CN107796631A - A kind of stopper formula dipulse engine cold air impact experiment apparatus and its experimental method - Google Patents
A kind of stopper formula dipulse engine cold air impact experiment apparatus and its experimental method Download PDFInfo
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- CN107796631A CN107796631A CN201610801452.9A CN201610801452A CN107796631A CN 107796631 A CN107796631 A CN 107796631A CN 201610801452 A CN201610801452 A CN 201610801452A CN 107796631 A CN107796631 A CN 107796631A
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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
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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Abstract
The invention discloses a kind of stopper formula dipulse engine cold air impact experiment apparatus, including nitrogen cylinder, pressure-reducing valve, cold air impact gas storage mechanism, stopper formula dipulse engine, test device and several horizontal shores, nitrogen cylinder impacts gas storage mechanism with cold air by airway tube and is connected, the airway tube is provided with pressure-reducing valve, cold air impact gas storage mechanism is connected with stopper formula dipulse engine, test device is connected with stopper formula dipulse engine, and cold air impact gas storage mechanism and stopper formula dipulse engine are each attached on horizontal shore.The present invention is solved in stopper formula dipulse simulation of engine ignition pressurization process, the engineering roadblock that plug motion stream field influences after the effect of the level Time Isolation Unit pressure loss and level Time Isolation Unit opening.
Description
Technical field
The present invention relates to dipulse engine art, and in particular to a kind of stopper formula dipulse engine cold air impact experiment
Device and its experimental method.
Background technology
Since the past few decades, with the development of Aero-Space cause, master of the solid propellant rocket as rocket weapon
Power set are wanted to obtain sufficient development.In order to meet modern war to guided missile high maneuverability, high controllability, big tip speed
And the requirement of the index such as Far Range, therefore, the state such as the U.S., Japan, Canada since the sixties to dipulse solid-rocket
Engine technology has carried out comprehensive and systematic research work.
Foreign study person such as Naumann K W, Stadler L et al. enter for the experiment of concrete model dipulse engine
Go extensive research, but be mainly based upon dipulse engine stabilizer working stage engine performance and studied, and for
General replication experiment, its cost are prohibitively expensive.Research of the studies in China person to dipulse engine also achieves necessarily
Achievement, the Wang Zhanghui of BJ University of Aeronautics ＆ Astronautics, the Wang Wei of Northwestern Polytechnical University, Wang Chunguang, China Aerospace Science and Technology Corporation
Four research institute Liu Yu etc. have carried out one to dipulse engine ceramics compartment-type, metal film chip and soft interlayer type isolating device
Fixed experimental study, but most consider is research to engine structure intensity and level Time Isolation Unit sealing problem.
Because level Time Isolation Unit opening time is of short duration, substantially opened in ignition phase, scope hundreds of even between a few tens of milliseconds,
But the experimental study opened to dipulse engine ignition stage level Time Isolation Unit is still seldom related to.
For stopper formula dipulse engine, Zhang Weiqing et al. by the real-time fluorescent screen analytical technology of X ray high speed to starting
The opening of machine ignition process level Time Isolation Unit has carried out Primary Study, still can not be right due to the limitation of its experimental provision
Motion process and plug and combustion chamber wall surface and jet area contraction of the opening procedure and plug of level Time Isolation Unit in flow field
The collision process of section is effectively studied.
The content of the invention
It is an object of the invention to provide a kind of stopper formula dipulse engine cold air impact experiment apparatus and its experiment side
Method, solve in stopper formula dipulse simulation of engine ignition pressurization process, the effect of the level Time Isolation Unit pressure loss and level
The engineering roadblock that plug motion stream field influences after Time Isolation Unit is opened.
The technical solution for realizing the object of the invention is：A kind of stopper formula dipulse engine cold air impact experiment dress
Put, including nitrogen cylinder, pressure-reducing valve, cold air impact gas storage mechanism, stopper formula dipulse engine, test device and several levels
Support frame, nitrogen cylinder impact gas storage mechanism with cold air by airway tube and are connected, and the airway tube is provided with pressure-reducing valve, cold air impact
Gas storage mechanism is connected with stopper formula dipulse engine, and test device is connected with stopper formula dipulse engine, cold air impact storage
Mechanism of qi structure and stopper formula dipulse engine are each attached on horizontal shore.
The cold air impact gas storage mechanism includes air accumulator, air accumulator lock ring circle, group section, electric locking device and engine
Air accumulator is fixed on horizontal shore in gas storage tank wall by linkage section, air accumulator lock ring snare by air accumulator lock ring circle,
Electric locking device is fixed on group section, and group section one end is fixed using flange with air accumulator flange, the other end by flange with
One end of engine linkage section is connected, and the other end of engine linkage section is connected with stopper formula dipulse engine by screw thread.
The test device includes schlieren light path system, high speed camera, data collecting card, computer and several pressure
Sensor, several pressure sensor mounting holes, the pressure sensor installation are provided with stopper formula dipulse engine outer wall
Hole position is fixed on the pressure sensing by sensor installation seat respectively in level Time Isolation Unit both sides, several pressure sensors
In device mounting hole, I pulse combustor of stopper formula dipulse engine is placed in schlieren light path system, high speed camera is set
In the side away from schlieren light path system light source, pressure sensor connects capture card with high speed camera, capture card again with calculating
Machine connects.
Above-mentioned pressure sensor uses three, and corresponding pressure sensor mounting hole is three, and two of which is arranged at intervals
On stopper formula dipulse engine outer wall between level Time Isolation Unit and engine linkage section, the 3rd is isolated between level
On the stopper formula dipulse engine outer wall of device opposite side, and close to level Time Isolation Unit.
Also include engine support frame, stopper formula dipulse engine is consolidated by engine support frame and horizontal shore
Even.
The group section includes group section body, piston, striker, metallic membrane, ring flange, two pressure measurement seats and two surveys
Wedge blanking cover, group section body are pipe, and one end turns up to form flange arrangement, and ring flange is fixed on the another of group section body
End, is connected, group section body is symmetrically provided with two surveys close to one end outer wall of engine linkage section by ring flange and air accumulator
Wedge mounting hole, pressure measurement seat are threadedly secured in the pressure measurement seat mounting hole respectively, and pressure measurement seat blanking cover is by screw thread with surveying
Wedge is connected；Group section inner body wall is provided with three stage terraces, and the three stages terrace is close to pressure measurement seat mounting hole, and with starting
Machine linkage section heteropleural；Striker passes through piston centre, and is connected therewith, and striker and piston are arranged in group section body, and not
More than three stage terraces；Metallic membrane is positioned close on the step surface of pressure measurement seat mounting hole, and engine linkage section one end is stretched into
Group section body compresses metallic membrane, and the flange by turning up is connected.
I pulse combustor of the stopper formula dipulse engine is made of transparent material.
A kind of experimental method of stopper formula dipulse engine cold air impact experiment apparatus, comprises the following steps：
Step 1, it is sequentially connected nitrogen cylinder, pressure-reducing valve, air accumulator, group section, electric locking device, engine linkage section and stopper formula
Dipulse engine, and air accumulator and horizontal shore are connected by air accumulator lock ring circle, will by engine support frame 11
Stopper formula dipulse engine is connected with horizontal shore, and group section is fixed on horizontal shore, and sets test device.
Step 2, by group section and engine linkage section by flange screw metallic membrane, and seal air accumulator, opening subtracts
Pressure valve, the high pressure nitrogen in nitrogen cylinder pour into air accumulator, until air accumulator reaches pressure required for experiment, close pressure-reducing valve.
Step 3, electric locking device are closed under air accumulator inflated condition, treat that air accumulator reaches predetermined pressure
Afterwards, electric locking device is opened, striker in release plunger, bursting metallic membrane, and high pressure nitrogen moment discharges from air accumulator, through turning
Connect section and engine linkage section enters stopper formula dipulse engine.
Test device is started working before step 4, electric locking device work, diverse location pressure after electric locking device is opened
Institute's pressure measurement force signal is transformed into charge signal by sensor, and charge signal is transferred to data collecting card and forms voltage signal output,
Computer is transferred to again to be shown.
Step 5, the schlieren light path system and high speed camera to be worked simultaneously with test device, shooting stopper formula dipulse hair
Motion picture of the opening procedure and plug of the plug of motivation in I pulse combustor flow field, surveys data through data collecting card
Computer is transferred data to be shown.
After step 6, experiment terminate, group section and engine linkage section are pulled down, changes metallic membrane, utilizes flange screw gold
Belong to diaphragm seal air accumulator, reset test device；Return to step 2, is tested next time.
Compared with prior art, its remarkable advantage is the present invention：（1）Experimental provision with high pressure cold shock simulation every
Plug dipulse engine ignition process, by measuring pressure before and after grade Time Isolation Unit in real time, can preferably solve difference
The engineering roadblock that level Time Isolation Unit is difficult to measure to the loss of engine ignition staged pressure.
（2）I pulse combustor of stopper formula dipulse engine is designed to high transparency form, with High-speed Schlieren Technique energy
It is enough preferably to the opening and plug of stopper formula dipulse engine ignition procedure level Time Isolation Unit in I pulse combustor
Kinetic characteristic carry out visual research, compensate for the deficiencies in the prior art.
（3）This experimental provision is simple in construction, easy to operate, has higher repeatability, by change air accumulator pressure,
Engine linkage section bore, analog drug column dimension and level Time Isolation Unit structure can meet different mouths under different working conditions
The cold air impact experiment requirement of footpath engine.
Brief description of the drawings
Fig. 1 is stopper formula dipulse engine cold air impact experiment apparatus overall structure diagram of the present invention.
Fig. 2 is that stopper formula dipulse engine cold air of the present invention impacts schlieren light path system diagram intention.
Fig. 3 is the group section schematic diagram of stopper formula dipulse engine cold air impact experiment apparatus of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
With reference to Fig. 1 to Fig. 3, a kind of stopper formula dipulse engine cold air impact experiment apparatus, including nitrogen cylinder 1, decompression
Valve 2, cold air impact gas storage mechanism, stopper formula dipulse engine 9, test device and three horizontal shores 5, nitrogen cylinder 1 are logical
Cross airway tube to be connected with cold air impact gas storage mechanism, the airway tube is provided with pressure-reducing valve 2, cold air impact gas storage mechanism and stopper
Formula dipulse engine 9 is connected, and test device is connected with stopper formula dipulse engine 9, cold air impact gas storage mechanism and stopper
Formula dipulse engine 9 is each attached on horizontal shore 5.
The cold air impact gas storage mechanism includes air accumulator 3, air accumulator lock ring circle 4（It is purchased in market）, group section 6, electric latching
Device 7 and engine linkage section 8, air accumulator lock ring circle 4 are enclosed on the outer wall of air accumulator 3, are consolidated air accumulator 3 by air accumulator lock ring circle 4
Due on horizontal shore 5, electric locking device 7 is fixed on group section 6, and the one end of group section 6 is using flange and the flange of air accumulator 3
Fixed, the other end is connected by one end of flange and engine linkage section 8, and the other end and stopper formula of engine linkage section 8 are double
Pulsed motor 9 is connected by screw thread.
The engine linkage section 8 is pipe, and one end diameter is small, and the small one end of diameter is provided with ring flange, with group section 6
The flange that turns up is connected, and the other end is connected by screw thread and stopper formula dipulse engine 9.
If the test device include schlieren light path system 12, high speed camera 13, data collecting card 14, computer 15 and
A pressure sensor 10 is done, several pressure sensor mounting holes, the pressure are provided with the outer wall of stopper formula dipulse engine 9
Sensor mounting hole is located at level Time Isolation Unit both sides, and several pressure sensors 10 are fixed on by sensor installation seat respectively
In the pressure sensor mounting hole, I pulse combustor of stopper formula dipulse engine 9 is placed in schlieren light path system 12
In, high speed camera 13 is arranged far from the side of the light source of schlieren light path system 12, and pressure sensor 10 and high speed camera 13 connect
Capture card 14 is connect, capture card 14 is connected with computer 15 again.
As shown in Figure 2（Wherein S is light source）, the schlieren light path system 12 China et al. in smooth《Stration technique is used
In detonation and Shock wave physics experimental study》In it is disclosed, schlieren light path system 12 combines with high speed camera 13, can be very
Motion, observation of the good display level Time Isolation Unit opening procedure flow field, shock front and high speed plug in transparent medium
The wave system situation of plug under motion state on stopper surface etc..I pulse combustor of stopper formula dipulse engine 9 is arranged on
Between two lens for stating schlieren light path system 12.
Above-mentioned pressure sensor 10 uses three, and corresponding pressure sensor mounting hole is three, and two of which interval is set
Put on the outer wall of stopper formula dipulse engine 9 between level Time Isolation Unit and engine linkage section 8, the 3rd between level
On the outer wall of stopper formula dipulse engine 9 of isolating device opposite side, and close to level Time Isolation Unit.
Also include engine support frame 11（It is purchased in market）, stopper formula dipulse engine 9 passes through engine support frame 11 and water
Flat support frame 5 is connected.
The group section 6 includes group section body 6-2, piston 6-3, striker 6-4, metallic membrane 6-6, ring flange 6-1, two
Individual pressure measurement seat 6-5 and two pressure measurement seat blanking cover 6-7, group section body 6-2 are pipe, and one end turns up to form flange arrangement, flange
Disk 6-1 is fixed on the group section body 6-2 other end, is connected by ring flange 6-1 and air accumulator 3, group section body 6-2 is close
One end outer wall of engine linkage section 8 is symmetrically provided with two pressure measurement seat mounting holes, and pressure measurement seat 6-5 is threadedly secured to institute respectively
State in pressure measurement seat mounting hole, pressure measurement seat blanking cover 6-7 is connected by screw thread and pressure measurement seat 6-5；Group section body 6-2 inwalls are provided with three
Stage terrace, the three stages terrace close to pressure measurement seat mounting hole, and with the heteropleural of engine linkage section 8；Striker 6-4 passes through piston
6-3 centers, and be connected therewith, striker 6-4 and piston 6-3 are arranged in group section body 6-2, and are no more than three stage ranks
Face；Metallic membrane 6-6 is positioned close on the step surface of pressure measurement seat mounting hole, and group section sheet is stretched into the one end of engine linkage section 8
Body 6-2 compresses metallic membrane 6-6, and the flange by turning up is connected, and connected intensity can directly meet under experimental condition to cold
Gas impacts the requirement of gas storage mechanism seals.
I pulse combustor of the stopper formula dipulse engine 9 is made of transparent material.
A kind of experimental method of stopper formula dipulse engine cold air impact experiment apparatus, comprises the following steps：
Step 1, it is sequentially connected nitrogen cylinder 1, pressure-reducing valve 2, air accumulator 3, group section 6, electric locking device 7, the and of engine linkage section 8
Stopper formula dipulse engine 9, and air accumulator 3 and horizontal shore 5 are connected by air accumulator lock ring circle 4, pass through engine
Stopper formula dipulse engine 9 is connected by support frame 11 with horizontal shore 5, and group section 6 is fixed on horizontal shore 5, and
Test device is set.
Step 2, by group section 6 and engine linkage section 8 by flange screw metallic membrane 6-5, and seal air accumulator 3,
Pressure-reducing valve 2 is opened, the high pressure nitrogen in nitrogen cylinder 1 pours into air accumulator 3, until air accumulator 3 reaches pressure required for experiment, closes
Pressure-reducing valve 2.
Step 3, electric locking device 7 are closed under the inflated condition of air accumulator 3, treat that air accumulator 3 reaches pre- level pressure
Qiang Hou, electric locking device 7 are opened, striker 6-4 in release plunger 6-3, bursting metallic membrane 6-6, and high pressure nitrogen moment is from gas storage
Discharged in tank 3, enter stopper formula dipulse engine 9 through group section 6 and engine linkage section 8.
Test device is started working before step 4, electric locking device 7 work, diverse location pressure after electric locking device 7 is opened
Institute's pressure measurement force signal is transformed into charge signal by force snesor 10, and charge signal is transferred to data collecting card 14 and forms voltage signal
Output, then be transferred to computer 15 and shown.
Step 5, the schlieren light path system 12 and high speed camera 13 to be worked simultaneously with test device, the double arteries and veins of shooting stopper formula
The motion picture of the opening procedure and plug of the plug of engine 9 in I pulse combustor flow field is rushed, data is surveyed and is adopted through data
Truck 14 transfers data to computer 15 and shown.
After step 6, experiment terminate, group section 6 and engine linkage section 8 are pulled down, metallic membrane 6-6 is changed, utilizes flange
Metallic membrane 6-6 sealing air accumulators 3 are compressed, reset test device；Return to step 2, is tested next time.
Claims (8)
- A kind of 1. stopper formula dipulse engine cold air impact experiment apparatus, it is characterised in that：Including nitrogen cylinder（1）, pressure-reducing valve （2）, cold air impact gas storage mechanism, stopper formula dipulse engine（9）, test device and several horizontal shores（5）, nitrogen Bottle（1）Gas storage mechanism is impacted by airway tube with cold air to be connected, the airway tube is provided with pressure-reducing valve（2）, cold air impact gas storage Mechanism and stopper formula dipulse engine（9）It is connected, test device and stopper formula dipulse engine（9）Connection, cold air impact Gas storage mechanism and stopper formula dipulse engine（9）It is each attached to horizontal shore（5）On.
- 2. stopper formula dipulse engine cold air impact experiment apparatus according to claim 1, it is characterised in that：It is described cold Gas impact gas storage mechanism includes air accumulator（3）, air accumulator lock ring circle（4）, group section（6）, electric locking device（7）Connect with engine Connect section（8）, air accumulator lock ring circle（4）It is enclosed on air accumulator（3）Outer wall, pass through air accumulator lock ring circle（4）By air accumulator（3）It is fixed on Horizontal shore（5）On, electric locking device（7）It is fixed on group section（6）On, group section（6）One end uses flange and air accumulator （3）Flange is fixed, and the other end passes through flange and engine linkage section（8）One end be connected, engine linkage section（8）The other end With stopper formula dipulse engine（9）It is connected by screw thread.
- 3. stopper formula dipulse engine cold air impact experiment apparatus according to claim 1, it is characterised in that：The survey Trial assembly is put including schlieren light path system（12）, high speed camera（13）, data collecting card（14）, computer（15）With several pressures Force snesor（10）, stopper formula dipulse engine（9）Several pressure sensor mounting holes are provided with outer wall, the pressure passes Sensor mounting hole site is in level Time Isolation Unit both sides, several pressure sensors（10）It is fixed on respectively by sensor installation seat In the pressure sensor mounting hole, by stopper formula dipulse engine（9）I pulse combustor be placed in schlieren light path system （12）In, high speed camera（13）It is arranged far from schlieren light path system（12）The side of light source, pressure sensor（10）And height Fast camera（13）Connect capture card（14）, capture card（14）Again with computer（15）Connection.
- 4. stopper formula dipulse engine cold air impact experiment apparatus according to claim 3, it is characterised in that：Above-mentioned pressure Force snesor（10）Using three, corresponding pressure sensor mounting hole is three, and two of which is isolated between being disposed on level Device and engine linkage section（8）Between stopper formula dipulse engine（9）On outer wall, the 3rd is located at level Time Isolation Unit The stopper formula dipulse engine of opposite side（9）On outer wall, and close to level Time Isolation Unit.
- 5. stopper formula dipulse engine cold air impact experiment apparatus according to claim 1, it is characterised in that：Also include Engine support frame（11）, stopper formula dipulse engine（9）Pass through engine support frame（11）With horizontal shore（5）Gu Even.
- 6. stopper formula dipulse engine cold air impact experiment apparatus according to claim 1, it is characterised in that：Described turn Connect section（6）Including group section body（6-2）, piston（6-3）, striker（6-4）, metallic membrane（6-6）, ring flange（6-1）, two Pressure measurement seat（6-5）With two pressure measurement seat blanking covers（6-7）, group section body（6-2）For pipe, one end turns up to form flange arrangement, Ring flange（6-1）It is fixed on group section body（6-2）The other end, pass through ring flange（6-1）With air accumulator（3）It is connected, switching Duan Benti（6-2）Close to engine linkage section（8）One end outer wall be symmetrically provided with two pressure measurement seat mounting holes, pressure measurement seat（6-5） It is threadedly secured to respectively in the pressure measurement seat mounting hole, pressure measurement seat blanking cover（6-7）Pass through screw thread and pressure measurement seat（6-5）Gu Even；Group section body（6-2）Inwall is provided with three stage terraces, and the three stages terrace is close to pressure measurement seat mounting hole, and with starting Machine linkage section（8）Heteropleural；Striker（6-4）Through piston（6-3）Center, and be connected therewith, striker（6-4）And piston（6-3） It is arranged on group section body（6-2）It is interior, and it is no more than three stage terraces；Metallic membrane（6-6）It is positioned close to the installation of pressure measurement seat On the step surface in hole, engine linkage section（8）Group section body is stretched into one end（6-2）Compress metallic membrane（6-6）, and by outer The flange turned over is connected.
- 7. stopper formula dipulse engine cold air impact experiment apparatus according to claim 1, it is characterised in that：It is described every Plug dipulse engine（9）I pulse combustor be made of transparent material.
- 8. the experimental method of stopper formula dipulse engine cold air impact experiment apparatus according to claim 1, its feature It is, comprises the following steps：Step 1, it is sequentially connected nitrogen cylinder（1）, pressure-reducing valve（2）, air accumulator（3）, group section（6）, electric locking device（7）, start Machine linkage section（8）With stopper formula dipulse engine（9）, and pass through air accumulator lock ring circle（4）By air accumulator（3）With horizontal support Frame（5）It is connected, passes through engine support frame（11）By stopper formula dipulse engine（9）With horizontal shore（5）It is connected, switching Section（6）It is fixed on horizontal shore（5）On, and test device is set；Step 2, by group section（6）With engine linkage section（8）Pass through flange screw metallic membrane（6-6）, and seal air accumulator （3）, open pressure-reducing valve（2）, nitrogen cylinder（1）In high pressure nitrogen pour into air accumulator（3）, until air accumulator（3）Reach experiment institute Pressure is needed, closes pressure-reducing valve（2）；Step 3, electric locking device（7）In air accumulator（3）It is closed under inflated condition, treats air accumulator（3）Reach predetermined After pressure, electric locking device（7）Open, release plunger（6-3）Middle striker（6-4）, bursting metallic membrane（6-6）, high pressure nitrogen Moment is from air accumulator（3）Middle release, through group section（6）And engine linkage section（8）Into stopper formula dipulse engine（9）；Step 4, electric locking device（7）Test device is started working before work, electric locking device（7）Diverse location pressure after unlatching Force snesor（10）Institute's pressure measurement force signal is transformed into charge signal, charge signal is transferred to data collecting card（14）Form voltage Signal output, then it is transferred to computer（15）Shown；Step 5, the schlieren light path system to be worked simultaneously with test device（12）And high speed camera（13）, the double arteries and veins of shooting stopper formula Rush engine（9）Plug motion picture in I pulse combustor flow field of opening procedure and plug, survey data through data Capture card（14）Transfer data to computer（15）Shown；After step 6, experiment terminate, group section is pulled down（6）With engine linkage section（8）, change metallic membrane（6-6）, utilization method Orchid compresses metallic membrane（6-6）Seal air accumulator（3）, reset test device；Return to step 2, is tested next time.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374307A (en) * | 2018-10-18 | 2019-02-22 | 南京理工大学 | A kind of visualization cold air impact experiment apparatus |
| CN110132761A (en) * | 2019-05-06 | 2019-08-16 | 南京理工大学 | The measuring device of pressure needed for metallic membrane is realized pressure-bearing and ruptured |
| CN118066570A (en) * | 2024-04-17 | 2024-05-24 | 中国空气动力研究与发展中心空天技术研究所 | Stamping rotary detonation combustion chamber capable of realizing PLIF optical observation of circular section flow passage |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4570124A (en) * | 1984-02-07 | 1986-02-11 | Fuchs Richard W | Ignition system test/diagnostic instrument |
| CN105606368A (en) * | 2016-02-03 | 2016-05-25 | 中国空空导弹研究院 | Solid rocket engine gas flow adjustment cold-flow and hot-flow ground test systems |
-
2016
- 2016-09-05 CN CN201610801452.9A patent/CN107796631A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4570124A (en) * | 1984-02-07 | 1986-02-11 | Fuchs Richard W | Ignition system test/diagnostic instrument |
| CN105606368A (en) * | 2016-02-03 | 2016-05-25 | 中国空空导弹研究院 | Solid rocket engine gas flow adjustment cold-flow and hot-flow ground test systems |
Non-Patent Citations (3)
| Title |
|---|
| 何凡 等: "D1-固体火箭发动机冷气冲击瞬态内流场分析", 《固体火箭技术》 * |
| 何凡 等: "固体火箭发动机冷气冲击瞬态内流场分析", 《固体火箭技术》 * |
| 马静: "超燃冲压发动机内流通道冷态流场的PIV试验研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374307A (en) * | 2018-10-18 | 2019-02-22 | 南京理工大学 | A kind of visualization cold air impact experiment apparatus |
| CN110132761A (en) * | 2019-05-06 | 2019-08-16 | 南京理工大学 | The measuring device of pressure needed for metallic membrane is realized pressure-bearing and ruptured |
| CN110132761B (en) * | 2019-05-06 | 2021-11-09 | 南京理工大学 | Use method of measuring device for realizing pressure required by pressure bearing and rupture of metal diaphragm |
| CN118066570A (en) * | 2024-04-17 | 2024-05-24 | 中国空气动力研究与发展中心空天技术研究所 | Stamping rotary detonation combustion chamber capable of realizing PLIF optical observation of circular section flow passage |
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Application publication date: 20180313 |