The Effect of Roughness in Absorbing Materials on Solar Air Heater Performance

The Effect of Roughness in Absorbing Materials on Solar Air Heater Performance

Artificial roughness on the absorber of the solar air heater (SAH) is considered to be the best passive technology for performance improvement. The roughened SAHs perform better in comparison to conventional SAHs under the same operational conditions, with some penalty of higher pumping power requir...

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Bibliographic Details
Main Authors: Karmveer, Naveen Kumar Gupta, Md Irfanul Haque Siddiqui, Dan Dobrotă, Tabish Alam, Masood Ashraf Ali, Jamel Orfi
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Materials
Subjects:
roughness
solar air heater
thermal efficiency
Nusselt number and effective efficiency
augmentation
Online Access:https://www.mdpi.com/1996-1944/15/9/3088

Internet

https://www.mdpi.com/1996-1944/15/9/3088

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