Thermo-hydraulic performance of Therminol liquid phase heat transfer fluid in a ribbed tube of solar heater
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- 作者：Weiguo Xua ; Shuyan Wangb ; wangshuyan@nepu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Lu Huangc ; Qiang Wanga ; Qinghong Zhanga ; Huilin Lua ; huilin@hit.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Ribbed tube ; Heat transfer fluid ; Experiments ; Numerical simulations ; Heat transfer enhancement ; Friction factor
- 刊名：Renewable Energy
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：101
- 期：Complete
- 页码：919-929
- 全文大小：2259 K
文摘
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Heat transfer and pressure drop of Therminol 55 heat transfer fluid is measured in a ribbed tube.
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Nusselt number is 1.7–2.6 times in the ribbed tube above the smooth tube in turbulent flow.
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Friction factor is 2.4–3.2 times in the ribbed tube above the smooth tube in turbulent flow.
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Correlations of Nusselt number and friction factor are proposed in a ribbed tube.