An efficient and low resistant circumferential overlap trisection helical baffle heat exchanger with folded baffles
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- 作者：Cong Donga ; Dongshuang Lib ; Youqu Zhenga ; 101888@zust.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Guoneng Lia ; Yange Suoa ; Yaping Chenc
- 关键词：Heat transfer enhancement ; Helical baffle heat exchanger ; Trisection helical baffles ; Circumferential overlap ; Folded baffles
- 刊名：Energy Conversion and Management
- 出版年：2016
- 出版时间：1 April 2016
- 年：2016
- 卷：113
- 期：Complete
- 页码：143-152
- 全文大小：3773 K
文摘
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The novel cothHXf with circumferential overlap and folded baffles is first proposed.
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The key sections of cylindrical and dumbbell are constructed to analyze local flow field characteristics.
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The restricted leakage, easier to install and low resistant characteristics are emphasized.
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The enhanced heat transfer mechanism of Dean Vortex secondary flow is analyzed.
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A variety of comprehensive efficiency assessments are used.