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RESEARCH PAPERS: Porous Media, Particles and Droplets

A New Method for Evaluation of Heat Transfer Between Solid Material and Fluid in a Porous Medium

[+] Author and Article Information
K. Ichimiya

Department of Mechanical System Engineering, Yamanashi University, Takeda-4, Kofu Yamanashi 400-8511, Japan

J. Heat Transfer 121(4), 978-983 (Nov 01, 1999) (6 pages) doi:10.1115/1.2826089 History: Received January 06, 1999; Revised June 22, 1999; Online December 05, 2007

Abstract

The author proposes a new method to estimate the heat transfer between fluid gas and solid material in a porous medium. In the first stage, the local Nusselt numbers on the heated wall of a flow passage with a porous medium are numerically obtained in advance for the parameter Ha including the volumetric heat transfer coefficient, hv between the fluid and the solid material in a porous medium. In the second stage, the experimental Nusselt numbers on the heated wall are obtained by measuring wall temperatures and heat flux. The volumetric heat transfer coefficient, hv , is evaluated by comparing experimental Nusselt numbers with numerical ones. This method also gives the longitudinal characteristics of the heat transfer in a porous medium.

Copyright © 1999 by The American Society of Mechanical Engineers
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