621 高温高湿度および過熱水蒸気処理における凝縮から蒸発への反転過程(非定常平板伝熱モデルによる反転過程特性の解析)(GS-6 熱工学(2))

概要

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The characteristics of reverse process on parallel flow of high-humid hot air were investigated by numerical study. The mass and temperature of material during the treatment process were calculated by a one-dimensional plate non-steady heat transfer model with water as a treatment material. Murray-Landis I method was used for the moving boundary problem. As a result, it was shown that restoration time"-"the time material's mass return to initial mass"-"increases uniformly as humidity of hot air or thickness of material increases, and it decreases uniformly as heat flux from hot air or initial temperature of material increases. Moreover temperatures at the center of material at restoration time were predicted in several gas temperatures, humidities and material thicknesses. And the method to determine the best conditions of temperature and humidity of hot air for heating the material, without either drying or wetting, was shown.
一般社団法人日本機械学会の論文
2004-03-17