An experimental investigation of thermal contact conductance of Hastelloy C-276 based on steady-state heat flux method

被引:23
作者
Zhu, Zhi [1 ]
Zhang, Li-Wen [1 ]
Wu, Qin-Ke [1 ]
Gu, Sen-Dong [1 ]
机构
[1] Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116085, Peoples R China
关键词
Thermal contact conductance; Experimental investigation; Hastelloy C-276; SS302; Rotor can; Shrink fit;
D O I
10.1016/j.icheatmasstransfer.2012.11.007
中图分类号
O414.1 [热力学];
学科分类号
摘要
In this study, measurements of the thermal contact conductance (TCC) at the interfaces of Hastelloy C-276/Hastelloy C-276 and Hastelloy C-276/SS302 test pairs were conducted by a self-developed experimental setup based on the steady-state heat flux method. The reliability of experimental setup and method was validated by the repeated measurement of the thermal contact conductance between Hastelloy C-276 and Hastelloy C-276. In addition, the effects of contact pressure and interfacial temperature on thermal contact conductance were also discussed. This study not only provides a necessary database for the accurate numerical simulation but also lays a foundation for the optimal design of the shrink fitting process of rotor can. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:63 / 67
页数:5
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