...Diego Hayashi Alonso; Patrick E. Farrell; Julio R. Meneghini; Emilio Carlos Nelli Silva Purpose The purpose of this paper is to present the first topology optimisation formulation for transient turbulent compressible flow modelled with the unsteady Favre-averaged Navier–Stokes equations. Design...

... Limited Licensed re-use rights only Euler equations Discontinuous Galerkin method Compressible flow Domain decomposition strategy Parallel efficiency TVD Runge–Kutta scheme T = length of time interval [s]; Q = conservative state vector; γ = ratio...

... to present a numerical investigation of the effect of scaling down a convergent-divergent (de Laval) nozzle, which is typically used in the cold spray industry, on the compressible flow parameters and thermal characteristics. Design/methodology/approach The Navier–Stokes equations and energy equation...

... 18 12 2017 19 12 2017 © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Compressible flow LES/DNS Cascade flows Laminar-turbulent transition Low-pressure turbine High-fidelity prediction of and detailed investigation...

... Group Publishing Limited 2016 Compressible flow Explicit Runge-Kutta scheme Shock capturing Stabilized finite elements Variational multi-scale (VMS) The compressible Navier-Stokes equations are commonly used to model flow problems when compressibility effects become relevant. Some...

... aims to discuss this issue. Design/methodology/approach – In addition to having vorticity and dilatation properties, the vortex particles also carry density, enthalpy, and entropy. Taking co-rotating vortices in two-dimensional unsteady compressible flow for an example, truncation of unbounded...

... be contacted at: amalan@csir.co.za © Emerald Group Publishing Limited 2008 Convection Flow Fluid dynamics Compressible flow Porous materials Roman Symbols A=surface (m^{2) B =solid‐phase matrix drag (kg/m2 s2) c_τ}...

... be contacted at: zhengjg9705@yahoo.com © Emerald Group Publishing Limited 2008 Simulation Liquid flow Mixtures Compressible flow Compressible multi‐fluid flows with interfaces are involved in many applications from gas mixing for combustion to bubbly flow and Richtmyer‐Meshkov...

...@hotmail.com © Emerald Group Publishing Limited 2008 Fluid dynamics Numerical analysis Flow Compressible flow The multigrid (MG) approach is regarded as one of the most significant developments in numerical analysis in the last 30 years. MG techniques (Brandt, 1977, 1985 ; Hackbusch...

...P. De Palma Purpose This paper aims to provide a validation of a state‐of‐the‐art methodology for computing three‐dimensional transitional flows in turbomachinery. Design/methodology/approach The Reynolds‐averaged Navier‐Stokes equations for compressible flows are solved. Turbulence is modeled...

...C.G. Thomas; P. Nithiarasu Purpose To improve inviscid compressible flow solution. Design/methodology/approach A local element‐size calculation procedure in the streamline direction and a local variable smoothing approach are employed to improve inviscid compressible flow solution...

... techniques Differential equations Compressible flow The relentless advance in numerical methods and computer power has made accurate flow simulations involving realistic geometries a reality. Such simulations are increasingly reducing the amount of lengthy (and costly) experiments in the aerospace...

.... It is of interest to identify under what fluid flow regime it may be possible to induce ignition for the reactor model explored earlier. Compressible flows involve shocks, expansion waves and contacts; a test problem that involves all of these features is a standard shock tube problem. The inert shock tube problem...

... between microscopic and macroscopic approaches of fluid saturated porous enclosures, cavities with interface between fluid saturated porous medium and single phase fluid are also investigated. © MCB UP Limited 2003 Porous materials Compressible flow Convection Flow through porous...

... is used for solving the Navier–Stokes equations governing a compressible flow at a low Mach number and high temperature. Particular attention is focused on the treatment of the boundary conditions on the vent surface. This has been treated by an original procedure using the resolution of a Riemann problem...

... scheme for inviscid and viscous flows. © MCB UP Limited 1993 Upwind finite volume scheme Euler equations Unstructured grids Compressible flow Navier‐Stokes equations INT. J. NUM. METH. HEAT FLUID FLOW, VOL. 3, 2 8 3 - 3 0 4 (1993) AN UPWIND UNSTRUCTURED GRID SOLUTION ALGORITHM...