有限の上向き水平面上の膜状凝縮熱伝達

概要

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An analysis has been made of two-dimensional, steady-state, laminar film condensation heat transfer on a finite-size, isothermal, horizontal plate facing upward in a stagnant saturated vapor, taking into account the effect of the plate edge. The boundary-layer equations for the condensate flow on the plate are solved using an integral method. The solutions are obtained under the two conditions that (i) the inclination angle of the vapor-liquid interface may be given at the plate edge, and (ii) the thickness of condensate film is minimized. For the former case, the effect of the inclination angle upon the condensate film thickness and heat transfer rate are investigated. For the latter case, the thickness of the condensate film and heat transfer rate are calculated. An approximate solution for the heat transfer rate is proposed in terms of the Nusselt number. Also, the present analyses are compared with the correlation equation by Leppert et al.
一般社団法人日本機械学会の論文
1990-09-25