<紀要論文>
純冷媒のフィン付鉛直面上での膜状凝縮に関する近似解析

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概要 A numerical analysis for the laminar film condensation of pure refrigerant on a finned vertical surface is carried out to clarify the heat transfer characteristics of plate-fin condensers. The fin and... liquid film shapes are simplified, and the governing equations of the liquid film and one-dimensional heat conduction equation in the fin are solved numerically using the finite difference method. Three dimensional distribution of the fin temperature and the distribution of liquid film thickness along vertical direction are obtained. The effects of fin shape parameters on heat transfer enhancement ratio and fin efficiency are examined. A dimensionless correlation equation for liquid film heat transfer is also proposed.続きを見る

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登録日 2009.04.22
更新日 2017.06.07