Multi-scale numerical analysis of flow and heat transfer for a parabolic trough collector

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• 作者：Zhen Tang ; Xin-Peng Zhao ; Zeng-Yao Li ; Wen-Quan Tao ; ^{wqtao@mail.xjtu.edu.cn}
• 关键词：Parabolic trough collector ; DSMC ; Coupled heat transfer ; Multi-scale
• 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：526-538
• 全文大小：4685 K
• 卷排序：106

文摘

A fully coupled algorithm for the heat transfer in a PTC is presented. Effects of gas pressure, coating emissivity and envelope diameter are analyzed. An operation scheme of HTF speed to reduce the PTC total length is proposed.