Computational investigation of unsteady heat exchange on regenerative cooling structure

ZHANG Ruoling; ZHANG Lei; WANG Xiangyi; JIANG Jin; GU Lei

doi:10.11729/syltlx20210102

Volume 37 Issue 2

Apr. 2023

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Article Navigation > Journal of Experiments in Fluid Mechanics > 2023 > 37(2): 62-67

ZHANG R L, ZHANG L, WANG X Y, et al. Computational investigation of unsteady heat exchange on regenerative cooling structure[J]. Journal of Experiments in Fluid Mechanics, 2023, 37(2): 62-67 doi: 10.11729/syltlx20210102

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Computational investigation of unsteady heat exchange on regenerative cooling structure

doi: 10.11729/syltlx20210102

Science and Technology on Scramjet Laboratory of Hypervelocity Aerodynamics Institute, China Aerodynamics Research and Development Center, Mianyang　621000, China

Received Date: 2021-08-24
Accepted Date: 2022-01-21
Rev Recd Date: 2022-01-18
Publish Date: 2023-04-25

Abstract

Abstract

In order to support the regenerative cooling structure design and experiment of scramjet, an analytical model of unsteady heat exchange is constructed. The calculated and experimentally measured thermal equilibrium times under water cooling condition are compared. The calculated irregular temperature increasing time is obtained using the analytical model and compared with experimental values. It is found that the thermal equilibrium time can be decreased if the scramjet is preheated to 800 K before test. The research shows that the analytical model is applicable to heat transfer analysis of the regenerative cooling scramjet.
- regenerative cooling,
- unsteady heat exchange,
- scramjet,
- modeling

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References(17)

References

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