CFD analysis of heat transfer performance of ribbed solar air heater

被引：0

作者：

Yadav, Anil Singh ^{[1
]}

Shukla, Om Prakash ^{[2
]}

Sharma, Abhishek ^{[3
]}

Khan, Irshad Ahmad ^{[4
]}

机构：

[1] Mechanical Engineering Department, Lakshmi Narain College of Technology, MP, Bhopal,462022, India

[2] Mechanical Engineering Department, Parul Institute of Engineering and Technology, Gujarat, Vadodara,390017, India

[3] Department of Mechanical Engineering, Manipal University Jaipur, Rajasthan, Jaipur,303007, India

[4] Department of Mechanical Engineering, Sagar Institute of Research & Technology, MP, Bhopal,462041, India

来源：

Materials Today: Proceedings | 2022年 / 62卷

关键词：

CFD analysis - Energy equation - Fluents - Friction factors - Heat transfer performance - Momentum equation - Rib roughness - RNG k-Ε turbulence model - SAH - Solar air heater;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Adding ribs to a solar air heater duct's surface is an excellent means of increasing the efficiency of the system. In this article, a SAH with circular and semi-circular rib roughness is numerically analysed. This study is carried out in ANSYS Fluent v16 using the RNG k-Ε turbulence model. For momentum and energy equations, the second-order upwind scheme is selected. The SIMPLE algorithm is used to couple velocity–pressure. To accurately predict different parameters, a low convergence criterion is chosen for all residuals. Present investigation is done for different e/D values and Re ranging from 3800 to 18,000 in the turbulent flow region. The result showed that the semi-circular rib gives the highest TEF. The TEF has been found to have a maximum value of 1.76 at Reynolds number 15,000. © 2022

引用

页码：1413 / 1419

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