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Proceedings of Symposium on Energy Engineering in the 21<sup>st</sup> Century (SEE2000) Volume I-IV

ISBN:
1-56700-132-7 (Imprimir)

TRANSPORT PHENOMENA IN A CAPILLARY-TUBE SUBJECTED TO A COMPRESSIBLE OSCILLATING FLOW

Guoqiang Lu
Department of Mechanical Engineering Hong Kong University of Science & Technology Clear Water Bay, Kowloon, HongKong

Ping Cheng
Mechanical Engineering Department, The Hong Kong University of Science and Technology; MOE Key Laboratory for Power Machinery and Engineering, School of Mechanical and Power Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China

Resumo

In this paper, we analyzed the transport phenomena in a porous medium subjected to a compressible oscillating flow by a capillary-tube model. It is found that momentum transport of a compressible oscillating flow in a capillary-tube follows the Darcy law and an expression for the permeability can be identified. In addition, a closed form analytical expression of the Nusselt number for solid-fluid interfacial heat transfer has been obtained by analyzing the energy equation.