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An experimental study on heat transfer characteristics of a closed two-phase thermosyphon has been made. For general application, condenser and evaporator inner diameters of the test tube are design...ed to be different. Freon R-113 is used as a working fluid. Out of many governing parameters, effects of (a) fill ratio of the working fluid in the tube, (b) outer wall temperature of the condenser and (c) heat flux are investigated here, and temperature distributions along the tube, boiling and condensing heat transfer coefficients and overall heat transfer coefficients are obtained. A simple calculation model for estimationg the working fluid temperature in the tube and the overall heat transfer coefficient is developed. By comparing the calculation results from this model with the experiments, validity of the model is confirmed.続きを見る
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Mendeley出力
