Development of hot-wire probe calibration wind tunnel based on compressible fluid

Ma Husheng; Liu Huilong; Qin Tianchao; Du Wei; Shi Peijie; Ren Siyuan

doi:10.11729/syltlx20160108

Volume 31 Issue 1

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Article Navigation > Journal of Experiments in Fluid Mechanics > 2017 > 31(1): 93-99

Ma Husheng, Liu Huilong, Qin Tianchao, et al. Development of hot-wire probe calibration wind tunnel based on compressible fluid[J]. Journal of Experiments in Fluid Mechanics, 2017, 31(1): 93-99. doi: 10.11729/syltlx20160108

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Development of hot-wire probe calibration wind tunnel based on compressible fluid

doi: 10.11729/syltlx20160108

China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China

Received Date: 2016-07-08
Rev Recd Date: 2016-09-18
Publish Date: 2017-02-25

Abstract

Abstract

The output of the hot-wire is related not only to the fluctuation velocity, but also to the fluid temperature and density when the hot-wire technology is used to measure the turbulence intensity in a compressible fluid. Therefore, it is necessary to establish a calibration facility with similar characteristics to a high speed compressible fluid so that the accurate calibration of the hot-wire probe can be done before its usage. In this paper, the aerodynamic overall scheme, structural design and development of measurement and control system of the hot-wire probe calibration wind tunnel are introduced and illustrated based on subsonic and transonic compressible fluids. According to the results of the wind tunnel flow field calibration tests, the maximum deviation of the Mach number in the model area is 0.002; the dynamic pressure can be adjusted from 0.5 to 1.7 times of the normal dynamic pressure; the variation range of temperature and density is wide; the uniformity of the flow field are good. All the requirements for the hot-wire probe calibration are satisfied.
- compressible fluid,
- hot-wire probe,
- calibration wind tunnel,
- flow field calibration

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References(12)

References

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