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Keywords: turbulence modelingClose
Mohammed El Mellouki, Shanti Bhushan, Chris Pilmaier, D. K. Walters, Michael Gorman, Brent Hollrah, Y. A. Hassan, Elia Merzari, Aleksandr Obabko, M. B. Dzodzo
Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T05A008, August 3–5, 2022
Paper No: FEDSM2022-86863
... Abstract The objective of this study is to assess the predictive capabilities of low and high-fidelity turbulence models for low-Prflows. For this purpose, predictions by two-equation (k-ε) Reynolds-Averaged Navier Stokes (RANS), partially-averaged Navier Stokes (PANS) hybrid RANS/Large Eddy...
Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A008, July 13–15, 2020
Paper No: FEDSM2020-20038
...Abstract Abstract A stand-alone machine learned turbulence model is applied for the solution of integral boundary layer equations, and issues and constraints associated with the model are discussed. The results demonstrate that grouping flow variables into a problem relevant parameter for input...
S. Bhushan, M. Elmellouki, W. D. Jock, D. K. Walters, J. K. Lai, Y. A. Hassan, A. Obabko, E. Merzari
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A054, July 28–August 1, 2019
Paper No: AJKFluids2019-5273
...Abstract Abstract This study performs a comprehensive analysis of the effect of flow separation and reattachment, convective conditions and Pr to understand their effect on heat transfer characteristics and the predictive capability of low- and hig-fidelity turbulence models are assessed...
Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 715-725, July 11–15, 2004
Paper No: HT-FED2004-56356
... are discussed. The potential of very large eddy simulations (VLES) of flows dominated by (pseudo)-deterministic eddy structures, based on transient RANS (T-RANS) and similar approaches is discussed and illustrated in an example of “ultra-hard” (very high Ra) thermal convection. Turbulence modeling...