Flow structures and heat transfer on dimples in a staggered arrangement

Afanasyev, 1993, Turbulent flow friction and heat transfer characteristics of spherical cavities on a flat plate, Exp. Therm. Fluid Sci., 1, 10.1016/0894-1777(93)90075-T Burgess, N.K., Ligrani, P.M., 2004. Effects of dimple depth and on nusselt numbers and friction factors for internal cooling channel. In: Proceedings of ASME Turbo Expo No. GT2004-54232. Chyu, M.K., Yu, Y., Ding, H., Downs, J.P., Soechting, F.O., 1997. Concavity enhanced heat transfer in an internal cooling passage. ASME No. 97-GT-437. Dean, 1978, Reynolds number dependence of skin friction and other bulk flow variables in two dimensional rectangular duct flow, J. Fluids Eng., 100, 215, 10.1115/1.3448633 Ekkad, 2003, Dimple enhanced heat transfer in high aspect ratio channels, J. Enhanced Heat Transfer, 10, 395, 10.1615/JEnhHeatTransf.v10.i4.40 Elyyan, 2007, Investigation of dimpled fins for heat transfer enhancement in compact heat exchangers, Int. J. Heat Mass Transfer, 51, 2950, 10.1016/j.ijheatmasstransfer.2007.09.013 Isaev, 2010, Influence of the reynolds number and the spherical dimple depth on turbulent heat transfer and hydraulic loss in a narrow channel, Int. J. Heat Mass Transfer, 53, 178, 10.1016/j.ijheatmasstransfer.2009.09.042 Kiknadze, G.I., Oleinikov, V.G., 1990. Self-organization of tornado-like vortex structures in gas and liquid ows and heat transfer intensication. In: Proc. Inst. Thermophysics Preprint 227, 47ff. Lienhardt, 2008, Drag reductions by dimples? – a complementary experiment/numerical investigation, Int. J. Heat Fluid Flow, 29, 783, 10.1016/j.ijheatfluidflow.2008.02.001 Ligrani, 2003, Comparison of heat transfer augmentation techniques, AIAA J., 41, 337, 10.2514/2.1964 Lumley, 1970 Moon, 2003, heat transfer enhancement using a convex-patterned surface, J. Turbomach, 125, 274, 10.1115/1.1556404 Moser, 1999, Direct numerical simulation of turbulent channel flow up Reτ=590, Phys. Fluids, 11, 943, 10.1063/1.869966 Ruck, B., 1987. Laser-Doppler-Velocimetry. AT-Fachverlag GmbH. Sirovich, 1987, Turbulence and the dynamics of coherent structures. Part i: coherent structures. Part ii: symmetries and transformations. Part iii: dynamics and scaling, Quart. Appl. Math., 45, 561590 Turnow, 2010, Vortex mechanism of heat transfer enhancement in a channel with spherical and oval dimples, Heat Mass Transfer, 47, 301, 10.1007/s00231-010-0720-5 Turnow, J., 2011. Flow structures and heat transfer on dimpled surfaces. Ph.D. thesis. University of Rostock. VDI-organization, 2003. VDI heat Atlas. Springer. Wieghardt, 1953, Erhöhung des turbulenten Reibungswiderstandes durch Oberflächenstoerungen, Forschungshefte fur Schiffstechnik, 1, 65 Wuest, 2004, Dellen im Dach, Spiegel, 14, 170 Zang, 1993, A dynamic mixed subgrid-scale model and its application to turbulent recirculating flow, Phys. Fluids, 12, 3186, 10.1063/1.858675