Abstract:The heat transfer characteristics of liquid nitrogen in both capillary tubes and open bath are experimentally investigated in the present study. The experiments are conducted by using a thin wire heater as both the heating element and the thermometer under the inclination angles of 0 to 90 with the interval of 30 . The diameters of the capillary tubes are 3.8 mm and 1.2 mm. It is found that the nucleate boiling heat transfer can be enhanced with the capillary tube in some cases. The heat transfer enhancement i… Show more
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