High Reynolds Number Simulations
NUMERICAL SIMULATIONS ON FLOW AROUND AN INCLINED CIRCULAR CYLINDER AT HIGH REYNOLDS NUMBER
... numerical simulations are found in good agreement with the litera- ture data for the cross-flow circular cylinder ...critical Reynolds number ...Strouhal number remain almost unchanged using ...
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A comparative study of boundary conditions for lattice Boltzmann simulations of high Reynolds number flows
... Cavity flow a b s t r a c t Four commonly-used boundary conditions in lattice Boltzmann simulation, i.e. the bounce-back, non- equilibrium bounce-back, non-equilibrium extrapolation, and the kinetic boundary condition, ...
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A comparative study of boundary conditions for lattice Boltzmann simulations of high Reynolds number flows
... Cavity flow a b s t r a c t Four commonly-used boundary conditions in lattice Boltzmann simulation, i.e. the bounce-back, non- equilibrium bounce-back, non-equilibrium extrapolation, and the kinetic boundary condition, ...
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Lattice Boltzmann Method simulations of high Reynolds number flows past porous obstacles
... rameters for case IV, Re D = 49410. For all other Reynolds numbers the same mesh densities were used, however, the remaining parameters will differ due to differing LBM inlet velocity. This being a water channel, ...
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High Reynolds number flow over cylinders: A Review
... at Reynolds number Re = 10 4 By direct numerical simulations ...strouhal number are in good agreement and mean pressure distribution on the cylinder surface with high-resolution mesh ...
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Reynolds and Mach Number Scaling in Stationary Compressible Turbulence Using Massively Parallel High Resolution Direct Numerical Simulations
... III REYNOLDS AND MACH NUMBER SCALING IN STATIONARY COMPRESSIBLE TURBULENCE Common features that distinguish compressible flows from its incompressible counterpart are the presence of fluctuations of ...
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How To Model A High Reynolds Number Supersonic Base Flow
... RANS/LES and LES methodologies have also been used on the coarse grid to highlight the in fluence of the mean boundary layer pro file on the near-wake development. As no realistic inflow fluctuations are introduced, the ...
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Evaluation of Advanced Turbulence Models for High Reynolds Number External Flow
... inexpensive simulations where the viscous sublayer can be fully resolved or ...numerical simulations because of this prevalent and nonlinear flow feature has significant implications on the vehicle drag and ...
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Turbulent mixing due to the Holmboe wave instability at high Reynolds number
... the simulations which we are considering here, since we expect that sufficiently far above and below the shear layer the turbulent dissipation and the buoyancy frequency will both drop to very small ...
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High-Reynolds Number Circulation Control Testing in the National Transonic Facility
... propulsion simulations at high Reynolds numbers in the National Transonic Facility at the NASA Langley Research Center is being ...study Reynolds number scaling effects for several ...
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Numerical and experimental anlysis of a high lifting airfoil at low Reynolds number flows
... their high computational cost inhibits their use in industrial ...so high level of detail, but still capture the significant part of the turbulent flow, named Large Eddy Simulations, or LES, are also ...
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Unsteady Simulations of Flow Around a Smooth Circular Cylinder at Very High Reynolds Numbers Using OpenFOAM
... enough Reynolds number, 𝑅𝑒 = 𝑈 ∞ 𝐷/𝜈, that the flow can exist in turbulent ...The Reynolds number is a non-dimensional quantity that relates inertial forces to viscous ...
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Reynolds Number
... The transitional from laminar to turbulent flow depends on geometry, surface roughness, flow velocity, surface temperature, and type of fluid. However, Osborne Reynolds discovered that the flow regime mainly ...
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Reynolds Number Group2
... the Reynolds number is less than about 2,000, flow in a pipe is generally laminar, whereas, at values greater than 2,000, flow is usually ...the Reynolds number but in a range usually ...
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Determination of Reynolds NUmber
... the Reynolds’ number for the different types of flow of ...a number that indicates whether the flow of a fluid (liquid or gas) is absolutely steady (laminar flow) or on the average steady with small, ...
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Aspects of magnetohydrodynamic duct flow at high magnetic Reynolds number
... h Reynolds number and a is a scale length, produces results which agree quite well with the fields we observed in a moving conductor in which the only currents were the induced eddy ...magnetic ...
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Model for the dynamics of micro-bubbles in high-Reynolds-number flows
... and the second for the fluid inertia terms. For the instantaneous norm of both forces, we consider the fluctuations of the energy transfer rate, relying on the fact that the fluctuations of the norm are self-similar for ...
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Reynolds-Number Scaling Effects on the EUROPEAN High Lift Configurations
... European High-Lift projects I and II, extensive experimental and numerical investigations on the aerodynamics of high-lift con figurations have been carried ...complete high-lift con figuration, ...
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High Reynolds number analysis of an axisymmetric afterbody with flow separation
... Predicted surface pressure coefficient distributions and integrated afterbody drag are compared with experimental data obtained from the NASA-Langley 0.3 m Transonic Cryogenic Tunnel.. P[r] ...
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Interactions within the turbulent boundary layer at high Reynolds number
... & Klewicki 2001; Gulitski et al. 2007 and references therein) because it represents a sole truly high-Reynolds-number facility. The challenges associated with field tests in this environment are ...
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