内管が軸方向に動く偏心環状流路内の十分に発達した層流熱伝達の数値解析（第2種境界条件の基本解）

概要

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Fundamental solutions of the second kind boundary condition were obtained numerically by a finite difference method in the bipolar coordinates system for the hydrodynamically and thermally developed laminar flow in an eccentric annulus with an axially moving core. Heating conditions of the second kind are (1) on one wall, constant axial as well as peripheral wall heat flux is specified; (2) the other is insulated. The effects of the relative velocity of the core, the eccentricity of the annulus and the radius ratio on the temperature and Nusselt numbers have been investigated. It is shown that the peripheral non-uniformities of temperature are significantly increased with increasing eccentricity and that the resulting Nusselt numbers decrease with increasing values of the eccentricity.
長崎大学工学部,Faculty of Engineering, Nagasaki Universityの論文