Abstract
This study examines the previous research work on double-pass solar air heater (DP-SAH) using CFD (Computational Fluid Dynamics) techniques. Solar air heaters convert solar energy into useful thermal energy. CFD is a simulation technology that employs sophisticated computers and arithmetic to simulate fluid flow conditions for predicting the superlative design in heat transfer and fluid stream processes in a DP-SAH. CFD is an effective approach for predicting the behaviors and performance of a DP-SAH. To effectively design a DP-SAH using CFD, an appropriate turbulence model must be used. In this study a CFD based examination is done to determine the usefulness of the simulation methods in selection of optimum geometry of a DP-SAH. The study will be very useful for the researchers working in this field as it provide a comprehensive review of previous studies and helps in designing the geometry for optimum performance.
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