Local and surface-averaged measurements of convection coefficients and core pressure-drop data are provided for an array of convex-louver fins. For a Reynolds number range from 200 to 5400, these data are complemented with a flow visualization study and contrasted with new measurements from a similar offset-strip geometry. The results clarify the effects of boundary layer restarting, shear-layer unsteadiness, spanwise vortices, and separation, reattachment, and recirculation on heat transfer in the convex-louver geometry.

Issue Section:
Heat Transfer Enhancement
Keywords:
Enhancement, Experimental, Finned Surfaces, Flow, Heat Transfer
Topics:
Flow (Dynamics), Heat transfer
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