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A review on computation fluid dynamics studies in drying processes

S.Rajasekar, N.Meyyappan, D.G.Rao

The drying is a useful technique to preserve food for long time against microbial contamination. Since it is a simultaneous heat and mass transfer operation it finds versatile applications. There are different types of drying operations but in this article an endeavour has made to explain in-detail about tray drying with an aid of CFD (Computational fluid dynamics). There are several designs of tray dryer system with CFD. To implement proper design of tray drier there is a need to optimize variables that are influencing drying operation such as drying chamber configuration, air velocity and air temperature.Also, the equations that are pertinent to drying operation have been explained. In a nut-shell, this article provides an extensive review of the variables that are affecting the tray dryer system.