高熱負荷平板のプール沸騰の研究 : 第2報, 上向きおよび垂直平板における核沸騰熱伝達

概要

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Pool boiling of water from a vertical surface and two upward-facing flat surfaces was experimentally studied under atmospheric pressure by making use of the apparatus described in the first report. The range of heat flux covered the entire region of nucleate boiling up to the burnour limit. The shape of the curve showing the relation between the heat flux and the temperature difference was similar to the curve for thin wires. When the heat flux exceeded 4×10^5 kcal/m^2h, bubbles coalesced on the heating surface before leaving it. In the vicinity of the burnout limit, very large lumps of vapor rose intermittently from the heating surface. Experimental equations were set up by making use of Stanton number for the heat transfer coefficient, Reynolds number for the steam velocity leaving the surface, and the size of the heating surface.
一般社団法人日本機械学会の論文
1962-08-25