The Adomian decomposition method (ADM) is applied in this paper to investigate the heat transfer in solar air collector. Results obtained using Adomian decomposition method (ADM) and the numerical Runge–Kutta fourth-order method are compared. The Adomian decomposition method (ADM) is effective for finding exact solutions of differential equations. Several parameters, such as air mass flow, width, and length of the collector, the effect of efficiency of the solar air collector. The increase in air mass flow improves the efficiency of solar air collector, whereas the dimensions of the collector are a negatively effect on the efficiency of the solar air collector.
solar air collector, thermal efficiency, analytic solution, decomposition method Adomian
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