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Modelling of turbulent flow in a curved combined diffuser
The paper deals with experimental and numerical modelling of turbulent flow in a curved combined diffuser formed by bend of constant cross-section, straight spacer, and straight one-sided diffuser. For low Reynolds numbers,...
BK - Mechanika tekutin
- 2005 •
- D
Rok uplatnění
D - Stať ve sborníku
Numerical solution of flow through a curved diffuser
Numerical solution of turbulent flow through a curved diffuser is based on the artificial compressibility method. A cell centered finite volume method is used scheme with turbulence model equations solved decoupled from RAN...
BK - Mechanika tekutin
- 2004 •
- D
Rok uplatnění
D - Stať ve sborníku
Anomalous diffusion and radial electric field generation due to edge plasma turbulence
Anomalous diffusion is discussed for the case of a radial electric field that is induced by the edge plasma turbulence.
BL - Fyzika plasmatu a výboje v plynech
- 2004 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Losses of turbulent flow in curved channels and diffusers of rectangular cross-section
Turbulent flow in curved channels and diffusers of rectangular cross-section was numerically solved using the CFX software. The prediction of flow in a channel of squared cross-section and in a diffuser with flow curvature ...
BK - Mechanika tekutin
- 2004 •
- D
Rok uplatnění
D - Stať ve sborníku
Anomalous Ion Diffusion and Radial-Electric-Field Generation in a Turbulent Edge Plasma Potential Weakly Correlated in Time and Space
a new type of anomalous impurity diffusion in this regime. In the present contribution, we estimate this diffusion in the test-particle approach for a real turbulentUsing a simple model of tokamak-edge-plasma turbulenc...
BL - Fyzika plasmatu a výboje v plynech
- 2005 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Turbulent diffusion of scalar magnitudes at physical modeling of atmospheric boundary layer.
Original scientific paper dealing with Turbulent diffusion of scalar magnitudes at physical modeling of atmospheric boundary layer.
BK - Mechanika tekutin
- 1999 •
- D
Rok uplatnění
D - Stať ve sborníku
Analysis of turbulent flow in curved channels and diffusers
Numerical simulation of flow through curved channels and diffusers on the development of secondary flow and the onset of separation region. Turbulent flow through plane diffusers of rectangular cross section with area ratio...
BK - Mechanika tekutin
- 2004 •
- D
Rok uplatnění
D - Stať ve sborníku
Anomalous impurity diffusion in an experimentally measured turbulent potential
It is generally accepted that tokamak edge-plasma turbulence causes anomalous diffusion. In our foregoing papers we have shown that considerable differences between for impurity ions in simple models of plasma turbulence. I...
BL - Fyzika plasmatu a výboje v plynech
- 2005 •
- D
Rok uplatnění
D - Stať ve sborníku
Application of advanced turbulence models for turbulent flow in a plane asymmetric diffuser
Turbulent flow in a plane diffuser was numerically simulated using the commercial software ANSYS CFX 12.0. Besides the standard two-equation k-eps and k-omega models, advanced models like SST-SAS, RANS-LES and EARSM were tested usin...
BK - Mechanika tekutin
- 2010 •
- D
Rok uplatnění
D - Stať ve sborníku
Coarse particle support in turbulent flow of visco-plastic carrier
with carrier turbulent eddies. The turbulent support is quantified by a turbulent-diffusion. In the model, the particle turbulent diffusivity is an important parameter dependent vary with the she...
BK - Mechanika tekutin
- 2016 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
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