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

ISSN:
1-56700-132-7 (Print)

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; School of Mechanical and Power Engineering, Shanghai Jiaotong University

Abstract

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.