Sinusoidal wavy fins can help enhance heat transfer in plate-fin heat exchangers and thus improve the performance of compact heat exchangers in many different industrial areas like air-conditioning, heating, and waste-heat recovery. Besides increasing the surface area density of the heat exchanger, implementing sinusoidal wavy fins in plate-fin heat exchangers can also augment the convection heat transfer coefficient by generating swirls in the trough regions of the channels. In this study, single-phase, periodically developed, laminar forced convection in sinusoidal wavy-plate-fin channels is considered, with the corrugated plates subjected to uniform wall temperature.
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