Results 81 to 90 of about 359,044 (195)

Progress in turbulence modeling for complex flow fields including effects of compressibility [PDF]

open access: yes
Two second-order-closure turbulence models were devised that are suitable for predicting properties of complex turbulent flow fields in both incompressible and compressible fluids.
Rubesin, M. W., Wilcox, D. C.
core   +1 more source

Cavitation and slip performance analysis of dynamically loaded sleeve bearing

open access: yesAdvances in Mechanical Engineering, 2017
The generalized Reynolds equation of dynamically loaded sleeve bearing is established based on mass conservation boundary condition and wall-slip effect.
Li-Li Wang, Qing-Liang Zeng, Xin Zhang
doaj   +1 more source

Study on lattice Boltzmann method/large eddy simulation and its application at high Reynolds number flow

open access: yesAdvances in Mechanical Engineering, 2015
Lattice Boltzmann method combined with large eddy simulation is developed in the article to simulate fluid flow at high Reynolds numbers. A subgrid model is used as a large eddy simulation model in the numerical simulation for high Reynolds flow.
Haiqing Si, Yan Shi
doaj   +1 more source

An assessment and application of turbulence models for hypersonic flows [PDF]

open access: yes
The current approach to the Accurate Computation of Complex high-speed flows is to solve the Reynolds averaged Navier-Stokes equations using finite difference methods.
Coakley, T. J.   +3 more
core   +1 more source

A diagonally inverted LU implicit multigrid scheme for the 3-D Navier-Stokes equations and a two equation model of turbulence [PDF]

open access: yes
An LU implicit multigrid algorithm is developed to calculate 3-D compressible viscous flows. This scheme solves the full 3-D Reynolds-Averaged Navier-Stokes equation with a two-equation kappa-epsilon model of turbulence. The flow equations are integrated
Yokota, Jeffrey W.
core   +1 more source

A fan pressure ratio correlation in terms of Mach number and Reynolds number for the Langley 0.3 meter transonic cryogenic tunnel [PDF]

open access: yes
Calibration data for the two dimensional test section of the Langley 0.3 Meter Transonic Cryogenic Tunnel were used to develop a Mach number-Reynolds number correlation for the fan pressure ratio in terms of test section conditions.
Adcock, J. B.   +2 more
core   +1 more source

A review of near-wall Reynolds-stress [PDF]

open access: yes
The advances made in second-order near-wall turbulence closures are summarized. All closures examined are based on some form of high Reynolds number models for the Reynolds stress and the turbulent kinetic energy dissipation rate equations. Consequently,
Hwang, B. C.   +3 more
core   +1 more source

Complex singularities and PDEs

open access: yes, 2015
In this paper we give a review on the computational methods used to characterize the complex singularities developed by some relevant PDEs. We begin by reviewing the singularity tracking method based on the analysis of the Fourier spectrum.
Caflisch, R. E.   +3 more
core  

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