SOLA-VOF法による水平下向き加熱面まわりから飽和水への膜沸騰数値解析

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  • SOLA VOFホウ ニ ヨル スイヘイ シタムキ カネツメンマワリ カラ ホウワスイ エ ノ マク フットウ スウチ カイセキ
  • Numerical Analysis of Film Boiling from a Heated Plate Facing Downwards in Saturated Water by the SOLA-VOF method

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A numerical method to track a vapor-liquid interface was explored for the film boiling heat transfer from a downward facing plate, based on the SOLA-VOF method. In order to take into account the effect of the compressibility, the LC (limited compressibility) method was modified to be applicable to phase change problems and incorporated into the SOLA-VOF method. The numerical solutions were obtained for the film boiling of saturated water at the atmospheric condition. In the present calculation the width of the vapor film at the edge of the heated plate was determined with reference to the analysis of Shigechi-Yamada and Nishio et al., and treated as the constant. Also, the Nusselt number was examined with the semi-empirical equation that was based on the Nishio et al.'s correlation.

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