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eddy viscosity

    0.01 sec.
eddy viscosity [‚ed·ē vi′skäs·əd·ē]
(fluid mechanics)
The turbulent transfer of momentum by eddies giving rise to an internal fluid friction, in a manner analogous to the action of molecular viscosity in laminar flow, but taking place on a much larger scale.
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The eddy diffusivities for temperature and salinity were taken to be proportional to the eddy viscosity.
Validation of hydrostatic and non-hydrostatic versions of the ... by Passenko, Jelena; Lessin, Gennadi; Erichsen, Anders Christian; Raudsepp, Urmas / Estonian Journal of Engineering
The performance of the k-[epsilon] definition of the eddy viscosity degrades rapidly as solid walls are approached primarily due to incorrect scaling of turbulent kinetic energy.
Verification and validation of CFD for the personal micro-environment by Sideroff, Chris N.; Dang, Thong Q. / ASHRAE Transactions
Spalart and Allmaras (1992) proposed to directly solve a transport equation for eddy viscosity (the S-A model).
Evaluation of various turbulence models in predicting airflow and ... by Zhai, Zhiqiang (John); Zhang, Wei; Zhang, Zhao; Chen, Qingyan (Yan) / HVAC & R Research
 
 
 
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