摇摆对自然循环传热特性影响的实验研究

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Experimental Research of Effect of Rolling upon Heat Transfer Characteristic of Natural Circulation

School of Power and Nuclear Engineering, Harbin Engineering University, 150001, China

摘要: 对摇摆情况下单相自然循环流动的传热特性进行了实验研究。试验结果表明,摇摆运动下,自然循环的换热能力得到了加强,摇摆的频率和振幅增加,换热系数也相应增加。针对摇摆运动下换热系数经验公式的适用性进行了分析,并通过实验数据的拟合得出了适用于摇摆运动下的自然循环换热经验关系式。
- 摇摆 /
- 自然循环 /
- 单相流动 /
- 换热特性
Abstract: The Effect of rolling upon heat transfer characteristic of single-phase natural circulation is experimentally studied in the paper.The results show that heat transfer of natural circulation under rolling is enhanced.Heat transfer coefficient increases with rolling amplitude and rolling frequency increasing.The present empirical correlation to predict heat transfer coefficient under rolling motion derived from the experimental data processing is also discussed in this paper.
- Rolling /
- Natural circulation /
- Single-phase /
- Heat transfer