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Keywords: turbulence models
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Proceedings Papers

Deep Learning Techniques for Effective Prediction of Aerodynamic Properties of Elliptical Bluff Bodies

W. M. U. Weerasekara, H. M. C. D. B. Gunarathna, W. A. K. P. Wanigasooriya, T. P. Miyanawala
Proc. ASME. FEDSM2021, Volume 1: Aerospace Engineering Division Joint Track; Computational Fluid Dynamics, V001T02A053, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-66265
https://doi.org/10.1115/FEDSM2021-66265
... coefficient will be represented in terms of root mean square value and drag coefficient in terms of a mean value. With variations in flow behavior and vortex shredding frequencies, it requires to select an appropriate turbulence model, optimum discretization of fluid domain and time step to obtain an accurate...
View Paper titled, Deep Learning Techniques for Effective Prediction of Aerodynamic Properties of Elliptical Bluff Bodies
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Topics: Aerodynamics, Artificial neural networks, Computation, Computational fluid dynamics, Data collection, Drag (Fluid dynamics), Eddies (Fluid dynamics), Experimental methods, Filters, Flow (Dynamics)
Proceedings Papers

Minimum Wall Distance Computations With Time-Dependent Geometry for CFD

Liwu Wang, Jian Feng, Yu Liu, Sijun Zhang
Proc. ASME. FEDSM2021, Volume 1: Aerospace Engineering Division Joint Track; Computational Fluid Dynamics, V001T02A017, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-61454
https://doi.org/10.1115/FEDSM2021-61454
... Abstract This paper presents an efficient and scalable method to calculate the minimum wall distance (MWD), which is necessary for the Reynolds-Averaged Navier-Stokes (RANS) turbulence models. The MWD is described by the distance field function which is essentially a partial differential...
View Paper titled, Minimum Wall Distance Computations With Time-Dependent Geometry for CFD
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Topics: Computation, Computational fluid dynamics, Geometry, Partial differential equations, Reynolds-averaged Navier–Stokes equations, Turbulence
Proceedings Papers

Computational Analysis of Fluid Flow in Pebble Bed Modular Reactor Using Different Turbulence Models

Akshay Gandhir, Yassin Hassan
Proc. ASME. FEDSM2010, ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting: Volume 1, Symposia – Parts A, B, and C, 1617-1621, August 1–5, 2010
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM-ICNMM2010-30974
https://doi.org/10.1115/FEDSM-ICNMM2010-30974
... OF FLUID FLOW IN PEBBLE BED MODULAR REACTOR USING DIFFERENT TURBULENCE MODELS Akshay Gandhir Department of Mechanical Engineering Texas A&M University College Station, Texas 77840 Email: [email protected] Dr. Yassin Hassan Department of Nuclear Engineering Texas A&M University College Station...
View Paper titled, Computational Analysis of Fluid Flow in Pebble Bed Modular Reactor Using Different Turbulence Models
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Topics: Computational fluid dynamics, Fluid dynamics, Pressure drop, Turbulence
Proceedings Papers

CFD Simulation of Liquid-Liquid Hydrocyclone: Oil/Water Application

Nabil Kharoua, Lyes Khezzar, Zoubir Nemouchi
Proc. ASME. FEDSM2009, Volume 1: Symposia, Parts A, B and C, 2085-2094, August 2–6, 2009
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2009-78054
https://doi.org/10.1115/FEDSM2009-78054
... 30 07 2010 In the present work, the oil-water separation occurring inside a de-oiling hydrocyclone is investigated numerically using the RSM [1] and the RNG k-ε [2] turbulence models combined with the multiphase mixture model of Manninen et al. [3] implemented in the commercial code...
View Paper titled, CFD Simulation of Liquid-Liquid Hydrocyclone: Oil/Water Application
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Topics: Computational fluid dynamics, Separation (Technology), Simulation, Turbulence, Water, Flow (Dynamics), Drops, Friction, Pressure drop, Stress
Proceedings Papers

Turbulent Flows in a Two-Dimensional 180° -Curved Diffuser With a Guide Vane

Mohamed S. Mohamed
Proc. ASME. FEDSM2002, Volume 1: Fora, Parts A and B, 629-638, July 14–18, 2002
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2002-31278
https://doi.org/10.1115/FEDSM2002-31278
... Cµ C1 C2 k Standard k- 0.09 1.44 1.92 1.0 1.3 Modified k- 0.09 1.15+0.25 P/ 1.90 0.8927 1.15 Table 2. The empirical constants used in the turbulence models 4 Copyright © 2002 by ASME 5 Copyright © 2002 by ASME 3 W1 The isotropic effective viscosity is given by: µ 2kCteff (2) The turbulence...
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Topics: Diffusers, Guide vanes, Turbulence