有限長の垂直円柱まわりの膜沸騰熱伝達(熱工学,内燃機関,動力など)

概要

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Quenching experiments on the transient film boiling heat transfer from a vertical cylinder to a quiescent saturated water at atmospheric pressure have been carried out for 18 kinds of silver cylinder which are 8 to 100mm in diameter and 8 to 160mm in length. The experimental data obtained by quenching method were compared in terms of boiling curve with the semi-empirical prediction method proposed by the authors. The experimental data agreed within ±15% with the prediction. The effect of aspect ratio (length-to-diameter ratio) on the lower limit of film boiling for saturated water was also discussed and its prediction method was proposed.
2004-07-25