Through-flow effects on turbulent heat transfer in the Taylor-Couette-Poiseuille flow were investigated by using a large eddy simulation. Through-flow Reynolds numbers of 1000 and 4000 under a constant inner-wall rotation speed were examined. Increase of the through-flow Reynolds number caused increase and decrease of the Nusselt numbers at inner and outer walls, respectively. At lower through-flow Reynolds number, the Taylor vortices were observed. On the other hand, at higher through-flow Reynolds number, the Taylor vortices were transformed into streak and spiral-band structures near the inner and outer walls, respectively. These flow structures were clearly visualized by contour surfaces of instantaneous temperature and second invariant of deformation tensor.
Large Eddy Simulation of Through-Flow Effects on Turbulent Heat Transfer Characteristics in Concentric Annulus With Inner Cylinder Rotation
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Ohsawa, A, Murata, A, & Iwamato, K. "Large Eddy Simulation of Through-Flow Effects on Turbulent Heat Transfer Characteristics in Concentric Annulus With Inner Cylinder Rotation." Proceedings of the ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. Volume 1A: Symposia, Part 2. Seoul, South Korea. July 26–31, 2015. V01AT03A004. ASME. https://doi.org/10.1115/AJKFluids2015-03135
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