104 熱伝達冷却される平行平板間の層流強制対流熱伝達問題の解析解(関東支部茨城講演会)

概要

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Forced convection heat transfer to non-Newtonian fluids flow between parallel plates subjected to convective cooling on the external surfaces is investigated analytically. Fully developed laminar velocity distributions obtained by power law fluid rheology model are used, and viscous dissipation is taken into account. The effect of heat conduction in the direction of fluid flow is considered negligible. The physical properties are assumed constant. The theoretical analysis on the heat transfer is developed using an integral transform technique, which is called Vodicka's method. An important feature of the approach is that arbitrary variation of surrounding medium temperatures in the direction of fluid flow and arbitrary velocity distribution can be permitted. A comparison with existing results provides a verification of this technique. The effects of the Brinkman number, Biot number and rheological properties on the distributions of the fluid temperature and the local Nusselt number are illustrated.
社団法人日本機械学会の論文
2005-09-08