Numerical Study on Hypersonic Flow and Aerodynamic Heating

WANG Qiang; XU Tao; YAO Yongtao

doi:10.21656/1000-0887.420346

Volume 43 Issue 10

Oct. 2022

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WANG Qiang, XU Tao, YAO Yongtao. Numerical Study on Hypersonic Flow and Aerodynamic Heating[J]. Applied Mathematics and Mechanics, 2022, 43(10): 1105-1112. doi: 10.21656/1000-0887.420346

Citation:

WANG Qiang, XU Tao, YAO Yongtao. Numerical Study on Hypersonic Flow and Aerodynamic Heating[J]. Applied Mathematics and Mechanics, 2022, 43(10): 1105-1112. doi: 10.21656/1000-0887.420346

Citation:

WANG Qiang, XU Tao, YAO Yongtao. Numerical Study on Hypersonic Flow and Aerodynamic Heating[J]. Applied Mathematics and Mechanics, 2022, 43(10): 1105-1112. doi: 10.21656/1000-0887.420346

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Numerical Study on Hypersonic Flow and Aerodynamic Heating

doi: 10.21656/1000-0887.420346

WANG Qiang^{1
,
,},
XU Tao¹,
YAO Yongtao²

1.
School of Energy and Powering Engineering, North University of China, Taiyuan 030051, P.R.China
2.
National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin 150001, P.R.China

Received Date: 2021-11-15
Accepted Date: 2022-05-11
Rev Recd Date: 2022-04-13

Available Online: 2022-09-23

Publish Date: 2022-10-31

Abstract

Abstract

A finite-difference unsteady coupled heat transfer solver was developed. This solver was utilized to simulate the hypersonic flow over a backward-facing step with a transverse gap, and the unsteady thermal conduction in an infinite circular pipe. The backward-facing step leads to local dramatically changing distributions of aerodynamic parameters and wall heat fluxes. The gas flow in the gap decelerates rapidly along with the increase of the gap depth, and there is rather weak convective heat transfer at the bottom of the gap. In the case of hypersonic flow around the infinitely long circular pipe, there exists large temperature gradient in the boundary layer, and the wall temperature increases with time, otherwise the aerodynamic parameters outside the boundary layer change quite slightly. The predicted results are in good agreement with the tested data. The comparison between numerical simulation results and tested data verifies the calculation ability of the developed solver.
- hypersonic flow,
- aerodynamic heating,
- backward-facing step,
- gap flow,
- unsteady,
- coupled heat transfer

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References(21)

References

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