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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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基于场协同的多叶螺旋线圈强化管内对流换热研究
, PP. 30-33
Keywords: 平板太阳能集热器,多叶螺旋线圈,场协同,强化换热
Abstract:
针对太阳能集热管内强化对流换热的突出问题,应用场协同理论,采用铜丝制成多叶螺旋线圈内插元件，对双叶螺旋线圈和三叶螺旋线圈增强流道管壁与工质之间的换热性能进行了实验研究。结果表明:多叶螺旋线圈管道内协同角余弦值cosβ增大,对流换热场协同数fc较空管有大幅提升,速度场和温度场具有良好的协同性;在以水为工质的定热流工况下(240
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