Experimental study on time periodic evaporation heat transfer of R-134a in annular ducts due to wall heat flux oscillation

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• 作者：C.A. Chen^a ; T.F. Lin^a ; Wei-Mon Yan^b ; ^{wmyan@ntut.edu.tw}
• 关键词：Time periodic evaporation heat transfer ; R-134a ; Heat flux oscillation ; Mini-channel
• 刊名：International Journal of Heat and Mass Transfer
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：106
• 期：Complete
• 页码：1232-1241
• 全文大小：3524 K
• 卷排序：106

文摘

The time periodic evaporation in annular duct was investigated. The heat transfer coefficients are oscillatory. Strong wall temperature oscillation is noted for a larger amplitude of wall heat lux oscillation.