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

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 m...

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Bibliographic Details
Published in:International communications in heat and mass transfer 2013-02, Vol.41, p.63-67
Main Authors: Zhu, Zhi, Zhang, Li-Wen, Wu, Qin-Ke, Gu, Sen-Dong
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Experimental investigation
Hastelloy C-276
Heat flux
Heat transfer
Mass transfer
Mathematical models
Optimization
Other topics in thermal properties of condensed matter
Physics
Rotor can
Shrink fit
Shrink fitting
SS302
Thermal conductivity
Thermal contact conductance
Thermal properties of condensed matter
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Summary: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.
ISSN:0735-1933
1879-0178
DOI:10.1016/j.icheatmasstransfer.2012.11.007