EXPERIMENTAL STUDY ON STEADY TURBULENT FILM BOILING OF SUBCOOLED LIQUID R11 FLOWING UPWARD IN A VERTICAL CIRCULAR TUBE

被引：0
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作者：
王补宣
林兆庄
彭晓峰
袁浩江
机构：
[1] Thermal Engineering Department
[2] Tsinghua University
[3] Beijing
[4] Tsinghua
来源：
ScienceinChina,SerA. | 1989年 / Ser.A.1989卷 / 04期
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摘要：
<正> Experiments have been carried out for steady turbulent-flow film boiling of subcooledliquid R11 flowing upward in a vertical circular tube with velocities in a range of 1 .3-4.9m/s and liquid temperatures subcooling in a range of 16.2-32 .5℃. The exponent ofReD in a semi-empirical expression is determined as m = 0.65 from the experimental dataobtained, which coincides with the theoretical value m = 2/3 reported previously. Mean-while, the modified semi-empirical theory is verified and further discussed, and the onlyempirical constant c is determined as 5.4 ×10～5.
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页码：470 / 478
页数：9
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