Turbulence model
Dynamic Stall Prediction of a Pitching Airfoil using an Adjusted Two-Equation URANS Turbulence Model
... a turbulence model in the wide range of flows (Arabshahi et ...excessive turbulence level within the boundary layer, enhancing the momentum transfers to the near wall regions which helps the boundary ...
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Assessment of three turbulence model performances in predicting water jet flow plunging into a liquid pool
... stress model and slightly un der pre dicted by both stan dard and re al iz able k-e mod ...k-e model match well with ex per i men tal mea sure ments of Iguchi et ...stress model to de scribe the ve ...
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Intermittent heating of the solar corona by MHD turbulence
... a model for a solar coronal loop based on MHD and including the nonlinear transfer of energy across scales and the propagation of Alfv´en waves in a stratified ...this model make it suitable for a ...
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Influence of the choice of the inlet turbulence intensity on the performance of numerically simulated moderate Reynolds jet flows – Part 1 – the near exit region of the jet
... numerical model reproducing the flow through an orifice is the choice of a correct value for the turbulence intensity at the inlet of the numerical domain in order to obtain at the exit plane of the jet the ...
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Turbulent viscosity optimized by data assimilation
... a turbulence model where the turbulent viscosity and diusivity coecients are expressed as functions of the turbulent state of the sea ...This model, called k L model, takes the following ...
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Three-Gorges Dam Fine Sediment Pollutant Transport: Turbulence SPH Model Simulation of Multi-Fluid Flows
... of turbulence modeling on the gravity flow features, the ISPH model has been re-run without the flow turbulence ...SPS turbulence model to set the Smagorinsky constant C = ...the ...
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Turbulence Modeling Insights into Supercritical Nitrogen Mixing Layers
... same turbulence model for the entire inertial scales, in LES, the larger inertial scales are solved, and an SGS (Sub-Grid Scale) model is used for the smaller ...several turbulence models in ...
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J. Aerosp. Technol. Manag. vol.7 número4
... he turbulence model used is the SST k-ω, described by Menter (1994), as well the wall ...robust model that can provide good results with low separation under adverse pressure ...
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J. Aerosp. Technol. Manag. vol.6 número1
... k-ε turbulence model (Launder and Spalding, 1972) was used to calculate the mean and turbulence ...full model, since RANS is only able to provide an average flow-field for the parameters of ...
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Determination of Turbulence Coefficient using Genetic Algorithms
... considered turbulence loss coefficient as variable and proposed its upper limit equal to ...[4] turbulence loss coefficient may have a value between 1 and ...for turbulence loss coefficient as ...
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Turbulence associated with mountain waves over Northern Scandinavia – a case study using the ESRAD VHF radar and the WRF mesoscale model
... used model grids with horizontal resolution of 10s of kilo- metres, so that only waves with very long horizontal wavelengths (100 s of km) were ...wave-related turbulence in the troposphere or lower ...
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Turbulence associated with mountain waves over Northern Scandinavia – a case study using the ESRAD VHF radar and the WRF mesoscale model
... In this study we will use the Advanced Research Weather Research and Forecasting model (WRF-ARW, Skamarock et al., 2005, 2007), which has already been applied with considerable success to modelling mountain waves ...
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Investigation of the strong turbulence in the geospace environment
... by model, given in (Aburja- nia et ...weak turbulence (Horton, ...of turbulence (we shall partially consider its influence expressed in stochastization of a vortex structures’ ...
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A new method for fiber orientation distribution in a planar contracting turbulent flow
... Euler model is proposed to predict fiber orientation distribution at high Reynolds number in a dilute planar ...The model mainly accounts for the evolution of mean velocity and turbulence-induced ...
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On the wind stress formulation over shallow waters in atmospheric models
... tions, and thus isolate the dominant influence of the roughness formulation. Results indicate that a positive wind speed bias exists when the common open ocean formula- tion for roughness is adopted. An alternative ...
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Schneefernerhaus as a mountain research station for clouds and turbulence – Part 1: Flow conditions and large-scale turbulence
... In fact, the turbulence is close to be axisymmetric, with both “one smaller eigenvalue” and “one larger eigenvalue” cases. As the Reynolds number increases, however, there is a trend for the flow to become more ...
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Experimental Investigation of Turbulence Specifications of Turbidity Currents
... of turbulence occurs near the upper edge of the flow and length scales of eddies is about the flow ...investigated turbulence structure of semi-steady density currents in a horizontal ...of ...
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Specific features of eddy turbulence in the turbopause region
... eddy turbulence above its peak always cools the ...uniform turbulence takes place in the turbopause ...localized turbulence can develop in the turbopause re- ...MSIS-E-90 model can be ...
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Modeling of short scale turbulence in the solar wind
... MHD turbulence is now being highly emphasized (Matthaeus et ...we model the observed reduced om- nidirectional spectra with the findings of the isotropic cas- cade considered in ...may model the ...
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Magnetic turbulence and particle dynamics in the Earth’s magnetotail
... while δb = 0.5. In order to ease the comparison between the two figures, the same color scales are used in both figures (that is why some panels in Fig. 1 do not show many col- ors), except for the density . In Fig. 2 it ...
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