CN106525379B - A kind of exhaust apparatus and method that two sets of high temperature ultrasonics speed wind-tunnel is shared - Google Patents
A kind of exhaust apparatus and method that two sets of high temperature ultrasonics speed wind-tunnel is shared Download PDFInfo
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- CN106525379B CN106525379B CN201611024020.8A CN201611024020A CN106525379B CN 106525379 B CN106525379 B CN 106525379B CN 201611024020 A CN201611024020 A CN 201611024020A CN 106525379 B CN106525379 B CN 106525379B
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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
- G01M9/04—Details
Abstract
The invention discloses a kind of exhaust apparatus that two sets of high temperature ultrasonic speed wind-tunnel are shared, comprising: the first wind-tunnel, the second wind-tunnel, the first spray thrower, the second spray thrower, air inlet distributor, the first condenser, the second condenser, third condenser, collection device and vacuum pump set；Wherein, first wind-tunnel is connected with first spray thrower；First spray thrower is connected by first pipe with the air inlet distributor；Second spray thrower is connected by second pipe with the air inlet distributor；The air inlet distributor passes through third pipeline, the 4th pipeline and the 5th pipeline respectively and is connected to the collection device；The collection device is connected by total pipeline with the vacuum pump set.The present invention not only eliminates a set of exhaust system, and energy consumption is lower so that construction cost, the operating cost of mating wind-tunnel existing wind-tunnel is compared with the ability of working long hours with very big advantage.
Description
Technical field
The present invention relates to wind-tunnel exhaust technique fields, more particularly to a kind of exhaust dress that two sets of high temperature ultrasonic speed wind-tunnel are shared
It sets and method.
Background technique
High temperature ultrasonic speed wind-tunnel is generally used for carrying out the reentry vehicles such as the spacecrafts such as rocket and Manned reentry capsule pneumatic
Heat and aerodynamic test.For simulated altitude environment, wind-tunnel general work is under negative pressure.Exhaust system is the important of such wind-tunnel
Component part is smoothly discharged wind-tunnel for the air-flow after guarantee test, and maintains negative pressure in hole.High temperature ultrasonic speed wind-tunnel generally divides
Temporarily to rush two class of formula and continous way.
Intermittent wind tunnel mainly uses large size vacuum vessel to be vented scheme.Such wind-tunnel exhaust system generally such as Fig. 1, by true
Empty container, vacuum pump set, heat exchanger etc. are constituted.When wind-tunnel works, vacuum tank is first evacuated to higher vacuum (lower than 1Pa),
Then tested.Test tail gas is discharged into vacuum tank after heat exchanger cools down.When vacuum tank is filled by wind-tunnel tail gas to one
When determining degree, pressure can be increased to the upper limit close to wind-tunnel exhaust back pressure, and wind tunnel test at this time must terminate.It is limited to vacuum
Vessel volume and heat exchanger cooling capacity, the adaptability that such exhaust system changes wind-tunnel operating condition is poor, and continuous work
Time is generally shorter.
Continuous wind tunnel then mostly uses injection to be vented scheme, generally constitutes such as Fig. 2.When such wind-tunnel works, gas source is generated
Pressurized working fluid sprays into injector through nozzle at high speeds, using high-speed flow formed low-pressure injection wind-tunnel tail gas, subsequent tail gas and
Working fluid is sufficiently mixed and rises to normal pressure in mixing diffuser, then handles and be discharged through cooling device.Gas source used in injector
It can be compressed air, combustion gas or water vapour.In such exhaust system, injector has specific projected working point, deviates operating point
When induction efficiency decline it is obvious, therefore system adjustable range is relatively narrow, and operating condition adaptability is limited.And working fluid needed for injector
Flow is generally large, it is difficult to and it is without interruption for a long time, there is certain restriction to the stream time of wind-tunnel.
Different high temperature ultrasonic speed wind-tunnel, the parameter differences such as pressure at expulsion, temperature, flow are larger, therefore wind-tunnel exhaust system
When system is using above-mentioned common approach, it is necessary to specially be designed for specific wind-tunnel, multiple wind-tunnel are difficult to share a set of exhaust system.
Summary of the invention
Technical problem solved by the present invention is compared with the prior art, it is total to provide a kind of two sets of high temperature ultrasonic speed wind-tunnel
Exhaust apparatus and method realize two sets of different parameters high temperature ultrasonic speed wind-tunnel and share a set of exhaust system, not only save
A set of exhaust system, and energy consumption is lower, to working time of wind-tunnel substantially without limitation so that mating wind-tunnel construction
Cost, operating cost and the ability of working long hours compare existing wind-tunnel with very big advantage.
The object of the invention is achieved by the following technical programs: a kind of exhaust dress that two sets of high temperature ultrasonic speed wind-tunnel are shared
It sets, comprising: the first wind-tunnel, the second wind-tunnel, the first spray thrower, the second spray thrower, air inlet distributor, the first condenser, second cold
Condenser, third condenser, collection device and vacuum pump set；Wherein, first wind-tunnel is connected with first spray thrower；Institute
It states the first spray thrower and is connected by first pipe with the air inlet distributor, wherein the first pipe is provided with the first valve
Door；Second spray thrower is connected by second pipe with the air inlet distributor, wherein the second pipe is provided with
Two valves；The air inlet distributor passes through third pipeline, the 4th pipeline and the 5th pipeline respectively and is connected to the collection device,
In, the third pipeline is provided with the first condenser, and the 4th pipeline is provided with the second condenser, the 5th pipeline setting
There is third condenser；The collection device is connected by total pipeline with the vacuum pump set.
In the shared exhaust apparatus of above-mentioned two sets of high temperature ultrasonics speed wind-tunnel, the extraction flow 18kg/s of first wind-tunnel~
36kg/s, gas flow temperature 3550K-3600K, pressure 24kPa~36kPa.
In the shared exhaust apparatus of above-mentioned two sets of high temperature ultrasonics speed wind-tunnel, the extraction flow 18kg/s of second wind-tunnel~
36kg/s, gas flow temperature 3550K-3600K, pressure 70kPa~100kPa.
In the shared exhaust apparatus of above-mentioned two sets of high temperature ultrasonics speed wind-tunnel, first valve is dish valve, diameter 4000
~4050mm.
In the shared exhaust apparatus of above-mentioned two sets of high temperature ultrasonics speed wind-tunnel, second valve is dish valve, diameter 3000
~3050mm.
A kind of method for exhausting that two sets of high temperature ultrasonics speed wind-tunnel is shared, the exhaust shared using two sets of high temperature ultrasonic speed wind-tunnel
Device, described device include: the first wind-tunnel, the second wind-tunnel, the first spray thrower, the second spray thrower, air inlet distributor, the first condensation
Device, the second condenser, third condenser, collection device and vacuum pump set, the described method comprises the following steps:
Step 1: first wind-tunnel is connected with first spray thrower, and first spray thrower is passed through first
Pipeline is connected with the air inlet distributor, and second spray thrower is connected by second pipe with the air inlet distributor
It connects, the air inlet distributor is passed through into third pipeline, the 4th pipeline and the 5th pipeline respectively and is connected to the collection device, finally
The collection device is connected by total pipeline with the vacuum pump set, wherein the first pipe is provided with the first valve,
The second pipe is provided with the second valve, and the third pipeline is provided with the first condenser, and the 4th pipeline is provided with
Two condensers, the 5th pipeline are provided with third condenser；
Step 2: according to the first wind-tunnel or the flow and pressure of the second wind-tunnel, the used vacuum pump of vacuum pump set is determined
Number of units；
Step 3: the first wind-tunnel and the second wind-tunnel are evacuated to starting pressure using the minipump in vacuum pump set；
Step 4: it when the first wind-tunnel of starting, opens the first valve and simultaneously closes off the second valve, the tail gas in the first wind-tunnel arrives
Up to the first spray thrower, the shower water for being atomized as drop is uniformly blended into tail gas by the first spray thrower, absorbs tail gas heat quantity vaporization, drop
Low exhaust gas temperature, tail gas are cooled down after reaching air inlet distributor by the first condenser, the second condenser and third condenser again
After become room temperature and enter collection device, tail gas in collection device is extracted out finally by vacuum pump set；
Step 5: it when the second wind-tunnel of starting, opens the second valve and simultaneously closes off the first valve, the tail gas in the second wind-tunnel arrives
Up to the second spray thrower, the shower water for being atomized as microlayer model is uniformly blended into tail gas by the second spray thrower, absorbs tail gas heat quantity vaporization,
Exhaust temperature is reduced, tail gas is dropped after reaching air inlet distributor by the first condenser, the second condenser and third condenser again
Become room temperature after temperature and enter collection device, extracts tail gas in collection device out finally by vacuum pump set.
In the shared method for exhausting of above-mentioned two sets of high temperature ultrasonics speed wind-tunnel, in the step 2, vacuum pump set is determined
(10) formula of the number of units of used vacuum pump are as follows:
N=9.68 × 10-7pGm
Wherein, N is number of units；P is tunnel pressure；GmFor wind tunnel flow rate.
Compared with prior art, the present invention has the following advantages:
(1) present invention is able to solve two kinds of existing medium-and-large-sized vacuum tank exhausts of exhaust side's technology in the prior art and cannot expire
Working time of sufficient this project wind-tunnel requires and injection exhaust operating condition adaptability is poor and need to consume the alcohol in terms of hundred tons and
The problem of oxygen, energy consumption height and safety difference, the present invention can be in normal pressures to high vacuum gamut efficiently by vacuum pump set
Work, adaptability are better than the prior art；
(2) application of vacuum pump set of the present invention also solves flow adjustment in addition to solving the problems, such as pressure adaptation,
Using more vacuum pumps, extraction flow can be adjusted by adjusting unlatching number of units and the revolving speed of pump, be well adapted for two sets
The huge operating condition of wind-tunnel volume flow difference；
(3) present invention passes through the combined application of spray thrower and condenser, enables big flow wind-tunnel tail gas by no material
The 3600K high temperature of receiving, is rapidly decreased to room temperature, makes it possible the application of oil-sealed rotary pump, while effectively reducing machinery again
The load of vacuum pump, controls system scale；
(4) present invention is by Diesel Driven vacuum pump set, impact when avoiding wind tunnel test to public electric wire net；And
The fuel consumption under middle injection exhaust mode in terms of hundred tons, energy consumption reduce decades of times compared with the prior art.
Detailed description of the invention
Fig. 1 is the vacuum tank method for exhausting schematic diagram of the prior art；
Fig. 2 is the injection method for exhausting schematic diagram of the prior art；
Fig. 3 is the structural schematic diagram of the shared exhaust apparatus of two sets of high temperature ultrasonic speed wind-tunnel of the invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings:
Fig. 3 is the structural schematic diagram of the shared exhaust apparatus of two sets of high temperature ultrasonic speed wind-tunnel of the invention.As shown in figure 3,
The shared exhaust apparatus of two sets of high temperature ultrasonic speed wind-tunnel includes: the first wind-tunnel 1, the second wind-tunnel 2, the spray of the first spray thrower 3, second
Drench device 4, air inlet distributor 5, the first condenser 6, the second condenser 7, third condenser 8, collection device 9 and vacuum pump set 10；
Wherein,
First wind-tunnel 1 is connected with the first spray thrower 3.Specifically, the first wind-tunnel 1 passes through pipeline phase with the first spray thrower 3
Connection.
First spray thrower 3 is connected by first pipe 31 with air inlet distributor 5, wherein first pipe 31 is provided with the
One valve 32.Specifically, the circulation of first pipe 31, the first spray thrower 3 and the first pipe can be closed and be opened to the first valve 32
The left end in road 31 is threadedly coupled, and the right end of first pipe 31 is threadedly coupled with air inlet distributor 5.
Second spray thrower 4 is connected by second pipe 41 with air inlet distributor 5, wherein second pipe 41 is provided with the
Two valves 42.Specifically, the circulation of second pipe 41, the second spray thrower 4 and the second pipe can be closed and be opened to the second valve 42
The left end in road 41 is threadedly coupled, and the right end of second pipe 41 is threadedly coupled with air inlet distributor 5.
Air inlet distributor 5 is connected to collection device 9 by third pipeline 51, the 4th pipeline 52 and the 5th pipeline 53 respectively,
Wherein, third pipeline 51 is provided with the first condenser 6, and the 4th pipeline 52 is provided with the second condenser 7, and the 5th pipeline 53 is provided with
Third condenser 8.Specifically, the first condenser 6, the second condenser 7 and third condenser 8 are to found tower condenser, use is low
Warm water reduces exhaust temperature with the mode that tail gas directly mixes, and makes the water saturation wherein contained and precipitation.This not only further will
Room temperature drops in fuel gas temperature, so that in tail gas-water vapor mixture 70% or more quality is become liquid precipitation, greatly reduces true
The load of empty 10 intermediate pump of unit.
Collection device 9 is connected by total pipeline 91 with vacuum pump set 10.
When work, judge to start the first wind-tunnel 1 or the second wind-tunnel 2, when starting the first wind-tunnel 1, in the first wind-tunnel 1
Tail gas reaches the first spray thrower 3, and the shower water for be atomized as microlayer model is uniformly blended into tail gas by the first spray thrower 3, absorption tail gas
Heat vaporization, reduces exhaust temperature, and tail gas passes through the first condenser 6, the second condenser 7 and third after reaching air inlet distributor 5
Condenser 8 becomes room temperature after cooling down again and enters collection device 9；When starting the second wind-tunnel 2, the tail gas in the second wind-tunnel 2 is arrived
Up to the second spray thrower 4, the shower water for being atomized as microlayer model is uniformly blended into tail gas by the second spray thrower 4, absorbs tail gas heat quantity vapour
Change, reduce fuel gas temperature, tail gas passes through the first condenser 6, the second condenser 7 and third condenser 8 after reaching air inlet distributor 5
Become room temperature after cooling down again and enters collection device 9；Collection device 9 is extracted out tail gas finally by vacuum pump set 10.Specifically
, 673K can be down to by 3600K by its temperature by the tail gas of spray thrower, the temperature for again passing by the tail gas of condenser can be with
293K is further reduced to hereinafter, becoming gas at normal temperature.It is to be appreciated that above-mentioned is shape of two wind-tunnel all in work
State, the first valve 32 and the second valve 42 are all the state opened, and can be carried out according to the working condition of wind-tunnel in the present embodiment
First valve 32 can then be opened for example, only the first wind-tunnel 1 works, the second valve 42 is closed by selection；If only
The work of second wind-tunnel 2, then can open the second valve 42, the first valve 32 is closed.
The present embodiment, which is able to solve two kinds of existing medium-and-large-sized vacuum tank exhausts of exhaust side's technology in the prior art, to expire
Working time of sufficient this project wind-tunnel requires and injection exhaust operating condition adaptability is poor and need to consume the alcohol in terms of hundred tons and
The problem of oxygen, energy consumption height and safety difference, the present embodiment passes through vacuum pump set can be high in normal pressure to high vacuum gamut
Work is imitated, adaptability is better than the prior art.And the application of the present embodiment vacuum pump set, except solving the problems, such as pressure adaptation
Outside, flow adjustment is also solved, it, can be by adjusting the unlatching number of units pumped and revolving speed come the row of adjusting using more vacuum pumps
Throughput has been well adapted for two sets of huge operating conditions of wind-tunnel volume flow difference；And the present embodiment by spray thrower with it is cold
The combined application of condenser, the 3600K high temperature for being able to bear big flow wind-tunnel tail gas by no material, is rapidly decreased to room temperature, makes
The application of oil-sealed rotary pump is possibly realized, while effectively reducing the load of oil-sealed rotary pump again, controls system scale.
In above-described embodiment, extraction flow 18kg/s~36kg/s of the first wind-tunnel 1, gas flow temperature 3600K, pressure
24kPa~36kPa.Extraction flow 18kg/s~36kg/s of second wind-tunnel 2, gas flow temperature 3600K, pressure 70kPa~
100kPa.Two wind-tunnel pressure at expulsion maximums differ about 4 times；Exhaust mass flow is although identical, still body (under homogenous quantities flow)
Product flow but differs 4 times.In addition to this, the adjustable range of the respective flow of two wind-tunnel is also very big.The exhaust apparatus of the present embodiment has
Very big pressure adjusts and flow regulating power.
In above-described embodiment, the vacuum pump in vacuum pump set 10 uses diesel engine for power, power 1440kW, is evacuated energy
Power 54000Am3/h.Specifically, the present embodiment uses Diesel Driven big flow oil-sealed rotary pump, unit is vented as wind-tunnel.
Impact with Diesel Driven big flow vacuum pump, when avoiding wind tunnel test to public electric wire net；And injection row in opposite Fig. 2
Fuel consumption under gas mode in terms of hundred tons, energy consumption reduce decades of times, such as 8 diesel engine work 20min only consume diesel oil
540kg。
In above-described embodiment, the first valve 32 is dish valve, diameter 4000mm-4050mm；Second valve 42 is dish valve, directly
Diameter is 3000mm-3050mm.Specifically, the diameter of the first valve 32 is preferably 4000mm, the diameter of the second valve 42 is preferably
3000mm, the first valve 32 and the second valve 42 have vacuum sealing ability.Wind-tunnel and spray thrower can when can guarantee not work
By isolation.
The present invention also provides a kind of method for exhausting that two sets of high temperature ultrasonic speed wind-tunnel are shared, using two sets of high temperature ultrasonic speed
The shared exhaust apparatus of wind-tunnel, as shown in figure 3, the device includes: the first wind-tunnel 1, the second wind-tunnel 2, the first spray thrower 3, second
Spray thrower 4, air inlet distributor 5, the first condenser 6, the second condenser 7, third condenser 8, collection device 9 and vacuum pump set
10, method includes the following steps:
Step 1: the first wind-tunnel 1 is connected with the first spray thrower 3, by the first spray thrower 3 by first pipe 31 with into
Gas distributor 5 is connected, and the second spray thrower 4 is connected by second pipe 41 with air inlet distributor 5, by air inlet distributor 5
Collection device 9 is connected to by third pipeline 51, the 4th pipeline 52 and the 5th pipeline 53 respectively, finally passes through collection device 9
Total pipeline 91 is connected with vacuum pump set 10, wherein first pipe 31 is provided with the first valve 32, and second pipe 41 is provided with
Two valves 42, third pipeline 51 are provided with the first condenser 6, and the 4th pipeline 52 is provided with the second condenser 7, and the 5th pipeline 53 is set
It is equipped with third condenser 8；
Step 2: according to the mass flow and pressure of the first wind-tunnel 1 and the second wind-tunnel 2, exhaust volumetric flow is calculated, really
Determine the number of units of the used vacuum pump of vacuum pump set 10；
Step 3: first wind-tunnel 1 and the second wind-tunnel 2 are evacuated to starting using the minipump 101 in vacuum pump set 10
Pressure；
Step 4: it when the first wind-tunnel 1 of starting, opens the first valve 32 and simultaneously closes off the second valve 42, in the first wind-tunnel 1
Tail gas reaches the first spray thrower 3, and the shower water for be atomized as microlayer model is uniformly blended into tail gas by the first spray thrower 3, absorption tail gas
Heat vaporization, reduces exhaust temperature, and tail gas passes through the first condenser 6, the second condenser 7 and third after reaching air inlet distributor 5
Condenser 8 becomes room temperature after cooling down again and enters collection device 9, and tail gas is taken out to collection device 9 finally by vacuum pump set 10
Out；
Step 5: it when the second wind-tunnel 2 of starting, opens the second valve 42 and simultaneously closes off the first valve 32, in the second wind-tunnel 2
Tail gas reaches the second spray thrower 4, and the shower water for be atomized as microlayer model is uniformly blended into tail gas by the second spray thrower 4, absorption tail gas
Heat vaporization, reduces exhaust temperature, and tail gas passes through the first condenser 6, the second condenser 7 and third after reaching air inlet distributor 5
Condenser 8 becomes room temperature after cooling down again and enters collection device 9, takes out tail gas in collection device 9 finally by vacuum pump set 10
Out.
In above-described embodiment, in step 2, the formula of the number of units of the used vacuum pump of vacuum pump set 10 is determined are as follows: N=
9.68×10-7pGm
Wherein, N is number of units；P is tunnel pressure；GmFor wind tunnel flow rate, unit kg/s.
The present invention is able to solve two kinds of existing medium-and-large-sized vacuum tank exhausts of exhaust side's technology in the prior art and is not able to satisfy
The working time of this project wind-tunnel requires and injection exhaust operating condition adaptability is poor and need to consume alcohol and oxygen in terms of hundred tons
Gas, energy consumption be high and the problem of safety difference, the present invention pass through vacuum pump set can in normal pressure to high vacuum gamut efficient work
Make, adaptability is better than the prior art；And the application of vacuum pump set of the present invention also solves in addition to solving the problems, such as pressure adaptation
Flow adjustment of having determined can adjust extraction flow by adjusting unlatching number of units and the revolving speed of pump using more vacuum pumps,
It has been well adapted for two sets of huge operating conditions of wind-tunnel volume flow difference；And the present invention passes through the combination of spray thrower and condenser
Using the 3600K high temperature for being able to bear big flow wind-tunnel tail gas by no material is rapidly decreased to room temperature, makes oil-sealed rotary pump
Application be possibly realized, while effectively reducing the load of oil-sealed rotary pump again, control system scale.
Embodiment described above is the present invention more preferably specific embodiment, and those skilled in the art is in this hair
The usual variations and alternatives carried out in bright technical proposal scope should be all included within the scope of the present invention.
Claims (7)
1. a kind of exhaust apparatus that two sets of high temperature ultrasonic speed wind-tunnel are shared, characterized by comprising: the first wind-tunnel (1), the second wind
Hole (2), the first spray thrower (3), the second spray thrower (4), air inlet distributor (5), the first condenser (6), the second condenser (7),
Third condenser (8), collection device (9) and vacuum pump set (10)；Wherein,
First wind-tunnel (1) is connected with first spray thrower (3)；
First spray thrower (3) is connected by first pipe (31) with the air inlet distributor (5), wherein described first
Pipeline (31) is provided with the first valve (32)；
Second spray thrower (4) is connected by second pipe (41) with the air inlet distributor (5), wherein described second
Pipeline (41) is provided with the second valve (42)；
The air inlet distributor (5) is connected to institute by third pipeline (51), the 4th pipeline (52) and the 5th pipeline (53) respectively
State collection device (9), wherein the third pipeline (51) is provided with the first condenser (6), and the 4th pipeline (52) is provided with
Second condenser (7), the 5th pipeline (53) are provided with third condenser (8)；
The collection device (9) is connected by total pipeline (91) with the vacuum pump set (10).
2. the shared exhaust apparatus of two sets of high temperature ultrasonics speed wind-tunnel according to claim 1, it is characterised in that: described first
Extraction flow 18kg/s~36kg/s of wind-tunnel (1), gas flow temperature 3550K-3600K, pressure 24kPa~36kPa.
3. the shared exhaust apparatus of two sets of high temperature ultrasonics speed wind-tunnel according to claim 1, it is characterised in that: described second
Extraction flow 18kg/s~36kg/s of wind-tunnel (2), gas flow temperature 3550K-3600K, pressure 70kPa~100kPa.
4. the shared exhaust apparatus of two sets of high temperature ultrasonics speed wind-tunnel according to claim 1, it is characterised in that: described first
Valve (32) is dish valve, and diameter is 4000~4050mm.
5. the shared exhaust apparatus of two sets of high temperature ultrasonics speed wind-tunnel according to claim 1, it is characterised in that: described second
Valve (42) is dish valve, and diameter is 3000~3050mm.
6. a kind of method for exhausting that two sets of high temperature ultrasonic speed wind-tunnel are shared, which is characterized in that use two sets of high temperature ultrasonic speed wind-tunnel
Shared exhaust apparatus, described device include: the first wind-tunnel (1), the second wind-tunnel (2), the first spray thrower (3), the second spray thrower
(4), air inlet distributor (5), the first condenser (6), the second condenser (7), third condenser (8), collection device (9) and vacuum
Unit (10), the described method comprises the following steps:
Step 1: first wind-tunnel (1) is connected with first spray thrower (3), first spray thrower (3) is passed through
First pipe (31) is connected with the air inlet distributor (5), and second spray thrower (4) is passed through second pipe (41) and institute
Air inlet distributor (5) is stated to be connected, by the air inlet distributor (5) respectively by third pipeline (51), the 4th pipeline (52) and
5th pipeline (53) is connected to the collection device (9), finally passes through the collection device (9) total pipeline (91) and described true
Empty unit (10) is connected, wherein the first pipe (31) is provided with the first valve (32), second pipe (41) setting
Have the second valve (42), the third pipeline (51) is provided with the first condenser (6), and the 4th pipeline (52) is provided with second
Condenser (7), the 5th pipeline (53) are provided with third condenser (8)；
Step 2: according to the first wind-tunnel (1) or the flow and pressure of the second wind-tunnel (2), determine that vacuum pump set (10) uses very
The number of units of sky pump；
Step 3: the first wind-tunnel (1) and the second wind-tunnel (2) are evacuated to using the minipump (101) in vacuum pump set (10)
Starting pressure；
Step 4: when starting the first wind-tunnel (1), opening the first valve (32) and simultaneously close off the second valve (42), the first wind-tunnel (1)
In tail gas reach the first spray thrower (3), the shower water for be atomized as drop is uniformly blended into tail gas by the first spray thrower (3), suction
Tail gas heat quantity vaporization is received, exhaust temperature is reduced, tail gas reaches air inlet distributor (5) afterwards by the first condenser (6), the second condensation
Device (7) and third condenser (8) become room temperature after cooling down again and enter collection device (9), will finally by vacuum pump set (10)
Tail gas is extracted out in collection device (9)；
Step 5: when starting the second wind-tunnel (2), opening the second valve (42) and simultaneously close off the first valve (32), the second wind-tunnel (2)
In tail gas reach the second spray thrower (4), the shower water for be atomized as drop is uniformly blended into tail gas by the second spray thrower (4), suction
Tail gas heat quantity vaporization is received, exhaust temperature is reduced, tail gas reaches air inlet distributor (5) afterwards by the first condenser (6), the second condensation
Device (7) and third condenser (8) become room temperature after cooling down again and enter collection device (9), will finally by vacuum pump set (10)
Tail gas is extracted out in collection device (9).
7. the shared method for exhausting of two sets of high temperature ultrasonics speed wind-tunnel according to claim 6, it is characterised in that: in the step
In rapid two, the formula of the number of units of vacuum pump set (10) used vacuum pump is determined are as follows:
N=9.68 × 10-7pGm
Wherein, N is number of units；P is tunnel pressure；GmFor wind tunnel flow rate.
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| CN201611024020.8A CN106525379B (en) | 2016-11-14 | 2016-11-14 | A kind of exhaust apparatus and method that two sets of high temperature ultrasonics speed wind-tunnel is shared |
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| CN111929024B (en) * | 2020-09-27 | 2020-12-22 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing wind tunnel air intake and height simulation system and method |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1456561A (en) * | 1973-06-06 | 1976-11-24 | Ciba Geigy Ag | Apparatus for producing turbulence-free air flow |
| US4513610A (en) * | 1983-09-06 | 1985-04-30 | Ab Rollab | Method and device for attaining a gas flow in a wind tunnel |
| JPH04190129A (en) * | 1990-11-22 | 1992-07-08 | Mitsubishi Heavy Ind Ltd | Disturbance avoiding type smoke wind tunnel |
| JPH0719993A (en) * | 1991-12-31 | 1995-01-20 | Kawasaki Heavy Ind Ltd | Operation control device for blowout type wind tunnel |
| JPH08299515A (en) * | 1995-05-02 | 1996-11-19 | Ishikawajima Harima Heavy Ind Co Ltd | Free fall simulator |
| JPH09243504A (en) * | 1996-03-12 | 1997-09-19 | Fujita Corp | Wind tunnel experimenting apparatus |
| JP2001056268A (en) * | 1999-08-20 | 2001-02-27 | Japan Science & Technology Corp | Smoke exhaust device |
| CN102708932A (en) * | 2012-06-12 | 2012-10-03 | 中广核工程有限公司 | Containment filtering and discharging system of twin-reactor nuclear power plant |
| KR101249075B1 (en) * | 2011-08-30 | 2013-04-01 | 한국철도기술연구원 | Airtight structure of tunnel exit for keeping partial vaccum in tunnel on moving model test rig |
| CN203213536U (en) * | 2013-05-03 | 2013-09-25 | 王立新 | Negative-pressure exhaust passage shared by high-low kitchen and bath |
| CN203249750U (en) * | 2013-04-24 | 2013-10-23 | 武汉航空仪表有限责任公司 | Icing wind tunnel altitude simulation device |
| CN203587313U (en) * | 2013-11-05 | 2014-05-07 | 沈阳金凯瑞科技有限公司 | Vacuum-pumping device system of wind tunnel pumping experiment |
| CN203716454U (en) * | 2014-02-12 | 2014-07-16 | 邵学华 | Shared exhaust passage for kitchen fume purification |
| RU2526505C1 (en) * | 2013-04-04 | 2014-08-20 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) | Method of gas flow creation in aerodynamic tunnel and aerodynamic tunnel |
| CN106017852A (en) * | 2016-05-17 | 2016-10-12 | 中国人民解放军63820部队吸气式高超声速技术研究中心 | Parallel wind tunnel extruding air supply system |
-
2016
- 2016-11-14 CN CN201611024020.8A patent/CN106525379B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1456561A (en) * | 1973-06-06 | 1976-11-24 | Ciba Geigy Ag | Apparatus for producing turbulence-free air flow |
| US4513610A (en) * | 1983-09-06 | 1985-04-30 | Ab Rollab | Method and device for attaining a gas flow in a wind tunnel |
| JPH04190129A (en) * | 1990-11-22 | 1992-07-08 | Mitsubishi Heavy Ind Ltd | Disturbance avoiding type smoke wind tunnel |
| JPH0719993A (en) * | 1991-12-31 | 1995-01-20 | Kawasaki Heavy Ind Ltd | Operation control device for blowout type wind tunnel |
| JPH08299515A (en) * | 1995-05-02 | 1996-11-19 | Ishikawajima Harima Heavy Ind Co Ltd | Free fall simulator |
| JPH09243504A (en) * | 1996-03-12 | 1997-09-19 | Fujita Corp | Wind tunnel experimenting apparatus |
| JP2001056268A (en) * | 1999-08-20 | 2001-02-27 | Japan Science & Technology Corp | Smoke exhaust device |
| KR101249075B1 (en) * | 2011-08-30 | 2013-04-01 | 한국철도기술연구원 | Airtight structure of tunnel exit for keeping partial vaccum in tunnel on moving model test rig |
| CN102708932A (en) * | 2012-06-12 | 2012-10-03 | 中广核工程有限公司 | Containment filtering and discharging system of twin-reactor nuclear power plant |
| RU2526505C1 (en) * | 2013-04-04 | 2014-08-20 | Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) | Method of gas flow creation in aerodynamic tunnel and aerodynamic tunnel |
| CN203249750U (en) * | 2013-04-24 | 2013-10-23 | 武汉航空仪表有限责任公司 | Icing wind tunnel altitude simulation device |
| CN203213536U (en) * | 2013-05-03 | 2013-09-25 | 王立新 | Negative-pressure exhaust passage shared by high-low kitchen and bath |
| CN203587313U (en) * | 2013-11-05 | 2014-05-07 | 沈阳金凯瑞科技有限公司 | Vacuum-pumping device system of wind tunnel pumping experiment |
| CN203716454U (en) * | 2014-02-12 | 2014-07-16 | 邵学华 | Shared exhaust passage for kitchen fume purification |
| CN106017852A (en) * | 2016-05-17 | 2016-10-12 | 中国人民解放军63820部队吸气式高超声速技术研究中心 | Parallel wind tunnel extruding air supply system |
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