Thermal performance in solar air heater channel with combined wavy-groove and perforated-delta wing vortex generators
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- 作者：Sompol Skullonga ; sfengsps@src.ku.ac.th" class="auth_mail" title="E-mail the corresponding author ; Pongjet Promvongeb ; Chinaruk Thianpongb ; Monsak Pimsarnb
- 关键词：Solar air heater ; Thermal performance ; Wavy-groove ; Delta-wing ; Vortex generators
- 刊名：Applied Thermal Engineering
- 出版年：2016
- 出版时间：5 May 2016
- 年：2016
- 卷：100
- 期：Complete
- 页码：611-620
- 全文大小：3028 K
文摘
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The novel combined wavy-groove and perforated-delta wing vortex generators are introduced for heat transfer enhancement.
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Heat transfer and flow friction characteristics in the solar air heater are experimentally examined.
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The newly designed absorber plate provides much higher heat transfer than the smooth channel.
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Optimum parameters of combined devices and their correlations are reported.