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Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A027, August 10–12, 2021
Paper No: FEDSM2021-65494
...Abstract Abstract Flow over arrays of cubes is an extensively studied model problem for rough wall turbulent boundary layers. While considerable research has been performed in computationally investigating these topologies using DNS and LES, the ability of sublayer-resolved RANS to predict...
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A052, July 28–August 1, 2019
Paper No: AJKFluids2019-4920
...Hybrid RANS-LES Simulation of Turbulent Heat Transfer in a Channel Flow with Imposed Spanwise and Streamwise Mean Temperature Gradient Olalekan O. Shobayo and D. Keith Walters School of Aerospace and Mechanical Engineering University of Oklahoma Norman, OK 73019 USA ABSTRACT Computational fluid...
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A031, July 28–August 1, 2019
Paper No: AJKFluids2019-4795
... mesh models. The number of the blade surface mesh, and the initial height, height ratio, and number of prism layers are changed, but there is no improvement through these approaches. In this paper, CFD verification and validation are conducted for the box fan. CFD benchmark box fan RANS...
Topics: Computational fluid dynamics
Freddy Jeanty, Jesu´s De Andrade, Miguel Asuaje, Frank Kenyery, Auristela Va´squez, Orlando Aguillo´n, Andre´s Tremante
Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 331-338, August 2–6, 2009
Paper No: FEDSM2009-78303
... of the Rayleigh Plesset cavitation model, the required Net Positive Suction Head (NPSHr) has been predicted from CFD simulations. Finally, a full cavitation test can be reproduced for a Hydraulic Turbomachine to avoid this dangerous phenomenon. Keywords: Cavitation, Centrifugal Pump-Turbine, RANS, Rayleigh...
Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 1285-1291, July 11–15, 2004
Paper No: HT-FED2004-56814
... consumption. A thorough Proceedings of HT-FED04 2004 ASME Heat Transfer/Fluids Engineering Summer Conference 1 Copyright © 2004 by ASME are significant differences between experiments and tions. EYWORDS: RANS, RNG turbulence model, exposure ment, Reynolds Number ENCLATURE mean concentration scalar source term...
Proc. ASME. FEDSM2003, Volume 2: Symposia, Parts A, B, and C, 1887-1894, July 6–10, 2003
Paper No: FEDSM2003-45334
... the proper amount of turbulence modelling for the unresolved scales while directly computing the largest scales. The strategy is implemented by using state-of-the-art turbulence models (as developed for RANS) and scaling of the model terms with a “contribution function”. The contribution function...