CN207095818U - A kind of conventional hypersonic wind tunnel device - Google Patents
A kind of conventional hypersonic wind tunnel device Download PDFInfo
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- CN207095818U CN207095818U CN201721079043.9U CN201721079043U CN207095818U CN 207095818 U CN207095818 U CN 207095818U CN 201721079043 U CN201721079043 U CN 201721079043U CN 207095818 U CN207095818 U CN 207095818U
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Abstract
The utility model provides a kind of conventional hypersonic wind tunnel device, including：For compressing pure air, the compressor set of high pressure draught is formed；Compressor set output end is connected, room is stayed for stable high voltage air-flow；For the heater to being heated in indoor pressure-air；For carrying out the test section of wind tunnel test.The utility model reduces the preheating power consumption of experimental wind flow with heat pump techniques, and integrated artistic saves, and experimental cost is relatively low；And the heat exchange efficiency of source pump and Electric heating is high, temperature control is more flexible.
Description
Technical field
It the utility model is related to aerodynamics and thermodynamics field, and in particular to a kind of conventional hypersonic wind tunnel dress
Put.
Background technology
Wind-tunnel (wind tunnel) is wind tunnel laboratory, is that to produce and control in a manual manner air-flow hypersonic
Wind-tunnel is wind-tunnel of the Mach number M of wind tunnel experiment section air-flow between 5~14.
Inst. of Mechanics, CAS researcher Jiang Zonglin is succeeded in developing with founding hypersonic reproduction Wind Tunnel Technique
JF12 reappears wind-tunnel, wins 2016 annual American Institute of Aeronautics and Astronautics's ground experiment prize (AIAA Ground testing Award
For 2016), turn into the award institution four the first prize-winning Asia scholar during the last ten years.
In hypersonic wind tunnel, high pressure draught is by forming high Mach air-flow after accelerated expansion, with this also along with gas
Stream temperature drastically reduces, and causes to occur to condense phenomenon in test chamber experimental wind flow, this is not fair in wind tunnel simulation
Perhaps.In order to eliminate the phenomenon, method the most frequently used at present is exactly that experimental wind flow is preheated before the stable section of wind-tunnel.
The heating technique used on conventional hypersonic wind tunnel has the various ways such as electrothermal, fuel oil, combustion type.It is wherein electric
Hot type due to its firing rate it is fast, it is pollution-free, be easy to control the advantages that, it is pre-warmed to be typically used to conventional hypersonic wind tunnel
Mode；But electrothermal mainly consumes electric energy, converts electrical energy into heat energy, so as to be heated to air-flow, its heating power exists
50MW or so causes experimental cost to raise, there is an urgent need to improved, it is necessary to consume a large amount of electric energy.
Utility model content
To solve the above problems, the utility model provides a kind of conventional hypersonic wind tunnel device, to reduce electric energy damage
Consumption, save experimentation cost.
To realize the technical purpose, the technical solution of the utility model is：A kind of conventional hypersonic wind tunnel device, bag
Include：
Compressor set, the compressor set are used to compress pure air, form high pressure draught；
In room, the compressor set of connection in the room output end, for stable high voltage air-flow；
Heater, the heater are used for being heated in indoor pressure-air；
Stable section and test section, the stable section carry out output extremely examination after rectification to the high pressure draught after heating devices heat
Section is tested, wind tunnel test is carried out in the test section.
Further, the heater includes：
Source pump, connected by pipeline with valve it is described stay room, for being preheated to compressed air stream；
Reheater, source pump output end is connected, for being heated again to compressed air stream.
Further, the source pump includes：
Condenser, it is installed in the pipeline, is exchanged heat for high pressure draught；
Forced convertion blower fan, it is installed in the pipeline, and air-flow output is right against condenser, is changed for improving condenser
The thermal efficiency；
Compressor and evaporator, it is installed on outside the pipeline, condenser is connected by refrigerant circulation pipe, for condensation
Device provides high temperature refrigerant.
Further, the forced convertion assembling is between the valve and the condenser；And forced convertion blower fan
Air-flow outbound course with it is described consistent in the high pressure draught direction of room to condenser.
Further, the condenser and forced convertion blower fan are made of heat-resistant titanium alloy material；It is and the condenser, strong
Convection flow fan processed, the refrigerant circulation tube outer surface intensity in pipeline are more than 10MPa, and heat resisting temperature scope is in 300-
500℃。
As it is of the present utility model preferably, it is described to stay indoor setting air gauge；The opening and closing of the valve are by air pressure
Table controls.
Further, the reheater is electric heater unit, and heating power is between 30-50MW；Temperature sensor is set
In in reheater, temperature sensor measurement high pressure draught temperature simultaneously feeds back to reheater.
Further, hypersonic nozzle is set between stable section and test section；Hypersonic nozzle Mach number 5-8 it
Between, outlet diameter is between 1000-1200mm.
Further, the test section for closing wind-tunnel, and air-flow output pass sequentially through expansion segment boosted, injection exhaust
Device carries out cooling reduction of speed, sound damping tower carries out noise reduction heel row into air.
The beneficial effects of the utility model are：
The utility model reduces the preheating power consumption of experimental wind flow with heat pump techniques, integrated artistic energy-conservation, tests into
This is relatively low；And the heat exchange efficiency of source pump and Electric heating is high, temperature control is more flexible.
Brief description of the drawings
Fig. 1 is overall structure block diagram of the present utility model.
Embodiment
The technical solution of the utility model will be clearly and completely described below.
As shown in figure 1, a kind of conventional hypersonic wind tunnel device, including：
Compressor set, the compressor set are used to compress pure air, form high pressure draught；
In room, the compressor set of connection in the room output end, for stable high voltage air-flow；
Heater, the heater are used for being heated in indoor pressure-air；
Stable section and test section, the stable section carry out output extremely examination after rectification to the high pressure draught after heating devices heat
Section is tested, wind tunnel test is carried out in the test section.
Further, the heater includes：
Source pump, connected by pipeline with valve it is described stay room, for being preheated to compressed air stream；
Reheater, source pump output end is connected, for being heated again to compressed air stream.
Further, the source pump includes：
Condenser, it is installed in the pipeline, is exchanged heat for high pressure draught；
Forced convertion blower fan, it is installed in the pipeline, and air-flow output is right against condenser, is changed for improving condenser
The thermal efficiency；
Compressor and evaporator, it is installed on outside the pipeline, condenser is connected by refrigerant circulation pipe, for condensation
Device provides high temperature refrigerant.
Further, the forced convertion assembling is between the valve and the condenser；And forced convertion blower fan
Air-flow outbound course with it is described consistent in the high pressure draught direction of room to condenser.The forced convertion blower fan is frequency conversion type wind
Machine, frequency conversion can be carried out according to high pressure draught atmospheric pressure value size, condenser heat exchange is improved while stable high voltage air-flow atmospheric pressure value
Efficiency.
Further, the condenser and forced convertion blower fan are made of heat-resistant titanium alloy material；It is and the condenser, strong
Convection flow fan processed, the refrigerant circulation tube outer surface intensity in pipeline are more than 10MPa, and heat resisting temperature scope is in 300-
500 DEG C, allow its steady operation under high pressure draught environment again.
As it is of the present utility model preferably, it is described to stay indoor setting air gauge；The opening and closing of the valve are by air pressure
Table controls.
Further, the reheater is electric heater unit, and heating power is between 30-50MW；Temperature sensor is set
In in reheater, temperature sensor measurement high pressure draught temperature simultaneously feeds back to reheater.
Further, hypersonic nozzle is set between stable section and test section；Hypersonic nozzle Mach number 5-8 it
Between, outlet diameter is between 1000-1200mm.
Further, the test section for closing wind-tunnel, and air-flow output pass sequentially through expansion segment boosted, injection exhaust
Device carries out cooling reduction of speed, sound damping tower carries out noise reduction heel row into air.
Implementation steps of the present utility model are as follows：
When valve is closed, clean gas flow carries out air compression by compressor set, and pressure-air constantly enters to enter after compression
Room, stabilization, static high pressure draught finally are being formed in room, when air pressure in room reaches predetermined threshold value, valve is opened, heat pump machine
Group work, thermal source is provided to condenser by the compressor outside pipeline and evaporator, high pressure draught is preheated.
High pressure draught after preheating is heated again by the variable reheater of heating power so that high pressure draught
Reach stable temperature so that high pressure draught reaches hypersonic nozzle entry condition, and high-temperature high-pressure air flow is entered by stable section
Enter the acceleration of hypersonic nozzle rapid expanding, ultimately form high velocity air and carry out model test, the gas after experiment into test section
Stream is boosted by expansion segment, is arranged finally by noise reduction after injection exhaust apparatus cooling reduction of speed to air.
The utility model unspecified part belongs to general knowledge as well known to those skilled in the art；For the ordinary skill of this area
For personnel, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (9)
- A kind of 1. conventional hypersonic wind tunnel device, it is characterised in that including：Compressor set, the compressor set are used to compress pure air, form high pressure draught；In room, the compressor set of connection in the room output end, for stable high voltage air-flow；Heater, the heater are used for being heated in indoor pressure-air；Stable section and test section, the stable section carry out output extremely experiment after rectification to the high pressure draught after heating devices heat Section, carries out wind tunnel test in the test section.
- A kind of 2. conventional hypersonic wind tunnel device according to claim 1, it is characterised in that the heater bag Include：Source pump, connected by pipeline with valve it is described stay room, for being preheated to compressed air stream；Reheater, source pump output end is connected, for being heated again to compressed air stream.
- A kind of 3. conventional hypersonic wind tunnel device according to claim 2, it is characterised in that the source pump bag Include：Condenser, it is installed in the pipeline, is exchanged heat for high pressure draught；Forced convertion blower fan, it is installed in the pipeline, and air-flow output is right against condenser, for improving condenser heat exchange effect Rate；Compressor and evaporator, it is installed on outside the pipeline, condenser is connected by refrigerant circulation pipe, for being carried to condenser For high temperature refrigerant.
- A kind of 4. conventional hypersonic wind tunnel device according to claim 3, it is characterised in that the forced convertion blower fan It is installed between the valve and the condenser；And the air-flow outbound course of forced convertion blower fan and the room of staying are to condenser High pressure draught direction it is consistent.
- 5. a kind of conventional hypersonic wind tunnel device according to claim 4, it is characterised in that the condenser and pressure Convection flow fan is made of heat-resistant titanium alloy material；And the condenser, forced convertion blower fan, the refrigerant in pipeline follow Endless tube appearance surface intensity is more than 10MPa, and heat resisting temperature scope is at 300-500 DEG C.
- 6. a kind of conventional hypersonic wind tunnel device according to claim 2, it is characterised in that described to stay indoor setting gas Press table；The opening and closing of the valve are controlled by air gauge.
- 7. a kind of conventional hypersonic wind tunnel device according to claim 2, it is characterised in that the reheater adds for electricity Thermal, and heating power is between 30-50MW；Temperature sensor is set in reheater, temperature sensor measurement high pressure gas Stream temperature simultaneously feeds back to reheater.
- A kind of 8. conventional hypersonic wind tunnel device according to claim 1, it is characterised in that stable section and test section it Between hypersonic nozzle is set；Hypersonic nozzle Mach number is between 5-8, and outlet diameter is between 1000-1200mm.
- 9. a kind of conventional hypersonic wind tunnel device according to claim 1, it is characterised in that the test section is closing Wind-tunnel, and air-flow output pass sequentially through expansion segment is boosted, injection exhaust apparatus carries out cooling reduction of speed, sound damping tower carry out noise reduction Heel row is into air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721079043.9U CN207095818U (en) | 2017-08-25 | 2017-08-25 | A kind of conventional hypersonic wind tunnel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721079043.9U CN207095818U (en) | 2017-08-25 | 2017-08-25 | A kind of conventional hypersonic wind tunnel device |
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| Publication Number | Publication Date |
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| CN207095818U true CN207095818U (en) | 2018-03-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543679A (en) * | 2017-08-25 | 2018-01-05 | 同度能源科技（江苏）股份有限公司 | A kind of conventional hypersonic wind tunnel device and its heating technique of air-flow in room |
| CN111238760A (en) * | 2020-01-19 | 2020-06-05 | 中国空气动力研究与发展中心超高速空气动力研究所 | Low-density wind tunnel overall layout structure based on electric arc heating |
| CN111380665A (en) * | 2020-05-06 | 2020-07-07 | 中国空气动力研究与发展中心超高速空气动力研究所 | Method for reducing scouring damage of hypersonic wind tunnel tail gas to test model sensor |
| CN116213364A (en) * | 2023-05-11 | 2023-06-06 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Automatic wet gas cleaning method and system for large low-temperature wind tunnel |
-
2017
- 2017-08-25 CN CN201721079043.9U patent/CN207095818U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543679A (en) * | 2017-08-25 | 2018-01-05 | 同度能源科技（江苏）股份有限公司 | A kind of conventional hypersonic wind tunnel device and its heating technique of air-flow in room |
| CN111238760A (en) * | 2020-01-19 | 2020-06-05 | 中国空气动力研究与发展中心超高速空气动力研究所 | Low-density wind tunnel overall layout structure based on electric arc heating |
| CN111380665A (en) * | 2020-05-06 | 2020-07-07 | 中国空气动力研究与发展中心超高速空气动力研究所 | Method for reducing scouring damage of hypersonic wind tunnel tail gas to test model sensor |
| CN111380665B (en) * | 2020-05-06 | 2021-09-03 | 中国空气动力研究与发展中心超高速空气动力研究所 | Method for reducing scouring damage of hypersonic wind tunnel tail gas to test model sensor |
| CN116213364A (en) * | 2023-05-11 | 2023-06-06 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Automatic wet gas cleaning method and system for large low-temperature wind tunnel |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211103 Address after: 215300 No. 89, Baoyi Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Tongyi Energy Technology Co.,Ltd. Address before: 215300 No. 560 gangpu Road, Zhangpu Town, Kunshan, Suzhou, Jiangsu Patentee before: TONGDU ENERGY TECHNOLOGY (JIANGSU) CO.,LTD. |
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| TR01 | Transfer of patent right |