CN105115827B - Rocket is pressurized flange and pipeline hot environment combined test device - Google Patents
Rocket is pressurized flange and pipeline hot environment combined test device Download PDFInfo
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- CN105115827B CN105115827B CN201510612318.XA CN201510612318A CN105115827B CN 105115827 B CN105115827 B CN 105115827B CN 201510612318 A CN201510612318 A CN 201510612318A CN 105115827 B CN105115827 B CN 105115827B
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- supercharging
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Abstract
The present invention provides a kind of rocket supercharging flanges and pipeline hot environment combined test device, for carrying out the Combined Trials under carrier rocket boosting oxygen case supercharging flange concentrates force effect with pipeline caused by high temperature pressurised gas pressure and pressure piping expansion.It is to rely on electric arc heated ground-testing plant, in conjunction with the special construction of supercharging flange and pipeline, the slender pipeline experimental rig in electro-arc heater downstream is designed, the Temperature Distribution of supercharging flange cylinder section and the ess-strain situation of structure under the influence of pressurization gas are can get.
Description
Technical field
The invention belongs to aircraft ground simulation test device fields.It is more particularly related to which a kind of rocket increases
Pressure flange and pipeline hot environment combined test device, for carrying out carrier rocket boosting oxygen case supercharging flange with pipeline in high temperature
The Combined Trials under force effect are concentrated caused by pressurization gas pressure and pressure piping expansion.
Background technology
Rocket assist oxygen case supercharging flange awing bears to draw from high temperature pressurised gas pressure and pressure piping expansion
The concentration force effect risen, temperature condition is severe, and stressing conditions are complicated, needs the temperature, pressure, flow item of simulating high temperature gas flow
Part carries out the Combined Trials under high temperature pressurised gaseous environment to supercharging flange and pipeline, obtains supercharge method under the influence of pressurization gas
The Temperature Distribution of blue cylinder section and the ess-strain situation of structure.It needs to establish professional ground experiment device, simulates boosting oxygen
The high temperature pressurised gas pressure and the caused concentration force effect of pressure piping expansion that case supercharging flange is awing born, are increased
The Temperature Distribution of pressure flange cylinder section and the ess-strain situation of structure are rationally designing in range, to ensure flight of really going up to the sky
When the link do not go wrong, to successfully escort for rocket launching.
Electric arc heated testing equipment have simulation gas componant is true, parameter regulation range is wide, can long-time heating etc. it is excellent
Point and as preferred heating equipment, but special electric arc heated ground simulation examination was not carried out when former low temperature supercharging flange design
It tests, therefore inexperienced follows.Use environment for supercharge method Lanzhou and Xinjiang and new geomery, need with electric arc heated ground
Testing equipment is to rely on, and the special construction for supercharging flange of combining closely and the specific demand of experiment are to electro-arc heater duct test
Device is designed, when design need to consider slender pipeline expand with heat and contract with cold and thermal current is joined needed for how realizing and adjusting
The problems such as ring of numbers border.
Invention content
The technical problems to be solved by the invention：
1, the elongate curved pipeline flowing success of certain temperature, pressure and gas flow is realized；
2, electro-arc heater mixed stable voltage room is relatively large in diameter, and pipe-line system latus rectum is smaller, and the two diameter ratio is 4：1, be
It prevents air-flow from generating flowing interference because latus rectum is mutated, needs rationally to solve the problems, such as reducing；
3, simulation tank weighs greatly, to fix supporting point, with the elongated tubular between another fixed supporting point electro-arc heater
Road is up to 5m, and during experiment under the heat effect of thermal current, there are about 7~8mm for heat expansion amount, to being pressurized the force simulation of flange
It is very unfavorable, in some instances it may even be possible to be destructive, to remove this adverse effect；
4, needing to establish water saving measures makes pipeline interior air-flow reach predetermined high pressure value.
In order to realize these purposes and other advantages according to the present invention, provides a kind of rocket supercharging flange and pipeline is high
Warm environment combined test device comprising：
Mixed stable voltage room has a hot gas air inlet, a cold air air inlet and an outlet, the hot gas air inlet connection
In the output end of electro-arc heater；
Pressure piping comprising the first pipeline, supercharging flange and gas exhaust piping with the outlet, the supercharge method
Orchid includes one and the first level part of first pipeline connection and one first vertical portion, and the gas exhaust piping includes one the
Two horizontal components and one second vertical portion, second vertical portion are connect with first vertical portion, second water
The end of flat part is provided with a throttling venturi, and the first pipeline of 5m long can be such that thermal current is further uniformly mixed, and is pressurized flange
For rectangular shaped, turns back and be welded in simulation tank after 90 °, gas exhaust piping is " L " shape, makes gas flow changed to horizontal direction row
Go out, is because real structure is exactly right angle, when experiment simulates real structure.Throttling venturi make pipeline pressure rise to experiment needed for examine
Nuclear pressure；
Test device comprising the air flow temperature sensor and the detection pressure piping being arranged on first pipeline
The pressure sensor of the pressure value of interior gas；
It is pressurized flange test device comprising be arranged in the vertical displacement sensor of the first level part and the first temperature
Sensor is spent, and the horizontal displacement sensors and second temperature sensor being arranged in first vertical portion.
Preferably, in rocket supercharging flange and pipeline hot environment combined test device, first pipeline
Bellows is additionally provided between the supercharging flange, installation of the natural length less than the bellows of the bellows is grown
Degree, bellows provide the pre-stretching that slender pipeline system expands with heat and contract with cold effect, and bellows can stretch, and are reserved before installing
Spacing is more than Bellows Length, so needing to stretch long installation, that is, has certain pre-stretching amount.When thermal current flows through, ripple
Pipe expanded by heating, tensile stress can be eased.
Preferably, for rocket supercharging flange with pipeline hot environment combined test device, described first is vertical
Part is welded on a supporting rack, and support frame as described above is simulation tank, and simulation tank practical structures are not for charging
The critical component participated in the experiment is tested, but experimental evaluation component is welded on its top, so relevant a bulk of arc plate has been intercepted, letter
Claim simulation tank.
Preferably, in rocket supercharging flange and pipeline hot environment combined test device, the outlet and institute
State the group section being provided with for diameter transition between the first pipeline keeps gas flowing more stable using group section realization transition,
And help to reduce the pressure loss.
Preferably, in rocket supercharging flange and pipeline hot environment combined test device, the mixed stable voltage
The internal diameter of room is Φ 200mm, and the latus rectum of the pressure piping is Φ 50mm.
Preferably, in rocket supercharging flange and pipeline hot environment combined test device, the throttling venturi
For shrinkage type jet pipe, to improve pipeline pressure, the cross-sectional area of the shrinkage type jet pipe is according to predetermined Charge circuit pressure value
It is calculated with gas flow values, throttling venturi is designed by calculating.Pressure and flow are between sectional area needed for experiment
There is determining relationship.When experiment, design area is it is known that increase charge flow rate, when pipeline pressure reaches required pressure, flow
Also will just reach.
Preferably, in rocket supercharging flange and pipeline hot environment combined test device, the hot gas air inlet
It is provided with a hot gas sonic nozzle on mouthful, a cold air sonic nozzle is provided on the cold air air inlet；The hot gas air inlet
Also external hot gas pressure regulator valve；The also external cold air pressure regulator valve of the cold air air inlet.
Rocket supercharging flange is carried out using the device with pipeline hot environment Combined Trials to include the following steps：
(a) begin to warm up air after electro-arc heater scratch start, injected in mixed stable voltage room a certain proportion of cold air with
The thermal current of electro-arc heater outflow is mixed to required temperature, and sectional area and the supply gas pressure for adjusting sonic nozzle are cold to change
Air and heat throughput；
(b) thermal current sprays pipeline along pipeline after turning back twice, according to predetermined Charge circuit pressure value and gas stream
Magnitude calculation obtains throttling throatpiston product, and pipeline pressure is made to reach the analogue value；
(c) it maintains this air-flow to carry out washing away certification test for a long time with pipeline to supercharging flange, is surveyed using displacement sensor
Amount supercharging flange measures the Temperature Distribution of supercharging flange cylinder section using thermocouple temperature sensor vertically with horizontal direction displacement.
The invention has the advantages that：Use environment for supercharge method Lanzhou and Xinjiang and new geomery, with electric arc
It is to rely on to heat ground-testing plant, and the special construction for supercharging flange of combining closely and the specific demand of experiment are to electro-arc heater
Duct test device is designed, and solves the problems, such as that elongate conduit is expanded with heat and contract with cold, and successfully simulates rocket assist oxygen case supercharge method
Force effect is concentrated caused by high temperature pressurised gas pressure and the pressure piping expansion that orchid is awing born, to supercharging flange and pipe
Road has carried out hot environment Combined Trials, obtains the Temperature Distribution of supercharging flange cylinder section and the ess-strain situation of structure,
It is pressurized flange ring layout for rocket and provides important tests foundation.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structural schematic diagram that rocket provided by the invention is pressurized flange and pipeline hot environment combined test device.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
The present invention by electro-arc heater 1, mixed stable voltage room 2, group section 3, the first pipeline 4, test device 5, bellows 6,
It is pressurized flange 7, simulation tank 8, gas exhaust piping 9, throttling venturi 10 to form, the order of connection is as shown in Figure 1.
The present invention is by heating air of electro-arc heater 1 to 3000K or so, into mixed stable voltage room 2, in mixed stable voltage room
The 2 inner a certain proportion of cold airs of injection are mixed with the thermal current that upstream flows into required temperature, and mixed air-flow passes through switching
Section 3 flows into first pipe 4, and the temperature and pressure of air-flow is obtained by test device 5, and air-flow flows through supercharging flange 7 and turns back 90 °
Enter gas exhaust piping 9 afterwards, horizontal flow direction throttling venturi 10 after 90 ° of turning back again, due to the throttling action for the venturi 10 that throttles, pipeline
Interior pressure is stablized in the analogue value quickly, this air-flow is then maintained to carry out washing away examination examination for a long time to supercharging flange and pipeline
It tests.
10mm compensation is pre-stretched when the expanding with heat and contract with cold of pipeline is installed by bellows 6.
Using the set experimental rig, the elongate curved pipeline flowing of specific temperature, pressure and gas flow, success are realized
Caused by simulating the high temperature pressurised gas pressure and pressure piping expansion that rocket assist oxygen case supercharging flange is awing born
Force effect is concentrated, hot environment Combined Trials have been carried out with pipeline to supercharging flange, have obtained the temperature point of supercharging flange cylinder section
The ess-strain situation of cloth and structure.The experimental rig reasonable design, structure are reliable.
The present invention is not disclosed technology and belongs to common sense well known to those skilled in the art.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (1)
1. a kind of rocket supercharging flange and pipeline hot environment combined test device, which is characterized in that including：
There is a hot gas air inlet, a cold air air inlet and an outlet, the hot gas air inlet to be connected to electricity for mixed stable voltage room
The output end of arc heater；
Pressure piping comprising the first pipeline, supercharging flange and gas exhaust piping with the outlet, the supercharging flange packet
A first level part with first pipeline connection and one first vertical portion are included, the gas exhaust piping includes one second water
Flat part and one second vertical portion, second vertical portion are connect with first vertical portion, second horizontal part
The end divided is provided with a throttling venturi；
Test device comprising the air flow temperature sensor on first pipeline is set and detects gas in the pressure piping
The pressure sensor of the pressure value of body；
It is pressurized flange test device comprising be arranged in the vertical displacement sensor of the first level part and the first temperature biography
Sensor, and the horizontal displacement sensors and second temperature sensor that are arranged in first vertical portion；
Wherein；
Bellows is additionally provided between first pipeline and the supercharging flange, the natural length of the bellows is less than described
The installation length of bellows；First vertical portion is welded on a supporting rack；
The group section for diameter transition is provided between the outlet and first pipeline；
The internal diameter of the mixed stable voltage room is Φ 200mm, and the latus rectum of the pressure piping is Φ 50mm；
The throttling venturi is shrinkage type jet pipe, the cross-sectional area of the shrinkage type jet pipe according to predetermined Charge circuit pressure value and
Gas flow values are calculated；
It is provided with a hot gas sonic nozzle on the hot gas air inlet, cold air velocity of sound spray is provided on the cold air air inlet
Mouth；The also external hot gas pressure regulator valve of the hot gas air inlet；The also external cold air pressure regulator valve of the cold air air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612318.XA CN105115827B (en) | 2015-09-23 | 2015-09-23 | Rocket is pressurized flange and pipeline hot environment combined test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510612318.XA CN105115827B (en) | 2015-09-23 | 2015-09-23 | Rocket is pressurized flange and pipeline hot environment combined test device |
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| Publication Number | Publication Date |
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| CN105115827A CN105115827A (en) | 2015-12-02 |
| CN105115827B true CN105115827B (en) | 2018-09-14 |
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| CN201510612318.XA Active CN105115827B (en) | 2015-09-23 | 2015-09-23 | Rocket is pressurized flange and pipeline hot environment combined test device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116045110A (en) * | 2022-12-29 | 2023-05-02 | 北京天兵科技有限公司 | Oxygen self-generating pressurizing pipeline adapter, pressurizing system and production method of adapter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59222744A (en) * | 1983-06-01 | 1984-12-14 | Hitachi Ltd | High temperature tension tester |
| CN102434285A (en) * | 2011-11-21 | 2012-05-02 | 南京航空航天大学 | Special air bag-based axially-symmetrical deformable air inlet channel |
| CN202733256U (en) * | 2012-06-25 | 2013-02-13 | 武汉德威工程技术有限公司 | Axial ripple compensator |
| CN103592961B (en) * | 2013-09-24 | 2016-05-25 | 中国科学院力学研究所 | The kerosene oil flow control device of Supersonic combustion tests |
| CN104197143B (en) * | 2014-08-11 | 2016-04-27 | 陈墅庚 | Torch pipeline compensator |
| CN104632567B (en) * | 2014-12-04 | 2017-04-12 | 中国科学院力学研究所 | Electric arc heating device capable of generating ultra-high-speed airflow |
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