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Experimental verification of CFD model ceiling swirl diffuser
The article deals with CFD modelling of isothermal airflow in software Flovent and its laboratory verification. Performed CFD simulations show very good agreement with experimentally obtained results....
JN - Stavebnictví
- 2009 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Determination of the Velocity Vectors in Outlet of Swirl Diffusers.
The software enables determination of the velocity vectors (magnitude and direction) in the outlet of swirl diffusers. Data are used as boundary conditions at simplified method of setting up boundary conditions for CFD simulation in...
JE - Nejaderná energetika, spotřeba a užití energie
- 2007 •
- X
Rok uplatnění
X - Nezařazeno
Model of swirl diffuser
The paer deals with a model of swirl diffuser for CFD, which was developed in order to speed up the calculation and simplify the setting of the boundary conditions for numerical simulations of the air flow in ventilated and air-cond...
JE - Nejaderná energetika, spotřeba a užití energie
- 2014 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Numerical and experimental investigation of swirling flow in a conical diffuser
The decelerated swirling flow often breaks down into helical structure which apparatus consisting of the swirl generator (producing a strong swirling flow) and the transparent conical diffuser (where the helical st...
Fluids and plasma physics (including surface physics)
- 2015 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Vortex breakdown, vorticity dynamics and energy dissipation in conical diffusers
Temporal development of the swirling flow in a conical diffuser was studied, influence of inlet velocity profile on behavior of vrticity dynamics and appearance of vortex breakdown was documented....
BK - Mechanika tekutin
- 2010 •
- O
Rok uplatnění
O - Ostatní výsledky
Swirl generator simulating swirling flow at the inlet to the draft tube
to achieve relatively high non-dimensional swirl number Sr= 0,6, which will guarantee onset of strongoncentrated swirling structure with considerable pressure drop within the vortex core in diffuser placed downstream of th...
Energy and fuels
- 2016 •
- Gfunk
Rok uplatnění
Gfunk - Funkční vzorek
Eigenmode shapes of the swirling flow in a diffuser
Swirling flow arises in the outlet diffuser of a hydraulic turbine for partial load operation regimes. Proper orthogonal decomposition (POD) based on the method of snapshots was applied to large data sets from unsteady CFD simulatio...
BK - Mechanika tekutin
- 2010 •
- O
Rok uplatnění
O - Ostatní výsledky
Computational Fluid Dynamic Study of the Flow Downstream of the Swirl Generator Using Large Eddy Simulation
modelling. Computational domain of swirl generator includes approximately 13 million of cells, consists of straight inlet pipe, swirl generator, conical diffuser diffuser so that generates swirling flow...
JE - Nejaderná energetika, spotřeba a užití energie
- 2013 •
- O •
- Link
Rok uplatnění
O - Ostatní výsledky
Výsledek na webu
Numerical and experimental analysis of turbulent swirling diffusion gas flames
The computational prediction of turbulent swirling diffusion flames poses a well known,difficult and challenging problem that has been studied by many researchers. The objective of the present article is to provide an experimental a...
JP - Průmyslové procesy a zpracování
- 2008 •
- D
Rok uplatnění
D - Stať ve sborníku
Modelling of Outlet Elements in Ventilation and Air-Conditioning
This paper deals with possibilities of simplification of modelling HVAC outlet elements in CFD. It describes setting up of boundary conditions. Apropriate methology is ascribed to individual outlet elements. It also includes analysis of current state...
JE - Nejaderná energetika, spotřeba a užití energie
- 2008 •
- D
Rok uplatnění
D - Stať ve sborníku
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