Validation of large eddy simulation of flow behind a circular cylinder
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F21%3A00551999" target="_blank" >RIV/61388998:_____/21:00551999 - isvavai.cz</a>
Nalezeny alternativní kódy
RIV/60461373:22340/21:43923814
Výsledek na webu
<a href="https://www.matec-conferences.org/articles/matecconf/abs/2021/14/matecconf_pse2021_00013/matecconf_pse2021_00013.html" target="_blank" >https://www.matec-conferences.org/articles/matecconf/abs/2021/14/matecconf_pse2021_00013/matecconf_pse2021_00013.html</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1051/matecconf/202134500013" target="_blank" >10.1051/matecconf/202134500013</a>
Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Validation of large eddy simulation of flow behind a circular cylinder
Popis výsledku v původním jazyce
The flow in the wake behind a circular cylinder in a cross-flow at Reynolds number of 4815 was studied both experimentally and via mathematical modeling. The mathematical model was performed as a Large Eddy Simulation (LES), while the experiments were carried out using the time-resolved variant of the Particle Image Velocimetry (PIV) method. Both the simulation and experiment took into account the dynamical aspects of the studied phenomenon, which enabled a detailed validation of the mathematical model. The overall statistical properties of the simulated flow were validated via comparing the time-averaged measured and computed velocity and vorticity fields. To validate the dynamical behavior, the velocity spectra were examined first. Next, the Proper Orthogonal Decomposition (POD) of the spatio-temporal velocity data was performed on both the experimental and numerical data and a comparison of the obtained energetic modes was carried out. All the performed validations have shown a satisfactory agreement between the simulation and the experiment.
Název v anglickém jazyce
Validation of large eddy simulation of flow behind a circular cylinder
Popis výsledku anglicky
The flow in the wake behind a circular cylinder in a cross-flow at Reynolds number of 4815 was studied both experimentally and via mathematical modeling. The mathematical model was performed as a Large Eddy Simulation (LES), while the experiments were carried out using the time-resolved variant of the Particle Image Velocimetry (PIV) method. Both the simulation and experiment took into account the dynamical aspects of the studied phenomenon, which enabled a detailed validation of the mathematical model. The overall statistical properties of the simulated flow were validated via comparing the time-averaged measured and computed velocity and vorticity fields. To validate the dynamical behavior, the velocity spectra were examined first. Next, the Proper Orthogonal Decomposition (POD) of the spatio-temporal velocity data was performed on both the experimental and numerical data and a comparison of the obtained energetic modes was carried out. All the performed validations have shown a satisfactory agreement between the simulation and the experiment.
Klasifikace
Druh
D - Stať ve sborníku
CEP obor
—
OECD FORD obor
20301 - Mechanical engineering
Návaznosti výsledku
Projekt
Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Ostatní
Rok uplatnění
2021
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název statě ve sborníku
20th Conference on Power System Engineering
ISBN
—
ISSN
2261-236X
e-ISSN
2261-236X
Počet stran výsledku
14
Strana od-do
00013
Název nakladatele
EDP Sciences
Místo vydání
Les Ulis Cedex A
Místo konání akce
Plzeň
Datum konání akce
7. 9. 2021
Typ akce podle státní příslušnosti
WRD - Celosvětová akce
Kód UT WoS článku
—