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Probe design for measuring total temperature of combustor outlet based on water cooling

ZHAO Kai LI Feng LU Fuguo ZHOU Tao YANG Hongyu

ZHAO Kai, LI Feng, LU Fuguo, ZHOU Tao, YANG Hongyu. Probe design for measuring total temperature of combustor outlet based on water cooling[J]. 航空动力学报, 2018, 33(9): 2084-2092. doi: 10.13224/j.cnki.jasp.2018.09.005
引用本文: ZHAO Kai, LI Feng, LU Fuguo, ZHOU Tao, YANG Hongyu. Probe design for measuring total temperature of combustor outlet based on water cooling[J]. 航空动力学报, 2018, 33(9): 2084-2092. doi: 10.13224/j.cnki.jasp.2018.09.005
ZHAO Kai, LI Feng, LU Fuguo, ZHOU Tao, YANG Hongyu. Probe design for measuring total temperature of combustor outlet based on water cooling[J]. Journal of Aerospace Power, 2018, 33(9): 2084-2092. doi: 10.13224/j.cnki.jasp.2018.09.005
Citation: ZHAO Kai, LI Feng, LU Fuguo, ZHOU Tao, YANG Hongyu. Probe design for measuring total temperature of combustor outlet based on water cooling[J]. Journal of Aerospace Power, 2018, 33(9): 2084-2092. doi: 10.13224/j.cnki.jasp.2018.09.005

Probe design for measuring total temperature of combustor outlet based on water cooling

doi: 10.13224/j.cnki.jasp.2018.09.005
基金项目: National Natural Science Foundation (9174110013); Aviation Power Fund (614B090310)

Probe design for measuring total temperature of combustor outlet based on water cooling

Funds: National Natural Science Foundation (9174110013); Aviation Power Fund (614B090310)
  • 摘要: To obtain the outlet temperature of combustor, a kind of high-temperature and water cooling thermocouple was designed. The main factors affecting the results of thermocouple measurement were analyzed after numerical simulation. Results showed that the high-temperature water cooling thermocouple can achieve high temperature measurement under the condition of 2400K. With the increase of the distance between the water cooling structure and the stagnation cover, the temperature measurement result was more accurate, and the increase in the area ratio of the inlet and outlet of the stagnation cover within a reasonable range can make the measurement results more accurate. The surface emissivity of the measuring point had a great influence on the radiation error. The pressure and flow rate of cooling water can be effectively reduced after adding zirconia coating onto the surface of the rake body.

     

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出版历程
  • 收稿日期:  2017-04-05
  • 刊出日期:  2018-09-28

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