垂直円柱まわりの過渡膜沸騰熱伝達の実験 : 円柱の長さ,直径および傾斜角の影響

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. Experimental parameters are length, diameter and inclination angle of the cylinder. The test cylinders used in the experiments are made of silver. The test cylinder was heated to 660℃ by a electric furnace and quenching was started at about 550℃ Experimental data were presented in terms of both cooling curve and boiling curve for the case of 32 mm diameter cylinders with the lengh ranging from 8mm to 64mm and for the case of 32mm length cylinders with the diameter ranging from 8mm to 50mm. The effects of length, diameter and inclination angle of the cylinder on the overall heat transfer rate were discussed in terms of boiling curve.
長崎大学の論文