本文用R134a的过热蒸汽为工质对金属泡沫填充管的管内单相对流换热特性进行了试验研究,讨论了不同参数的金属泡沫对管内单相对流换热和压力损失的影响.针对金属泡沫填充管的特点(金属泡沫和管壁之闻存在接触热阻),本文讨论了不同填充方法和不同成分的金属泡沫对总体换热特性的影响.
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