Large Eddy Simulations of Rotating Square Duct with Normal Rib Turbulators

作者： Mayank Tyagi , Arun K. Saha , Sumanta Acharya

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摘要: Abstract : Large Eddy Simulations (LES) were performed to study the flow physics and heat transfer in a rotating ribbed duct. This numerical is simulating experiments conducted investigate effects of buoyancy Coriolis forces on turbine blade internal coolant passages (Wagner et al., 1992). The computations at Reynolds number (Re) 12,500 based average velocity duct hydraulic diameter square rotation (Ro) 0.12 inlet coolant-to-wall density ratio (delta p/p) 0.13. rib height-to-hydraulic (e/D) 0.1 pitch-to-height (P/e) 10. ribs are cross-section placed transverse A direct method computing source term due unsteady calculation uniform wall temperature case periodic geometries presented. details field presented analyzed.

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Large Eddy Simulations of Rotating Square Duct with Normal Rib Turbulators

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Large Eddy Simulations of Rotating Square Duct with Normal Rib Turbulators

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