M. Shinde, N., & Borade, D. H. (2025). Enhancing Solar Air Heater Heat Transfer Performance: The Impact of Hexagonal 90° and 120° Inline Ribs with Varying Blockage Ratios in Trapezoidal Ducts. Asian Journal For Convergence In Technology (AJCT) ISSN -2350-1146, 11(1), 46-55. https://doi.org/10.33130/AJCT.2025v1101.006