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Performance of Copper Calorimeter for Heat Transfer Measurement in High Enthalpy Shock Tunnel
Wang Q(汪球); Li JW; Li JP(李进平); Zhao W(赵伟); Jiang ZL(姜宗林)
Source PublicationJOURNAL OF THERMAL SCIENCE
2018-08-01
Volume27Issue:4Pages:373-381
ISSN1003-2169
Abstract

Copper calorimeter, based on a calorimetric principle, offers a solution for heat transfer measurement in high enthalpy situation, especially in the erosive flow of high enthalpy shock tunnels. In this study, we numerically investigated the measuring performance of copper calorimeters. Non-ideal effects, such as heat loss to the insulator around and replacement of the average temperature of the copper element by the junction temperature, were discussed in detail. The influences of copper element thickness, copper/constantan wires thickness and sensor diameter were also estimated, with the aim to provide theoretical guidance for the design of copper calorimeter. In addition, corresponding experiments in JF10 high enthalpy shock tunnel were carried out against the data of coaxial thermocouples for verification. Results showed that the non-ideal thermal environment of a copper calorimeter (heat exchange with its surroundings) would result in a smaller measuring heat flux comparing to the one actually loaded; proper thickness of copper element matching the effective test time of shock tunnel was suggested. Besides, preliminary experimental results with corrections showed reasonable agreement with the heat flux of thermocouples, with an average deviation of 8%. Over all, this gauge developed extends and supplements the high enthalpy shock tunnel heat transfer measurements made by other techniques.

Keywordcopper calorimeter high enthalpy shock tunnel heat transfer hypersonic
DOI10.1007/s11630-018-1020-5
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000438132200008
WOS KeywordTHERMAL PROTECTION ; OPPOSING JET ; THERMOCOUPLES ; FACILITIES
WOS Research AreaThermodynamics ; Engineering, Mechanical
WOS SubjectThermodynamics ; Engineering
Funding OrganizationNational Natural Science Foundation of China [11402275, 11472280, 11532014] ; China Scholarship Council
CSCD IDCSCD:6270442
ClassificationQ4
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77845
Collection高温气体动力学国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang Q,Li JW,Li JP,et al. Performance of Copper Calorimeter for Heat Transfer Measurement in High Enthalpy Shock Tunnel[J]. JOURNAL OF THERMAL SCIENCE,2018,27(4):373-381.
APA Wang Q,Li JW,Li JP,Zhao W,&Jiang ZL.(2018).Performance of Copper Calorimeter for Heat Transfer Measurement in High Enthalpy Shock Tunnel.JOURNAL OF THERMAL SCIENCE,27(4),373-381.
MLA Wang Q,et al."Performance of Copper Calorimeter for Heat Transfer Measurement in High Enthalpy Shock Tunnel".JOURNAL OF THERMAL SCIENCE 27.4(2018):373-381.
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