Studies on the heat transfer by condensation (Report 2) : heat transfer by condensation on the downward surface of a sintered alloy plate horizontally placed

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  • 凝縮時の熱伝達に関する研究 (第2報) : 水平下向きの焼結合金面における凝縮熱伝達
  • 凝縮時の熱伝達に関する研究-2-水平下向きの焼結合金面における凝縮熱伝達
  • ギョウシュクジ ノ ネツ デンタツ ニ カンスル ケンキュウ 2 スイヘイ シタムキ ノ ショウケツ ゴウキンメン ニ オケル ギョウシュク ネツ デンタツ

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Abstract

The influence of the difference between a smooth and a rough surface on the heat transfer by condensation of saturated steam are investigated experimentally. About a rough surface an experiment on a method for long continuation of dropwise condensation is made. The results are obtained as follows: (1) The coefficients of heat transfer by dropwise and filmwise condensation have no conspicuous difference respectively between a smooth and a rough surface in the region of this experiment. (2) The surface of sintered alloy having enough condensing promoter keeps up the dropwise condensation for a long time.

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