Performance enhancement of the triangular fins solar air heater by adding ribs on the side wall and middle section of absorber plate

Vineet Singh, Vinod Singh Yadav, Vaibhav Trivedi, Pushkar Singh, Department of Mechanical Engineering, School of Engineering , IFTM University, Department of Mechanical Engineering, NIT Uttarakhand

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy

Published online on February 14, 2026

Abstract

Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, Ahead of Print.
This research article investigated the effect of the triangular fins and triangular fins with ribs by the ANSYS Fluent-2018. Ribs are added at the side walls of the solar air heater to divert the flow on the teethed portion of the absorber plate, which ...