摇摆对自然循环流动和换热影响的实验研究

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基金项目:

空泡物理和自然循环国家级重点实验室基金资助项目(9140C7105020805)

国家自然科学基金项目(50806014)

Experimental Research on Effect of Rolling on Natural Circulation Flow and Heat Transfer

1. College of Nuclear Science and Technology, Harbin Engineering University, Harbin, 150001, China;
2. Wuhan Second Ship Design and Research Institute, Wuhan, 430064, China

摘要: 针对摇摆条件下单相水自然循环流动和换热特性进行实验研究。实验结果表明,相对于不摇摆工况,摇摆条件下自然循环的流量减小。摇摆的频率和振幅增加时,流量相应减小,换热能力增强。通过实验数据的拟合得出了适用于个别摇摆条件下自然循环流量和换热的经验关系式。
- 摇摆 /
- 自然循环 /
- 单相流动 /
- 传热
Abstract: Single-phase natural circulation flow and heat transfer characteristics under rolling conditions are studied experimentally. The experiment results show that compared with the results under non-rolling condition,the natural circulation flow rate decreases under rolling condition. As the rolling frequency and amplitude increases,the flow rate reduces but the heat exchange increases. The empirical correlations for natural circulation flow rate and heat exchange are obtained by fitting the experimental data under rolling mo-tions.
- Rolling /
- Natural circulation /
- Single-phase flow /
- Heat transfer