The study of the heat transfer of solar air heaters with a new design using an absorbing plate with fins and baffles. which facilitate the recycling of flowing air. is reported. The mathematical formulation and analytical analysis for such a recyclic baffled double-pass solar air heater were developed theoretically. https://www.roneverhart.com/Kakkurengas-saadettava-rst-19x28-34x54-cm/