Effect of helical perforated twisted tape parameters on thermal and hydrodynamic performance in heat exchanger circular tube

被引：0
|
作者：
Rajesh Maithani
Anil Kumar
机构：
[1] DIT University,Department of Mechanical Engineering
[2] Shoolini University,School of Mechanical and Civil Engineering
来源：
Heat and Mass Transfer | 2020年 / 56卷
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摘要：
Effect of helical perforated twisted tape parameters like diameter ratio (dR/DI), relative pitch ratio (PPT/LT), perforation index (PA/TA) and Reynolds number(Re) on the thermal and hydrodynamic performance of heat exchanger circular tube experimentally analysed. Experimental data pertinent to air flow and heat transfer is generated and thermal hydrodynamic performance is determined for different sets of helical perforated twisted tape insert and flow parameters. The highest value of thermal hydrodynamic is observed at dR/DI of 0.65, PPT/LT of 0.086 and PA/TAof 10%. The maximum value of the thermal hydrodynamic performance was found to be 2.12 for the range of parameters examined.
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页码：507 / 519
页数：12
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