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- Title
An Algebraic Non-Equilibrium Turbulence Model of the High Reynolds Number Transition Region.
- Authors
Basse, Nils T.
- Abstract
We present a mixing length-based algebraic turbulence model calibrated to pipe flow; the main purpose of the model is to capture the increasing turbulence production-to-dissipation ratio observed in connection with the high Reynolds number transition region. The model includes the mixing length description by Gersten and Herwig, which takes the observed variation of the von Kármán number with Reynolds number into account. Pipe wall roughness effects are included in the model. Results are presented for area-averaged (integral) quantities, which can be used both as a self-contained model and as initial inlet boundary conditions for computational fluid dynamics simulations.
- Subjects
REYNOLDS number; COMPUTATIONAL fluid dynamics; TURBULENCE; PIPE flow; NONEQUILIBRIUM flow
- Publication
Water (20734441), 2023, Vol 15, Issue 18, p3234
- ISSN
2073-4441
- Publication type
Article
- DOI
10.3390/w15183234