Turbulence kinetic energy: Difference between revisions
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<div class="definition"><div class="short_definition">(Abbreviated TKE.) The [[mean kinetic energy]] per unit mass associated with [[eddies]] in [[turbulent flow]].</div><br/> <div class="paragraph">A budget equation for TKE can be formed from the [[Navier–Stokes equations]] for [[incompressible fluid]] flow through Reynolds decomposition and [[Reynolds averaging]]. For most meteorological applications it is assumed that [[buoyancy]] effects are in the ''z'' direction only, that the mean vertical [[velocity]] is zero (hydrostatic scaling), and that [[molecular diffusion]] is neglected. <br/>''See also'' [[hydrostatic balance]], [[isotropic turbulence]], [[local isotropy]], [[Reynolds number]], [[Reynolds stresses]], [[turbulence length scales]], [[turbulence spectrum]], [[viscous fluid]].</div><br/> </div><div class="reference">Hinze, J. O. 1975. Turbulence. 2d ed., McGraw–Hill, . 790 pp. </div><br/> | <div class="definition"><div class="short_definition">(Abbreviated TKE.) The [[mean kinetic energy]] per unit mass associated with [[eddies]] in [[turbulent flow]].</div><br/> <div class="paragraph">A budget equation for TKE can be formed from the [[Navier–Stokes equations]] for [[incompressible fluid|incompressible fluid]] flow through Reynolds decomposition and [[Reynolds averaging]]. For most meteorological applications it is assumed that [[buoyancy]] effects are in the ''z'' direction only, that the mean vertical [[velocity]] is zero (hydrostatic scaling), and that [[molecular diffusion]] is neglected. <br/>''See also'' [[hydrostatic balance]], [[isotropic turbulence]], [[local isotropy]], [[Reynolds number]], [[Reynolds stresses|Reynolds stresses]], [[turbulence length scales]], [[turbulence spectrum]], [[viscous fluid]].</div><br/> </div><div class="reference">Hinze, J. O. 1975. Turbulence. 2d ed., McGraw–Hill, . 790 pp. </div><br/> | ||
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Latest revision as of 17:09, 25 April 2012
turbulence kinetic energy
A budget equation for TKE can be formed from the Navier–Stokes equations for incompressible fluid flow through Reynolds decomposition and Reynolds averaging. For most meteorological applications it is assumed that buoyancy effects are in the z direction only, that the mean vertical velocity is zero (hydrostatic scaling), and that molecular diffusion is neglected.
See also hydrostatic balance, isotropic turbulence, local isotropy, Reynolds number, Reynolds stresses, turbulence length scales, turbulence spectrum, viscous fluid.
See also hydrostatic balance, isotropic turbulence, local isotropy, Reynolds number, Reynolds stresses, turbulence length scales, turbulence spectrum, viscous fluid.
Hinze, J. O. 1975. Turbulence. 2d ed., McGraw–Hill, . 790 pp.
