CN206192621U - Experimental high -efficient jumbo size of intake duct is drawn and is penetrated piping installation - Google Patents
Experimental high -efficient jumbo size of intake duct is drawn and is penetrated piping installation Download PDFInfo
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- CN206192621U CN206192621U CN201621311287.0U CN201621311287U CN206192621U CN 206192621 U CN206192621 U CN 206192621U CN 201621311287 U CN201621311287 U CN 201621311287U CN 206192621 U CN206192621 U CN 206192621U
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- intake duct
- flowmeter
- stable section
- wind
- injector
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Abstract
The utility model provides an experimental high -efficient jumbo size of intake duct is drawn and is penetrated piping installation, belongs to the wind tunnel test technology field, the utility model discloses a solve and to rely on the punching press of wind -tunnel incoming flow not reach intake duct actual flow's problem totally. Behind flowmeter, the flowmeter behind diffuser, the flowmeter behind stable section, flow control valve, the governing valve before behind stable section, governing valve diffuser, the ejector stable section and ejector connect in order, and be located same axis to form the route, its whole pipeline installation is at the wind -tunnel center. The utility model discloses an experimental high -efficient jumbo size of intake duct is drawn and is penetrated piping installation can produce to satisfy under the ejector action that the height was calmed the anger and install at the required flow of the intake duct of pipeline front end, can make the intake duct wind tunnel test realize large -traffic simulation.
Description
Technical field
The utility model is related to a kind of injection piping installation, and in particular to a kind of efficient large scale induction tunnel of air intake test
Road device, belongs to wind-tunnel technique field.
Background technology
Air intake duct directly affects the cooperation of aircraft and engine as stream in aircraft and outflow interface unit, its performance
Performance, air intake duct is designed by aircraft type unit, pays close attention to loss of the air intake duct under design discharge, steady dynamic distortion ginseng
Number, stall margin etc., these parameters are general by wind tunnel test acquisition and checking, the examination of air intake duct wind-tunnel in the airplane design stage
Test, generally flowing punching press using without the independent air intake test mode of engine, wind-tunnel is fully relied on does not reach the actual stream of air intake duct
Amount, need to take measures draw inlet road to simulate Flow Field In An Inlet, and injector is conveyed as a kind of fluid being widely used
Device, has more application in terms of Flow Field In An Inlet is simulated, and in air intake duct wind tunnel test, injector is arranged in pipeline,
Composition injection pipeline, produces under the ejector action of high pressure gas and meets the flow needed for the air intake duct of pipeline front end；It is existing
Partial-air admission road experiment pipe-line system, limited by pipeline size, flow simulation ability can not meet big flow air intake test
Demand, if transforming whole wind-tunnel pipe-line system, will pay larger cost, and aspiration will install flowmeter, Flow-rate adjustment in addition
The devices such as valve, circuit design is slightly unreasonable, and line loss will be caused to be increased dramatically.Accordingly, it would be desirable to a kind of wind-tunnel air intake test
Efficient large scale injection piping installation, to meet flow needed for air intake duct, improves air intake test ability.
Utility model content
The purpose of this utility model is to provide a kind of efficient large scale injection piping installation of air intake test, to solve because entering
Air flue underfed and the problem of big flow simulated test can not be carried out.
The efficient large scale injection piping installation of a kind of air intake test includes diffuser, stream after flowmeter, flowmeter
Stable section and injector before diffuser, injector after stable section, regulating valve after stable section, flow control valve, regulating valve after gauge；
Stable section, regulating valve after stable section, flow control valve, regulating valve after diffuser, flowmeter after flowmeter, flowmeter
Stable section and injector are sequentially connected with before diffuser, injector afterwards, and on same axis, and path is formed, its integral tube
Road is arranged on wind-tunnel center.
Preferably：Flowmeter is connected with wind-tunnel air intake port pipeline.
Preferably：Injector is provided with high pressure connector, and injector is connected by high pressure connector with high-pressure air source.
The utility model has the following effects that compared with existing product：Air intake test simulation of flow field can be significantly improved
Ability, pipeline suction flow is big, loses small, has flow measurement and regulating power concurrently, and the original air intake duct pipeline system of wind-tunnel is not destroyed
System.
Brief description of the drawings
Fig. 1 is a kind of front view figure of the efficient large scale injection piping installation of air intake test described in the utility model；
Fig. 2 is the side view of Fig. 1.
In figure：Stable section, 4- flowmeters regulating valve, 5- regulations after diffuser, 3- flowmeters after 1- flowmeters, 2- flowmeters
Stable section, 8- injectors, 9- high pressure connectors before diffuser, 7- injectors after stable section, 6- regulating valves after valve.
Specific embodiment
The utility model is elaborated below according to accompanying drawing preferred embodiment.
As shown in Figure 1 to Figure 2, the efficient large scale injection piping installation bag of a kind of air intake test described in the utility model
Include after flowmeter 1, flowmeter after diffuser 2, flowmeter stable section 5, regulating valve after stable section 3, flow control valve 4, regulating valve
Stable section 7 and injector 8 before diffuser 6, injector afterwards；
It is stable after stable section 3, flow control valve 4, regulating valve after diffuser 2, flowmeter after the flowmeter 1, flowmeter
Stable section 7 and injector 8 are sequentially connected with before diffuser 6, injector after section 5, regulating valve, and on same axis, and formed
Path, its overall pipeline is arranged on wind-tunnel center, and flowmeter 1 is connected on the pipeline of air channel air intake duct part, and injector 8 is connected with
High-pressure air source, high pressure gas expand to form supersonic airstream by injector nozzle, injection air intake duct low-pressure air current, are entered after mixing
In wind-tunnel diffuser, and then the purpose for simulating Flow Field In An Inlet is reached, can be to pipeline by flowmeter 1 and flow control valve 4
Interior air-flow flow is measured and regulation.
Further：The efficient large scale injection piping installation of air intake test of the present utility model substantially increases air intake duct wind
The analog capability of flow field is tested in hole, and maximum outside diameter 458mm, maximum analog flow brings up to 3.2kg/s, this dress from 1.8kg/s
The optimized Combination Design of pipeline rectifying part is put, line loss is small, induction efficiency improves 0.12, the application of this piping installation more originally
It is stable in air intake duct wind tunnel test, install, it is convenient to dismantle.
Further：Injector 8 is provided with high pressure connector 9, and injector 8 is connected by high pressure connector 9 with high-pressure air source.
Present embodiment is the exemplary illustration to this patent, does not limit its protection domain, people in the art
Member can also be changed to its part, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.
Claims (3)
1. the efficient large scale injection piping installation of a kind of air intake test, it is characterised in that：After flowmeter (1), flowmeter
Diffuser after stable section (5), regulating valve after stable section (3), flow control valve (4), regulating valve after diffuser (2), flowmeter
(6), stable section (7) and injector (8) before injector；
After the flowmeter (1), flowmeter after diffuser (2), flowmeter after stable section (3), flow control valve (4), regulating valve
Stable section (7) and injector (8) are sequentially connected with before diffuser (6), injector after stable section (5), regulating valve, and positioned at same axle
On line, and path is formed, its overall pipeline is arranged on wind-tunnel center.
2. the efficient large scale injection piping installation of a kind of air intake test according to claim 1, it is characterised in that：Flow
Meter (1) is connected with wind-tunnel air intake port pipeline.
3. the efficient large scale injection piping installation of a kind of air intake test according to claim 1 and 2, it is characterised in that：
Injector (8) is provided with high pressure connector (9), and injector (8) is connected by high pressure connector (9) with high-pressure air source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621311287.0U CN206192621U (en) | 2016-12-02 | 2016-12-02 | Experimental high -efficient jumbo size of intake duct is drawn and is penetrated piping installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621311287.0U CN206192621U (en) | 2016-12-02 | 2016-12-02 | Experimental high -efficient jumbo size of intake duct is drawn and is penetrated piping installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192621U true CN206192621U (en) | 2017-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201621311287.0U Active CN206192621U (en) | 2016-12-02 | 2016-12-02 | Experimental high -efficient jumbo size of intake duct is drawn and is penetrated piping installation |
Country Status (1)
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| CN (1) | CN206192621U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500950A (en) * | 2016-12-02 | 2017-03-15 | 中国航空工业集团公司哈尔滨空气动力研究所 | A kind of efficient large scale injection piping installation of air intake test |
| CN111157218A (en) * | 2020-02-27 | 2020-05-15 | 北京航空航天大学 | Large-scale circulation back cooling type low-temperature injection environment wind tunnel |
| CN111189607A (en) * | 2020-02-27 | 2020-05-22 | 北京航空航天大学 | Large-scale injection heat exchange type low-temperature environment wind tunnel |
| CN111272377A (en) * | 2020-02-27 | 2020-06-12 | 北京航空航天大学 | Large-scale double-circulation back-cooling type low-temperature environment wind tunnel |
| CN111289207A (en) * | 2020-02-27 | 2020-06-16 | 北京航空航天大学 | Large-scale double-circulation air refrigeration, injection and heat exchange type low-temperature environment wind tunnel |
| CN111289205A (en) * | 2020-02-27 | 2020-06-16 | 北京航空航天大学 | Large-scale circulating refrigeration, injection and heat exchange type low-temperature environment wind tunnel |
| CN112525475A (en) * | 2020-11-30 | 2021-03-19 | 中国航空工业集团公司哈尔滨空气动力研究所 | Rotatable guiding device for moving large-scale section |
| CN115266000A (en) * | 2022-09-28 | 2022-11-01 | 中国空气动力研究与发展中心高速空气动力研究所 | Combined dynamic air inlet duct wind tunnel test device |
-
2016
- 2016-12-02 CN CN201621311287.0U patent/CN206192621U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500950A (en) * | 2016-12-02 | 2017-03-15 | 中国航空工业集团公司哈尔滨空气动力研究所 | A kind of efficient large scale injection piping installation of air intake test |
| CN111157218A (en) * | 2020-02-27 | 2020-05-15 | 北京航空航天大学 | Large-scale circulation back cooling type low-temperature injection environment wind tunnel |
| CN111189607A (en) * | 2020-02-27 | 2020-05-22 | 北京航空航天大学 | Large-scale injection heat exchange type low-temperature environment wind tunnel |
| CN111272377A (en) * | 2020-02-27 | 2020-06-12 | 北京航空航天大学 | Large-scale double-circulation back-cooling type low-temperature environment wind tunnel |
| CN111289207A (en) * | 2020-02-27 | 2020-06-16 | 北京航空航天大学 | Large-scale double-circulation air refrigeration, injection and heat exchange type low-temperature environment wind tunnel |
| CN111289205A (en) * | 2020-02-27 | 2020-06-16 | 北京航空航天大学 | Large-scale circulating refrigeration, injection and heat exchange type low-temperature environment wind tunnel |
| CN112525475A (en) * | 2020-11-30 | 2021-03-19 | 中国航空工业集团公司哈尔滨空气动力研究所 | Rotatable guiding device for moving large-scale section |
| CN112525475B (en) * | 2020-11-30 | 2023-01-13 | 中国航空工业集团公司哈尔滨空气动力研究所 | Rotatable guiding device for moving large-scale section |
| CN115266000A (en) * | 2022-09-28 | 2022-11-01 | 中国空气动力研究与发展中心高速空气动力研究所 | Combined dynamic air inlet duct wind tunnel test device |
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