CN105352737B - A kind of ground based IR test platform - Google Patents
A kind of ground based IR test platform Download PDFInfo
- Publication number
- CN105352737B CN105352737B CN201510926940.8A CN201510926940A CN105352737B CN 105352737 B CN105352737 B CN 105352737B CN 201510926940 A CN201510926940 A CN 201510926940A CN 105352737 B CN105352737 B CN 105352737B
- Authority
- CN
- China
- Prior art keywords
- test platform
- air
- engine
- flow dividing
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 239000007921 spray Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- G01M15/02—Details or accessories of testing apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
Abstract
The invention discloses a kind of ground based IR test platform.The ground based IR test platform includes：Engine, the engine have engine jet pipe (1)；Part flow arrangement (2), the part flow arrangement (2) mutually has angled part flow arrangement gas outlet (22) with a part flow arrangement air inlet (21) and two, and the part flow arrangement air inlet (21) is connected with the engine jet pipe (1)；Wherein, the part flow arrangement (2) is used for the airflow diversion that will be transmitted at the engine jet pipe.It is used for double ground based IR test platforms for sending a manuscript to the compositor gas systematically face infrared test the invention provides a kind of, so as to solve the ground based IRs experiment that can not test double hair gas extraction system in the prior art.
Description
Technical Field
The invention relates to the technical field of engine testing, in particular to a ground infrared testing platform.
Background
The existing ground infrared test platform adopts a single engine form, the platform is mature in technology and convenient to maintain and supplies oil to the engine, but the ground infrared test of the double-engine exhaust system cannot be realized, the application range of the platform is limited, and the infrared stealth design and test of the double-engine exhaust system are also limited.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
It is an object of the present invention to provide a ground infrared test platform that overcomes or at least alleviates at least one of the above-mentioned disadvantages of the prior art.
In order to achieve the above object, the present invention provides a ground infrared test platform, which comprises: an engine having an engine nozzle; the flow dividing device is provided with a flow dividing device air inlet and two flow dividing device air outlets which have angles with each other, and the flow dividing device air inlet is connected with the engine spray pipe; the flow dividing device is used for dividing the air flow transmitted at the engine spray pipe.
Preferably, the shunting device is provided with sensors which are uniformly distributed on the shunting device; the sensor is used for testing the temperature and the pressure of the airflow in the flow dividing device.
Preferably, simulated engine blades and a simulated engine center cone are arranged at the air outlets of the two shunting devices of the shunting device.
Preferably, a heat insulation layer is arranged on the outer wall of the flow dividing device.
Preferably, the sensors include a pressure sensor and a temperature sensor.
Preferably, the air injection angle formed between the air outlets of the two flow dividing devices is 10 to 15 degrees.
Preferably, the flow dividing device comprises a gas inlet rectifying section, a flow dividing section and two gas outlet rectifying sections which are connected with each other, wherein the gas inlets of the flow dividing device are arranged on the gas inlet rectifying section, the number of the gas outlets of the flow dividing device is two, one of the gas outlets of the flow dividing device is arranged on one gas outlet rectifying section, and the gas outlet of the other flow dividing device is arranged on the other gas outlet rectifying section; and the air flows sprayed by the two air outlet rectifying sections are parallel to each other.
The invention provides a ground infrared test platform for ground infrared test of a double-engine exhaust system, thereby solving the problem that the ground infrared test of the double-engine exhaust system cannot be tested in the prior art.
Drawings
Fig. 1 is a structural diagram of a ground infrared test platform according to a first embodiment of the invention.
Reference numerals:
| 1 | engine jet pipe | 23 | Sensor with a sensor element |
| 2 | Flow divider | 24 | Simulated engine center cone |
| 22 | Air outlet of flow dividing device |
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Fig. 1 is a structural diagram of a ground infrared test platform according to a first embodiment of the invention.
The ground infrared test platform shown in fig. 1 comprises an engine and a flow dividing device 2, wherein the engine is provided with an engine spray pipe 1; the flow dividing device 2 is provided with a flow dividing device air inlet and two flow dividing device air outlets 22 with angles, and the flow dividing device air inlet is connected with the engine spray pipe 1; the flow dividing device 2 is used for dividing the air flow transmitted at the engine nozzle.
Referring to fig. 1, in the present embodiment, sensors 23 are disposed on the flow dividing device 2, and the sensors 23 are uniformly distributed on the flow dividing device 2; the sensor 23 is used to test the temperature and pressure of the air flow within the flow dividing means. In the present embodiment, the sensor 23 includes a pressure sensor and a temperature sensor. It will be appreciated that this allows the pressure and temperature within the flow divider to be monitored at any time. It will be appreciated that the more sensors are arranged, the more uniform the test results are.
In the present embodiment, the two splitter outlets 22 of the splitter 2 are provided with a simulated engine blade and a simulated engine center cone 24. In the present embodiment, the simulated engine center cone, the simulated engine blades simulate the high temperature components of a real engine.
In this embodiment, a heat insulation layer is disposed on the outer wall of the flow dividing device. The heat insulation layer is arranged to insulate the flow dividing device, so that the reduction of the temperature of the wall surface and the gas is avoided
In the embodiment, the air injection angle formed between the air outlets of the two flow dividing devices is 10 to 15 degrees.
In this embodiment, the flow dividing device includes an air inlet rectifying section, a flow dividing section and two air outlet rectifying sections connected to each other, wherein the air inlet of the flow dividing device is arranged in the air inlet rectifying section, the number of the air outlets of the flow dividing device is two, one of the air outlets of the flow dividing device is arranged in one air outlet rectifying section, and the air outlet of the other flow dividing device is arranged in the other air outlet rectifying section; the air flows sprayed out of the two air outlet rectifying sections are parallel to each other. The split-flow section and the air outlet rectification section realize that the mixed gas of the internal and external culverts of the engine is distributed to the double-emission exhaust system, and the air inlet rectification section ensures the pneumatic stability after the air flow is split.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A ground infrared test platform, characterized in that, ground infrared test platform includes:
an engine having an engine nozzle (1);
the flow dividing device (2) is provided with a flow dividing device air inlet and two flow dividing device air outlets (22) with angles, and the flow dividing device air inlet is connected with the engine spray pipe (1); wherein,
the flow dividing device (2) is used for dividing the air flow transmitted at the engine spray pipe.
2. The ground infrared test platform as recited in claim 1, characterized in that sensors (23) are disposed on the shunting device (2), and the sensors (23) are uniformly distributed on the shunting device (2); the sensor (23) is used for testing the temperature and the pressure of the airflow in the flow dividing device.
3. The ground infrared test platform as recited in claim 2, characterized in that simulated engine blades and simulated engine center cones (24) are arranged at the two splitter air outlets (22) of the splitter (2).
4. The ground infrared test platform as recited in claim 3, characterized in that the outer wall of the shunt device (2) is provided with a thermal insulation layer.
5. The ground infrared test platform as recited in claim 4, characterized in that the sensors (23) comprise pressure sensors and temperature sensors.
6. The ground infrared test platform as recited in claim 5, wherein the air injection angle formed between the air outlets of the two flow dividing devices is 10 to 15 degrees.
7. The ground infrared test platform as recited in claim 6, wherein the flow divider comprises an air inlet rectifying section, a flow dividing section and two air outlet rectifying sections connected to each other, wherein the flow divider air inlet is disposed in the air inlet rectifying section, and the flow divider air outlet is two, one of the flow divider air inlet is disposed in one air outlet rectifying section, and the other flow divider air outlet is disposed in the other air outlet rectifying section; and the air flows sprayed by the two air outlet rectifying sections are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926940.8A CN105352737B (en) | 2015-12-12 | 2015-12-12 | A kind of ground based IR test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926940.8A CN105352737B (en) | 2015-12-12 | 2015-12-12 | A kind of ground based IR test platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105352737A CN105352737A (en) | 2016-02-24 |
| CN105352737B true CN105352737B (en) | 2018-01-30 |
Family
ID=55328744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510926940.8A Active CN105352737B (en) | 2015-12-12 | 2015-12-12 | A kind of ground based IR test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105352737B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945385B (en) * | 2021-09-21 | 2024-04-09 | 中国航空工业集团公司西安飞机设计研究所 | Model system for jet engine and air inlet channel ground bench combined test |
| CN115290294B (en) * | 2022-10-08 | 2022-12-16 | 中国航空工业集团公司沈阳空气动力研究所 | Aerodynamic force and thrust force synchronous measurement double-nozzle model and measurement method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201604800U (en) * | 2009-10-13 | 2010-10-13 | 西北工业大学 | Jet engine and airplane air entraining passage integrated structure |
| CN102200479B (en) * | 2010-12-29 | 2013-01-23 | 中国人民解放军空军油料研究所 | Temperature field testing system for exhaust plume of engine analogue combustion device and testing method thereof |
| WO2012171105A1 (en) * | 2011-06-15 | 2012-12-20 | C.E.L. Energy Recuperation Inc. | Aircraft engine test cell comprising an energy recuperation system and method of recuperating energy from the aircraft engine |
| US9207148B2 (en) * | 2013-04-10 | 2015-12-08 | United Technologies Corporation | Combustor flameout detection logic |
| CN103993982A (en) * | 2014-04-25 | 2014-08-20 | 西北工业大学 | Double-S-bend infrared stealth spray pipe structure capable of achieving multi-direction thrust vector control |
| CN103983458B (en) * | 2014-05-12 | 2016-11-23 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of engines tail class session field method of testing |
-
2015
- 2015-12-12 CN CN201510926940.8A patent/CN105352737B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105352737A (en) | 2016-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204495535U (en) | 1.2 meters of magnitude wind-tunnel represent dynamically injectors | |
| CN106762147B (en) | A kind of engine anti-icing system | |
| CN105352737B (en) | A kind of ground based IR test platform | |
| US10625868B2 (en) | Bleed air heat ejectors | |
| CN106081155B (en) | A kind of anti-deicing system test simulator of aircraft | |
| ATE553848T1 (en) | MULTI-HOLE OR BUNDLE NOZZLE | |
| CN102830308A (en) | Integrated environment test device | |
| WO2014165154A3 (en) | Rear mounted wash manifold and process | |
| US20170268424A1 (en) | Internally Heated Engine Inlet Screen for Aircraft Engines | |
| JP2014153052A5 (en) | ||
| JP2015513367A5 (en) | ||
| WO2011121552A3 (en) | A junction device for a spray system | |
| CN105781790B (en) | A kind of curved two end number mixing exhaust systems of double S of segmentation reducing-pitch thread | |
| CN105275619B (en) | A kind of frost prevention method suitable for Aero-Space engine forecooler | |
| CN101985949A (en) | Bladeless fan device | |
| EP2759335A3 (en) | Fluid distribution and mixing grid for mixing gases | |
| CN204494828U (en) | A kind of injecting type atmospheric combustion device | |
| CN105758214B (en) | A kind of big temperature difference spraying temperature lowering apparatus of superhigh temperature | |
| CN204783321U (en) | Binary plug nozzle and have its engine system and aircraft | |
| RU2017104860A (en) | Sound-absorbing nozzles for heat input systems | |
| MX2017003733A (en) | Method and apparatus for artificial distribution of insects or spray. | |
| CN104634088A (en) | Hot air spray nozzle device of drying oven | |
| WO2018013394A3 (en) | Entrainment heat exchanger | |
| CN209013222U (en) | Smoke evacuation mouth structure and power station | |
| CN105728229A (en) | Rapid mist spray water drop average diameter estimation method based on nozzle power parameters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |