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This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-06-26 and was most recently seen on 2026-06-26.
The k-epsilon (k-ε) turbulence model is one of the most common models used in computational fluid dynamics (CFD) to simulate mean flow characteristics for turbulent flow conditions. It is a two-equation model that gives a general description of turbulence by means of two transport equations. The original impetus for the k-epsilon model was to improve the mixing-length model, as well as to find an alternative to algebraically prescribing turbulent length scales in moderate- to high-complexity flows.The first transported variable is the turbulence kinetic energy (k).
The second transported variable is the rate of dissipation of turbulence kinetic energy (ε).
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