超临界CO_2水平管内换热的实验研究Experimental Study of Heat Transfer to Supercritical Carbon Dioxide in a Horizontal Tube
董彬;吕静;尹从绪;秦娜;杜雅萍;
摘要(Abstract)：
对超临界二氧化碳在水平管内的对流换热与压降特性进行了实验研究。结果表明,入口压力、CO2质量通量密度和冷却水质量通量密度对换热性能有很大影响,而入口温度和浮升力对换热性能无明显影响。实验还发现入口压力和CO2质量通量密度对压降有较大影响。并将实验结果和4个超临界二氧化碳换热关联式做了比较,分析发现Krasmochekov-Protopopov关联式与实验结果吻合较好。
关键词(KeyWords)： 超临界;二氧化碳;对流换热;压降
基金项目(Foundation): 天津市自然科学基金项目(05YFJMJC06200)
作者(Author): 董彬;吕静;尹从绪;秦娜;杜雅萍;
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