Abstract
Unsteady convective heat transfer in air and oil flows past a heated circular cylinder is modeled numerically by solving the unsteady Navier—Stokes and energy equations with the aid of multiblock computational technologies implemented in the VP2/3 code using composite overlapping structured grids of different topology. Enhancement of heat and momentum transfer is associated with a considerable reduction of temperature boundary layer thickness. Main attention is paid to a self-similar flow regime and heat transfer, with the analysis of averaged and fluctuation characteristics and the comparison of constant physical property and inhomogeneous media.
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