純蒸気の強制対流凝縮における凝縮液の粘度の代表値

書誌事項

タイトル別名
  • Representative Viscosity of Condensate in the Case of Laminar Forced-Convection Condensation of Pure Vapors
  • ジュン ジョウキ ノ キョウセイ タイリュウ ギョウシュク ニ オケル ギョウ

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説明

The boundary layer equations for laminar forced-convection condensation of pure vapors are numerically solved for water, ethanol, ethyene glycol and propane under the assumption that only the viscosity in the condensate film depends on temperature. The numerical results reviel that the representative viscosity in the authors' previous equations for the heat transfer coefficient and the condensation mass flux can be evaluated at T_r=T_w+1/3・(T_s-T_w), where T_w is the temperature at the wall and T_s is saturation temperature.

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