Intensification of heat transfer of polymeric hollow fiber heat exchangers by chaotisation

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• 作者：Miroslav Raudensk&yacute ; ^a ; ^{raudensky@fme.vutbr.cz} ; Ilya Astrouski^a ; Miroslav Dohnal^b ; ^{Dohnal@zena-membranes.cz}
• 关键词：Plastic heat exchanger ; Hollow fiber ; Chaotic structure ; Heat transfer coefficient
• 刊名：Applied Thermal Engineering
• 出版年：2017
• 出版时间：25 February 2017
• 年：2017
• 卷：113
• 期：Complete
• 页码：632-638
• 全文大小：2933 K
• 卷排序：113

文摘

Proper separation of polymeric hollow fibers must be used in case of single-phase flow. Chaotisation is simple method allowing to separate fibers and intensity heat transfer. Chaotized bundles of fibers can transfer up to 100 W/m2 K for air flowing 2 m/s.