Heat Transfer in a High Vertical Enclosure with Fins Attached to One of the Side Walls

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A numerical model is developed of heat transfer in a high vertical narrow enclosure in the presence of fins on one of the isothermal side walls. The Navier–Stokes equations were solved numerically in two-dimensional formulation. It is demonstrated that the mean coefficient of heat transfer over the channel surface for adiabatic fins first increases with the number of fins to reach a maximum and then decreases by approximately 30% compared to smooth walls. For heat-conducting fins, the enhancement of heat transfer may be as high as 200% or more.

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