Abstract
ABSTRACT The microalgae are an economical and viable solution for producing biofuel and have been suggested as an effective source of renewable energy. The closed loop system known as the photobioreactor and the open loop system known as the raceway pond are widely used systems for cultivating microalgae. Among both, the raceway pond (RP) is a widely adopted system for the mass production of microalgae due to its low maintenance and operation cost. To enhance the yield of microalgae via raceway pond many numerical and experimental models have been suggested by many authors. The approach of computational fluid dynamics (CFD) to understand the hydrodynamic behavior of the system provides a significant understanding to increase the efficiency of the system. To understand the behavior of flow several equations like Reynolds-averaged-Navier-Stoke (RANS) equation and energy transport equations are suggested by various authors. The review emphasizes recent ideas for developing the optimal model of a raceway pond. The recent technology with all experimental and numerical models performed are briefly reviewed and presented in this paper. The improvement in the performance of the raceway pond is suggested based on the current state of the art and necessary future research recommendations are proposed.
Published Version
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