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Influence of the Collector on the Experimental Matching of Chamber Pressure in High Temperature Gas Flow Wind Tunnel
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Biao WANG1, Zhihong CAO1, Yanliang LI1, Ning TIAN1, Ling ZHAO1, 2
Missiles and Space Vehicles | 2024, 47(2) : 80 - 85
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Missiles and Space Vehicles | 2024, 47(2): 80-85
• Environment and Test •
Influence of the Collector on the Experimental Matching of Chamber Pressure in High Temperature Gas Flow Wind Tunnel
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Biao WANG1, Zhihong CAO1, Yanliang LI1, Ning TIAN1, Ling ZHAO1, 2
Affiliations
  • 1Beijing Institute of Space Long March Vehicle,Beijing,100076
  • 2Institute of Aero Engine, Tsinghua University,Beijing,100084
Published: 2024-04-25 doi: 10.7654/j.issn.2097-1974.20240213
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Aiming at the damage problem of experimental facilities caused by unsteady chamber pressure in experiment of high temperature gas flow wind tunnel, the mechanism of the influence of collector positions and dimensions on the stability of experimental flow field is studied. Study mainly focuses on the interaction between the waves and separated vortexes. Utilizing CFD method, the pressure distribution is obtained in the chamber. Then the relationship between the interaction of the waves and separated vortexes and experimental stability are also explored, which will provide a reference for the optimal design of the collector. The results show that appropriate collector position and reasonable collector dimensions can reduce the overflow in the chamber. It can also avoid the separated vortex dominating the collector port, and increase the flow of mainstream. It is helpful to the conduction of experiment.

high temperature wind tunnel  /  diffuser  /  collector  /  chamber pressure  /  interaction between waves and vortexes
Biao WANG, Zhihong CAO, Yanliang LI, Ning TIAN, Ling ZHAO. Influence of the Collector on the Experimental Matching of Chamber Pressure in High Temperature Gas Flow Wind Tunnel[J]. Missiles and Space Vehicles, 2024 , 47 (2) : 80 -85 . DOI: 10.7654/j.issn.2097-1974.20240213
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Article Info
doi: 10.7654/j.issn.2097-1974.20240213
  • Receive Date：2022-03-23
  • Online Date：2025-07-04
  • Published：2024-04-25
Article Data
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  • Received：2022-03-23
  • Revised：2022-09-07
Affiliations
    1Beijing Institute of Space Long March Vehicle,Beijing,100076
    2Institute of Aero Engine, Tsinghua University,Beijing,100084
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多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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