@article{
 title = {Tackling complex turbulent flows with transient RANS},
 type = {article},
 year = {2009},
 identifiers = {[object Object]},
 volume = {41},
 id = {5084ee38-23d9-3cc4-9a33-eb888a457b7d},
 created = {2016-07-04T15:47:04.000Z},
 file_attached = {false},
 profile_id = {9ae16654-7965-34c4-a29e-d4f92d33dc08},
 last_modified = {2017-03-27T13:24:48.724Z},
 read = {false},
 starred = {false},
 authored = {true},
 confirmed = {false},
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 abstract = {This article reviews some recent applications of the transient-Reynolds- averaged Navier-Stokes (T-RANS) approach in simulating complex turbulent flows dominated by externally imposed body forces, primarily by thermal buoyancy and the Lorentz force. The T-RANS aims at numerical resolving unsteady (semi-) deterministic vortical structures in flows with sufficiently strong internal forcing. With a well-tested RANS model to account for the unresolved 'subscale' motion, the T-RANS is considered as a tool for solving large-scale high Rayleigh and Reynolds numbers, which are inaccessible to the conventional large-eddy simulation (LES) or any other numerical simulation approach. First, a brief outline of the T-RANS rationale is presented and its potential illustrated in the simulation of Rayleigh-B?rnard convection in an infinite domain for over a ten-decade range of Rayleigh numbers (106-2?10 16). The accurate prediction of heat transfer over a wide range of Rayleigh numbers provided sufficient credibility in the approach and its application to a variety of real-life flows dominated by body forces. This is illustrated by three examples of complex environmental and multi-physics phenomena: dynamics of a fuel-oil cooling inside a sunken tanker wreck, diurnal variations of air-movement and pollutant spreading over a mesoscale mountain city in a valley capped by a thermal inversion layer, and finally in the generation and self-sustenance of a magnetic field by a highly turbulent helical sodium movement. The simulated results agree well with the experimental data where available. ? 2009 The Japan Society of Fluid Mechanics and IOP Publishing Ltd.},
 bibtype = {article},
 author = {Kenjere?, S. and Hanjali?, K.},
 journal = {Fluid Dynamics Research},
 number = {1}
}

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This is illustrated by three examples of complex environmental and multi-physics phenomena: dynamics of a fuel-oil cooling inside a sunken tanker wreck, diurnal variations of air-movement and pollutant spreading over a mesoscale mountain city in a valley capped by a thermal inversion layer, and finally in the generation and self-sustenance of a magnetic field by a highly turbulent helical sodium movement. 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