A preliminary study of segmented arc heater used for high pressure operation

YANG Hong; YAO Feng; ZHU Chao; ZHU Tao; CHEN Dejiang

doi:10.11729/syltlx20220060

Volume 36 Issue 6

Dec. 2022

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Article Navigation > Journal of Experiments in Fluid Mechanics > 2022 > 36(6): 74-82

YANG H，YAO F，ZHU C，et al. A preliminary study of segmented arc heater used for high pressure operation[J]. Journal of Experiments in Fluid Mechanics，2022，36（6）：74-82. doi: 10.11729/syltlx20220060

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A preliminary study of segmented arc heater used for high pressure operation

doi: 10.11729/syltlx20220060

Hypervelocity Aerodynamics Institute, China Aerodynamics Research and Development Center, Mianyang　621000, China

Received Date: 2022-06-28
Accepted Date: 2022-09-06
Rev Recd Date: 2022-08-30
Publish Date: 2022-12-30

Abstract

Abstract

The segmented arc heater is an ideal thermal protection test equipment for having a wide range of enthalpy. In order to broaden the simulation range of pressure, the analysis method of the segmented arc heater internal flow is developed. The prediction results match the high pressure operation test results. To solve the problems in the high pressure test, some technical measures have been taken the pressure and heat resistance segments are developed cooling is strengthen and the electrode is shortened. The internal protective measures are studied to reduce surface oxidation and heat loss of segments. The operational mode is explored to solve the string arc problem in the high pressure operation test. The operation pressure of the test exceeds 10 MPa, the operation current exceeds 5000 A on a single electrode, which improves the testing ability of the segmented arc heater.
- segmented arc heater,
- high pressure,
- electrode

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References(22)

References

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