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Vorticity decomposition: methods and physical aspects
A brief survey dealing with vorticity-decomposition methods is presented. A particular emphasis is put on their physical aspects and practical applicability....
BK - Mechanika tekutin
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
On vorticity decomposition
The paper provides a brief survey dealing with different techniques of vorticity decomposition. Particular emphasis is put on their physical reasoning, similarities, differences, and practical applicability....
BK - Mechanika tekutin
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
2D velocity-field analysis using triple decomposition of motion
A straightforward application of the new triple decomposition of the local-Stokes double decomposition of motion into a pure straining motion and a rigid-body rotation thetriple decomposition of motion aims, moreover, at th...
BK - Mechanika tekutin
- 2004 •
- D
Rok uplatnění
D - Stať ve sborníku
Method of vortex structure identification in axisymmetric flow field
of view of vortex identification. The vortex is identified by using residual vorticity decomposition of motion [1]. The idea of vortex identification based on the residual vorticity which is easily applicable in the case o...
JU - Aeronautika, aerodynamika, letadla
- 2015 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Evaluation of Travelling Vortex Speed by Means of Dynamic Mode Decomposition and Residual Vorticity
The article deals with the analysis of synthetic jet flow field by means of dynamic mode decomposition (DMD) method. The speed of travelling vortex ring which is connected with synthetic jet creation is evaluated using the wavelength identif...
JU - Aeronautika, aerodynamika, letadla
- 2016 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Identification of Vortex Structures in the Case of Axisymmetric and Two Dimensional Flow
The analysis of two dimmensional and axisymmetric flow field has been done based on the tripple decomposition of the velocity gradient tensor. The results. It is shown that vortex can exist only in the case where vorticity dominates...
JU - Aeronautika, aerodynamika, letadla
- 2015 •
- D
Rok uplatnění
D - Stať ve sborníku
Dynamic Mode Decomposition of Axisymmetric Synthetic Jet on the Limit of Its Formation
The article deals with the analysis of synthetic jet flow field by means of dynamic mode decomposition (DMD) method. The speed of travelling vortex ring which is connected with synthetic jet creation is evaluated using the wavelength identif...
JU - Aeronautika, aerodynamika, letadla
- 2016 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Dynamics of secondary vortices in turbulent channel flow
Secondary vortical structures in a straight channel of rectangular cross-section are studied in details experimentally. Special attention is devoted to theirs-component vector elds in plane perpendicular to the mean ow. Dynamics of the v...
BK - Mechanika tekutin
- 2011 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Dominant flow features of twin jets in crossflow
A survey of the recent studies of "twin jets in crossflow" (TJICF) by the present authors is carried out and extended in terms of results of the velocity-field analysis based on decomposition techniques. Similarities and differences between ...
BK - Mechanika tekutin
- 2005 •
- D
Rok uplatnění
D - Stať ve sborníku
Analysis of Synthetic Jet Flow by Means of Proper Orthogonal Decomposition and Dynamic Mode Decomposition Based on CFD Data
of modal decomposition technique. Three typical laminar regimes are compared from the point of view of modal decomposition. The first regime is without synthetic jet decomposition of obtained flow fields is done using prop...
JU - Aeronautika, aerodynamika, letadla
- 2015 •
- O
Rok uplatnění
O - Ostatní výsledky
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