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• CHAM FAQ
  ...hich is applicable to steady or unsteady, one- , two- or three-dimensional turbulent or laminar, multi-phase, compressible or incompressible flows using Cartesi ...volved: is this single-phase, is there any heat transfer, is it laminar or turbulent, is there radiation, etc.?
  37 KB (5,717 words) - 12:46, 9 December 2019
• Heat transfer
  ... kind of convection heat transfer, the fluid flow can be either laminar or turbulent. Turbulent flow forms when the boundary layer is shedding or breaking due to higher ve
  6 KB (990 words) - 03:23, 17 February 2009
• Turbulent flow over backward facing step
  ...'''Driver, D,M., and Seegmiller, H,L.''' (1985). Features of a Reattaching Turbulent Shear Layer in Divergent Channel Flow. AIAA Journal, 23, 163-171.
  354 B (49 words) - 08:50, 25 November 2009
• Kato-Launder modification
  ...reduce the tendency that many two-equation models have to over-predict the turbulent production in regions with large normal strain, i.e. regions with strong ac ...Wiki article on [[low-Re k-epsilon models]] the transport equation for the turbulent energy, <math>k</math>, used in most two-equation models can be written as:
  6 KB (938 words) - 09:12, 12 June 2007
• Scalar dissipation
  In turbulent flows, the scalar dissipation is seen as a scalar energy dissipation} and i turbulent energy <math> \epsilon </math>. This term is known as the turbulent scalar dissipation
  2 KB (246 words) - 16:41, 12 April 2007
• Two phase flow
  ...nqueres PH., Guesbet G.|year=1990|title= Particle Lagrangian simulation in turbulent Flows|rest=Int. J. Multiphase Flow, 16-1, pp 19-34}} ...o-flow on particles or droplets dispersion and on droplets vaporization in turbulent air flow |rest=ICAMEM2006, Hammamet, Tunisia}}
  13 KB (2,060 words) - 11:38, 6 December 2010
• Wall modeling
  ...imated by wall equations. This is achieved by having the first cell in the turbulent region by calculating the y+
  198 B (36 words) - 05:41, 2 March 2006
• Turbulence intensity
  where <math>u'</math> is the root-mean-square of the turbulent velocity fluctuations and <math>U</math> is the mean velocity ([[Reynolds a If the turbulent energy, <math>k</math>, is known <math>u'</math> can be computed as:
  5 KB (661 words) - 16:24, 23 July 2022
• Turbulence length scale
  ...al quantity describing the size of the large energy-containing eddies in a turbulent flow. ...e larger than the dimension of the problem, since that would mean that the turbulent eddies are larger than the problem size.
  3 KB (428 words) - 19:56, 15 June 2012
• Hydraulic diameter
  ===Estimating the turbulent length-scale=== For fully-developed flow in non-circular ducts the [[turbulent length scale]] can be estimated as <math>0.07 \, d_h</math>. This is as use
  2 KB (267 words) - 09:58, 17 December 2008
• Turbulence free-stream boundary conditions
  ...ink in terms of variables like the incoming [[turbulence intensity]] and [[turbulent length scale]] or [[eddy viscosity ratio]]. These properties are more intui ===Modified turbulent viscosity===
  4 KB (712 words) - 11:59, 15 January 2014
• Eddy viscosity ratio
  ... viscosity ratio, <math>\frac{\mu_t}{\mu}</math>, is the ratio between the turbulent viscosity, <math>\mu_t</math>, and the molecular dynamic viscosity, <math>\ Eddy viscosity ratio is often also called turbulent viscosity ratio or simply viscosity ratio.
  1 KB (201 words) - 12:26, 19 December 2008
• Near-wall treatment for LES models
  ...a refined mesh is embedded into the main flow,and the following simplified turbulent boundary-layer equations are solved: The boundary conditions for the turbulent boundary layer equations
  3 KB (497 words) - 12:30, 8 June 2006
• Focus area May 2006: Turbulence modeling
  ##[[Turbulent kinetic energy]]
  2 KB (268 words) - 15:34, 11 May 2006
• Eddy viscosity
  ...n) is modeled with a molecular viscosity. The hyptheses that the effect of turbulent eddies on the flow can be modeled in this was is often refered to as the [[ The eddy viscosity is also commonly called the turbulent viscosity and it is normally written as <math>\mu_t</math>.
  564 B (93 words) - 18:22, 6 May 2006
• Boussinesq eddy viscosity assumption
  | title = About Boussinesq’s turbulent viscosity hypothesis: historical remarks and a direct evaluation of its val </ref> that the momentum transfer caused by turbulent eddies can be modeled with an eddy viscosity. This is in analogy with how t
  2 KB (292 words) - 09:15, 3 January 2012
• Wall functions
  ...tion and dissipation of the turbulent kinetic energy, therefore decreasing turbulent instability in near-wall simulations.
  600 B (92 words) - 09:47, 17 December 2008
• Skin friction coefficient
  For a turbulent boundary layer several approximation formulas for the local skin friction f ... it is valid between 5x10^5<Re<10^7 with the assumption of the flow being turbulent from the leading edge (page 639)
  4 KB (516 words) - 12:14, 14 January 2016
• Law of the wall
  ''We should have a lin-log plot here of a typical turbulent boundary layer to illustrate where the log-law is valid, anyone have one ha
  744 B (111 words) - 08:32, 7 September 2011
• Yap correction
  ...under, B. E.|year=1993|title=Modelling Convective Heat Transfer in Complex Turbulent Flows|rest=Engineering Turbulence Modeling and Experiments 2, Proceedings o {{reference-book|author=Yap, C. J.|year=1987|title=Turbulent Heat and Momentum Transfer in Recirculating and Impinging Flows|rest=PhD Th
  3 KB (513 words) - 18:55, 9 November 2010