二重円管内の自然対流熱伝達の研究 : 対称軸上での偏心による伝熱促進効果

概要

論文の詳細を見る
A numerical analysis for natural convection heat transfer in eccentric cylindrical annuli was presented. This problem is one of the most basic problems for a shell and tube-type heat exchanger. Many studies on heat transfer in eccentric cylindrical annuli on the view of flow pattern have been done, however, only a few studies on the effect of eccentricity on heat transfer enhancement have been conducted. The numerical method presented in this paper utilized the boundary-fixing method which is applicable to the moving boundary problem. Calculations are made for isotherms, streamlines, dimensionless Nusselt number distribution around the cylinder, and dimensionless total heat transfer. The effects of eccentricity on heat transfer enhancement and convection mechanism in eccentric cylindrical annuli are presented.
一般社団法人日本機械学会の論文
1994-07-25