強制対流表面沸騰の熱伝達について

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タイトル別名
  • Experimental Studies on the Subcooled Boiling Heat Transfer with Forced Convection
  • キョウセイ タイリュウ ヒョウメン フットウ ノ ネツ デンタツ ニ ツイテ

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抄録

There are many correlations on the saturated boiling, but few suitable correlations on the subcooled boiling heat transfer with forced convection. In this paper, the experimental results on the subcooled boiling heat transfer of water in the vertical rectangular channel with forced convection under the atmospheric pressure are reported and the correlation based on the experimental data is proposed, namely qt=qc+qb where, qt : total heat flux of the subcooled boiling with forced convection, kcal/m2h, qc : convective heat flux, kcal/m2h, qb : boiling heat flux, kcal/m2h, and for the condition at atmospheric pressure, qb=4.53ΔTsat3.6 The boiling heat flux qb is not affected by velocity and subcooling, but is dependent on the system pressure. The relation is represented by an equation as shown below on the basis of various experimental data of the subcooled boiling with forced convection which have been reported by previous investigators. qb=4.50eP/20ΔT<sat>3.5 where, P : absolute pressure of system, ata, ΔTsat : degrees of superheated, °C.

収録刊行物

  • 日本機械学会誌

    日本機械学会誌 65 (525), 1506-, 1962

    一般社団法人 日本機械学会

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