind tunnel equipment body can realize the layout of the equipment bodies such as the heater, the spray pipe and the like of the test wind tunnel branch and the air, nitrogen, liquid oxygen, fuel and cooling water supply pipelines attached to the equipment bodies, meets the use requirements, and has engineering practicability.
Drawings
FIG. 1 is a flow chart of a method of layout of a high temperature wind tunnel device body of the present invention;
FIG. 2 is a schematic view (front view) of a layout of a high-temperature wind tunnel device designed by the layout method of the high-temperature wind tunnel device body of the present invention;
fig. 3 is a schematic diagram (top view) of a layout of a high-temperature wind tunnel device designed by the layout method of the high-temperature wind tunnel device body.
In the figure, 1. Factory building area; 2. a vacuum zone;
11. a pressure zone; 12. a bypass region; 13. an explosion-proof wall;
21. a vacuum spherical tank; 22. a vacuum pump;
111. a liquid oxygen high pressure tank; 112. nitrogen distribution room I; 113. an air distribution room; 114. nitrogen distribution room II; 115. a fuel high pressure tank;
121. a heater; 122. a spray pipe; 123. a test section; 124. a diffuser section; 125. a water inlet and storage pipe; 126. a water outlet and storage pipe; 127. a cooling water pump; 128. and a cooling water tank.
Detailed Description
The invention is described in detail below with reference to the drawings and examples.
Example 1:
as shown in fig. 1, the layout method of the high-temperature wind tunnel equipment body of the invention comprises the following steps:
s10, carrying out overall layout design of a high-temperature wind tunnel;
s20, designing a liquid oxygen pipeline;
s30, designing a fuel pipeline;
s40, designing an air pipeline;
s50, designing a nitrogen pipeline;
s60, designing a cooling water pipeline.
Further, as shown in fig. 2 and 3, the overall layout design of the high-temperature wind tunnel in S10 is as follows:
according to the air flow direction, dividing a high-temperature wind tunnel into a factory building area 1 and a vacuum area 2 from front to back, wherein the factory building area 1 is divided into a pressure area 11 and a branch area 12, and an explosion-proof wall 13 is arranged between the pressure area 11 and the branch area 12;
from top to bottom, the factory building area 1 is divided into a second floor, a first floor and a basement; the second floor of the pressure zone 11 is provided with a liquid oxygen high-pressure tank 111 and a fuel high-pressure tank 115, and the distance between the liquid oxygen high-pressure tank 111 and the fuel high-pressure tank 115 meets the requirement of a safe distance; a first floor of the pressure zone 11 is provided with a nitrogen distribution room I112, an air distribution room 113 and a nitrogen distribution room II 114; a plurality of test wind tunnel branches are arranged in the second floor of the branch area 12, each test wind tunnel branch comprises a heater 121, a spray pipe 122, a test section 123 and a diffusion section 124 which are sequentially connected from front to back, and the rear end of the diffusion section 124 is sequentially connected with a vacuum spherical tank 21 and a vacuum pump 22 of the vacuum area 2; a water inlet water storage pipe 125 and a water outlet water storage pipe 126 matched with each test wind tunnel branch are arranged in the first floor of the branch region 12; the basement of the branch area 12 is provided with a water pump 127 and a cooling water tank 128;
the air storage tank, the nitrogen storage tank and the fuel storage tank are located in a ground tank area outside the factory building area 1.
Further, the liquid oxygen pipeline design of S20 is specifically as follows:
the liquid oxygen pipeline enters a first building of a pressure area 11 of the factory building area 1 through an aerial corridor, and is vertically communicated with a liquid oxygen high-pressure tank 111 of a second building of the pressure area 11 upwards, wherein the liquid oxygen high-pressure tank 111 is higher than a test wind tunnel branch; during test preparation, liquid oxygen is filled into the liquid oxygen high-pressure tank 111 by utilizing self-pressurization characteristic, the liquid oxygen enters the heater 121 after being pressurized by nitrogen, and an air-oxygen mixture is formed after the liquid oxygen and the air are uniformly mixed in the heater 121, and the air-oxygen mixture participates in combustion reaction.
Further, the fuel pipeline design of S30 is specifically as follows:
the fuel pipeline adopts a buried design and is positioned in a basement of the pressure zone 11; during test preparation, under the action of a booster pump, fuel in the fuel storage tank enters first floor of the pressure zone 11 through a fuel pipeline, then vertically upwards reaches a fuel high-pressure tank 115 of second floor of the pressure zone 11 to be filled, after filling, the fuel is pressurized through nitrogen and enters a heater 121, and in the heater 121, the fuel and air-oxygen mixture participate in combustion reaction.
Further, the air pipeline design of S40 is specifically as follows:
the air pipeline adopts a buried design and is positioned in a basement of the pressure zone 11; during test preparation, under the action of a booster pump, air in the air storage tank enters an air distribution room 113 of the first floor of the pressure area 11 through an air pipeline, then passes through an explosion-proof wall 13, enters a branch area 12, reaches below a branch inlet of a test wind tunnel through an air pipeline with a height of 3.5 meters from the first floor, then vertically upwards enters a heater 121, and an air-oxygen mixture is formed after the air and liquid oxygen are uniformly mixed, and participates in a combustion reaction.
Further, the nitrogen pipeline design of S50 is specifically as follows:
the nitrogen pipeline adopts a buried design and is positioned in a basement of the pressure zone 11; during test preparation, under the action of a booster pump, nitrogen in a nitrogen storage tank respectively enters a nitrogen distribution room I112 and a nitrogen distribution room II 114 through two nitrogen pipelines, nitrogen with different pressure requirements is configured between the nitrogen distribution room I112 and the nitrogen distribution room II 114, nitrogen meeting the boosting requirements of a liquid oxygen high-pressure tank 111 is upwards introduced into the liquid oxygen high-pressure tank 111, nitrogen meeting the boosting requirements of a fuel high-pressure tank 115 is upwards introduced into the fuel high-pressure tank 115, the rest of nitrogen passes through an explosion-proof wall 13 and enters a branch region 12, and branches are further carried out through nitrogen pipelines with a height of more than 3.5 meters from the ground of a first floor, wherein the branches are used for valve control gas, fire control gas and temporary gas.
Further, the design of the cooling water pipeline of S60 is as follows:
the cooling water pump 127 and the cooling water pool 128 are in buried design and are positioned in the basement of the branch region 12; according to the requirements of each test wind tunnel branch, cooling tap water and purified water, which are respectively positioned in a tap water tank and a purified water tank, wherein the tap water tank is provided with a low-pressure pump with the pressurizing pressure being more than or equal to 1MPa, and the purified water tank is provided with a high-pressure pump with the pressurizing pressure being more than or equal to 5 MPa;
after being pressurized by the corresponding cooling water pump 127, the cooling water in the cooling water tank 128 reaches the position right below the corresponding test wind tunnel branch through the cooling water inlet pipeline arranged under the ground, then vertically upwards enters the corresponding water inlet water storage pipeline 125, reaches the designated cooling position from one side of the test wind tunnel branch, leaves from the other side of the test wind tunnel branch after cooling of the cooling position is completed, enters the water outlet water storage pipeline 126, finally vertically downwards returns to the corresponding cooling water tank 128 through the cooling water outlet pipeline arranged under the ground.
Further, the heater 121 and the nozzles 122 in the test wind tunnel branch are both in a modular design, and each nozzle 122 is provided with a plurality of throat sections for replacement.
Although embodiments of the invention have been disclosed above, it is not limited to the use of the embodiments and descriptions, it will be apparent to those skilled in the art that all of the features disclosed in the present invention, or all of the steps in the method or process disclosed, may be combined in any combination other than mutually exclusive features and/or steps without departing from the principles of the invention. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (8)
1. The high-temperature wind tunnel equipment body layout method is characterized by comprising the following steps of:
s10, carrying out overall layout design of a high-temperature wind tunnel;
s20, designing a liquid oxygen pipeline;
s30, designing a fuel pipeline;
s40, designing an air pipeline;
s50, designing a nitrogen pipeline;
s60, designing a cooling water pipeline.
2. The method for laying out the high-temperature wind tunnel equipment body according to claim 1, wherein the overall layout design of the high-temperature wind tunnel of S10 is as follows:
according to the air flow direction, dividing a high-temperature wind tunnel into a factory building area (1) and a vacuum area (2) from front to back, wherein the factory building area (1) is divided into a pressure area (11) and a branch area (12), and an explosion-proof wall (13) is arranged between the pressure area (11) and the branch area (12);
from top to bottom, the factory building area (1) is divided into a second floor, a first floor and a basement; a liquid oxygen high-pressure tank (111) and a fuel high-pressure tank (115) are arranged in the second floor of the pressure zone (11), and the distance between the liquid oxygen high-pressure tank (111) and the fuel high-pressure tank (115) meets the requirement of a safe distance; a first floor of the pressure zone (11) is provided with a nitrogen distribution room I (112), an air distribution room (113) and a nitrogen distribution room II (114); a plurality of test wind tunnel branches are arranged in a second floor of the branch region (12), each test wind tunnel branch comprises a heater (121), a spray pipe (122), a test section (123) and a diffusion section (124) which are sequentially connected from front to back, and the rear end of the diffusion section (124) is sequentially connected with a vacuum spherical tank (21) and a vacuum pump (22) of the vacuum region (2); a first floor of the branch region (12) is provided with a water inlet water storage pipe (125) and a water outlet water storage pipe (126) which are matched with the branches of each test wind tunnel; a water pump (127) and a cooling water tank (128) are arranged in the basement of the branch region (12);
the air storage tank, the nitrogen storage tank and the fuel storage tank are positioned in a ground tank area outside the factory building area (1).
3. The method for laying out the high-temperature wind tunnel equipment body according to claim 2, wherein the liquid oxygen pipeline design of S20 is as follows:
the liquid oxygen pipeline enters a first building of a pressure area (11) of the factory building area (1) through an air corridor and is vertically communicated with a liquid oxygen high-pressure tank (111) of a second building of the pressure area (11), and the liquid oxygen high-pressure tank (111) is higher than a test wind tunnel branch; during test preparation, liquid oxygen is filled into the liquid oxygen high-pressure tank (111) by utilizing self-pressurization property, the liquid oxygen enters the heater (121) after being pressurized by nitrogen, and an air-oxygen mixture is formed after the liquid oxygen and the air are uniformly mixed in the heater (121), and the air-oxygen mixture participates in combustion reaction.
4. A method for laying out a high-temperature wind tunnel device according to claim 3, wherein the fuel pipeline design of S30 is as follows:
the fuel pipeline adopts a buried design and is positioned in a basement of the pressure zone (11); during test preparation, under the action of a booster pump, fuel in a fuel storage tank enters a first floor of a pressure zone (11) through a fuel pipeline, then a fuel high-pressure tank (115) which vertically reaches a second floor of the pressure zone (11) upwards is filled, after filling, the fuel is pressurized through nitrogen and enters a heater (121), and a combustion reaction is carried out on a fuel and air-oxygen mixture in the heater (121).
5. The method for laying out the high-temperature wind tunnel equipment body according to claim 4, wherein the air pipeline design of S40 is as follows:
the air pipeline is in buried design and is positioned in a basement of the pressure area (11); during test preparation, under the action of a booster pump, air in an air storage tank enters an air distribution room (113) of a first floor of a pressure area (11) through an air pipeline, then passes through an explosion-proof wall (13), enters a branch area (12), reaches the lower part of a branch inlet of a test wind tunnel through an air pipeline with the height of 3.5 meters from the first floor, then vertically upwards enters a heater (121), and an air-oxygen mixture is formed after the air and liquid oxygen are uniformly mixed, and participates in combustion reaction.
6. The method for laying out the high-temperature wind tunnel equipment body according to claim 5, wherein the nitrogen pipeline design of S50 is as follows:
the nitrogen pipeline adopts a buried design and is positioned in a basement of the pressure area (11); during test preparation, under the action of a booster pump, nitrogen in a nitrogen storage tank respectively enters a nitrogen distribution room I (112) and a nitrogen distribution room II (114) through two nitrogen pipelines, nitrogen with different pressure requirements is configured between the nitrogen distribution room I (112) and the nitrogen distribution room II (114), nitrogen meeting the pressurizing requirements of a liquid oxygen high-pressure tank (111) is upwards introduced into the liquid oxygen high-pressure tank (111), nitrogen meeting the pressurizing requirements of a fuel high-pressure tank (115) is upwards introduced into the fuel high-pressure tank (115), the rest of nitrogen passes through an explosion-proof wall (13) and enters a branch region (12), and branches are formed through the nitrogen pipelines with the height of more than 3.5 m from the first floor, wherein each branch is used for valve control gas, fire control gas and temporary gas.
7. The method for laying out the high-temperature wind tunnel equipment body according to claim 6, wherein the cooling water pipeline of S60 is designed as follows:
the cooling water pump (127) and the cooling water tank (128) are in buried design and are positioned in a basement of the branch region (12); according to the requirements of each test wind tunnel branch, cooling tap water and purified water, which are respectively positioned in a tap water tank and a purified water tank, wherein the tap water tank is provided with a low-pressure pump with the pressurizing pressure being more than or equal to 1MPa, and the purified water tank is provided with a high-pressure pump with the pressurizing pressure being more than or equal to 5 MPa;
after being pressurized by a corresponding cooling water pump (127), cooling water in the cooling water tank (128) reaches the position right below a corresponding test wind tunnel branch through a cooling water inlet pipeline arranged under the ground, then vertically upwards enters a corresponding water inlet water storage pipe (125), reaches a designated cooling position from one side of the test wind tunnel branch, leaves from the other side of the test wind tunnel branch after cooling of the cooling position is completed, enters a water outlet water storage pipe (126), and finally vertically downwards returns to the corresponding cooling water tank (128) through a cooling water outlet pipeline arranged under the ground.
8. The method for arranging the high-temperature wind tunnel equipment body according to claim 2, wherein the heater (121) and the spray pipes (122) in the test wind tunnel branch are in a modularized design, and each spray pipe (122) is provided with a plurality of throat sections for replacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311076000.5A CN116776453B (en) | 2023-08-25 | 2023-08-25 | High-temperature wind tunnel equipment body layout method |
Applications Claiming Priority (1)
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Cited By (2)
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| CN118150107A (en) * | 2024-05-09 | 2024-06-07 | 中国空气动力研究与发展中心超高速空气动力研究所 | High-temperature wind tunnel and wide-parameter operation method thereof |
| CN118168753A (en) * | 2024-05-14 | 2024-06-11 | 中国空气动力研究与发展中心超高速空气动力研究所 | Ignition starting device and ignition starting method for high-temperature wind tunnel combustion heater |
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