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February 16, 2026Proceedings of the Institution of Mechanical Engineers Part A Journal of Power and Energy

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

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Authors

VSVineet Kumar SinghVYVinod Singh YadavVTVaibhav Trivedi

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Overview

Research demonstrates improved thermal efficiency and reduced pressure drop in solar air heaters with triangular fins and ribs.

Key Points

  • The research aims to evaluate the effect of triangular fins and added ribs on the thermal performance of solar air heaters.
  • Utilized ANSYS Fluent-2018 for numerical comparisons of triangular fins with and without ribs.
  • Investigated parameters such as Reynolds Number and pitch to height ratio affecting thermal performance.
  • Validated numerical results experimentally.
  • Triangular fins outperformed fins with ribs in thermal performance, yielding lower pressure drops.
  • Maximum Nusselt Number and Thermal Performance Factor reached 114.95 and 1.89 at a Reynolds Number of 10,000.
  • Experimental observations confirmed a maximum outlet air temperature of 72.25°C and thermal efficiency of 77.18%.

Cite This Study

Singh et al. (2026) studied this question.

synapsesocial.com/papers/69926575eb1f82dc367a15c4https://doi.org/10.1177/09576509261426237
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