Study on electric and thermal characteristics of CO<sub>2</sub> arc heater

OU Dongbin; YANG Guoming; ZHU Xingying; WEN Peng; ZHANG Zhi; ZENG Hui

doi:10.11729/syltlx20220065

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Article Navigation > Journal of Experiments in Fluid Mechanics > 2023 > Accepted Manuscript

OU D B, YANG G M, ZHU X Y, et al. Study on electric and thermal characteristics of CO2 arc heater[J]. Journal of Experiments in Fluid Mechanics, doi: 10.11729/syltlx20220065

Citation:

OU D B, YANG G M, ZHU X Y, et al. Study on electric and thermal characteristics of CO₂ arc heater[J]. Journal of Experiments in Fluid Mechanics, doi: 10.11729/syltlx20220065

OU D B, YANG G M, ZHU X Y, et al. Study on electric and thermal characteristics of CO2 arc heater[J]. Journal of Experiments in Fluid Mechanics, doi: 10.11729/syltlx20220065

Citation:

OU D B, YANG G M, ZHU X Y, et al. Study on electric and thermal characteristics of CO₂ arc heater[J]. Journal of Experiments in Fluid Mechanics, doi: 10.11729/syltlx20220065

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Study on electric and thermal characteristics of CO₂ arc heater

doi: 10.11729/syltlx20220065

Beijing Key Laboratory of Arc Plasma Application Equipment, China Academy of Aerospace Aerodynamics, Beijing　100074, China

Received Date: 2022-07-13
Accepted Date: 2023-01-08
Rev Recd Date: 2022-11-16

Available Online: 2023-03-07

Abstract

Abstract

On the 300 kW DC axial tube electrode arc heater, the U–I characteristics and thermal efficiency of CO₂ and air are measured by experiment, and the regression analysis is carried out by using the similarity criterion number. The unified relationship of electric and thermal characteristics that can be applied to the two media is obtained, and compared with similar heaters abroad. The results show that CO₂ and air arc heaters have similar electric and thermal characteristics, under the same input parameters (arc current and gas flow); the total pressure of CO₂ is 18% lower than that of air, but the arc voltage, enthalpy and thermal efficiency are 5.9%, 6.7% and 10.9% higher respectively; the regression errors of U–I characteristics and thermal efficiency are −13.0%～11.4% and −33.0%～34.7% respectively. This relationship plays an important guiding role in the operation and commissioning of the high-power arc heater.
- CO₂,
- arc heater,
- U–I characteristic,
- thermal efficiency,
- similarity theory

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References(20)

References

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