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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F11%3A00370982%21RIV12-AV0-61388998
rdf:type
n15:Vysledek skos:Concept
dcterms:description
Proper orthogonal decomposition (POD) on very turbulent flow inside the street canyon is performed. The energy contribution of each mode is yielded up. Also, physical meaning of the POD method is clarified. Particular modes of POD are assigned to the particular flow events like sweep event, vortex behind the roof or vor- tex at the bottom of street. Test of POD sensitivity on the length of data recording is done when the acquisition time increases up to its triple value. Test with decreasing sample frequency is executed. Further, interpola- tion of POD expansion coefficient is attempted in order to test possible increase in sample frequency and get new information about flow from the POD analysis. We tested linear and spline sort of interpolation and the linear one brought slightly better results. Proper orthogonal decomposition (POD) on very turbulent flow inside the street canyon is performed. The energy contribution of each mode is yielded up. Also, physical meaning of the POD method is clarified. Particular modes of POD are assigned to the particular flow events like sweep event, vortex behind the roof or vor- tex at the bottom of street. Test of POD sensitivity on the length of data recording is done when the acquisition time increases up to its triple value. Test with decreasing sample frequency is executed. Further, interpola- tion of POD expansion coefficient is attempted in order to test possible increase in sample frequency and get new information about flow from the POD analysis. We tested linear and spline sort of interpolation and the linear one brought slightly better results.
dcterms:title
Detailed analysis of POD method applied on turbulent flow Detailed analysis of POD method applied on turbulent flow
skos:prefLabel
Detailed analysis of POD method applied on turbulent flow Detailed analysis of POD method applied on turbulent flow
skos:notation
RIV/61388998:_____/11:00370982!RIV12-AV0-61388998
n15:predkladatel
n16:ico%3A61388998
n3:aktivita
n8:Z
n3:aktivity
Z(AV0Z20760514)
n3:dodaniDat
n11:2012
n3:domaciTvurceVysledku
n4:4644972 n4:5538408 n4:2634163 n4:6494315 n4:8949573
n3:druhVysledku
n14:D
n3:duvernostUdaju
n5:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
193667
n3:idVysledku
RIV/61388998:_____/11:00370982
n3:jazykVysledku
n13:eng
n3:klicovaSlova
coherent structures; orthogonal decomposition; roughterrain
n3:klicoveSlovo
n9:coherent%20structures n9:orthogonal%20decomposition n9:roughterrain
n3:kontrolniKodProRIV
[E290FD15C465]
n3:mistoKonaniAkce
Jičín
n3:mistoVydani
Liberec
n3:nazevZdroje
Experimental Fluid Mechanics 2011
n3:obor
n19:DG
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n11:2011
n3:tvurceVysledku
Jaňour, Zbyněk Kellnerová, Radka Jurčáková, Klára Kukačka, Libor Uruba, Václav
n3:typAkce
n12:WRD
n3:zahajeniAkce
2011-11-22+01:00
n3:zamer
n17:AV0Z20760514
s:numberOfPages
7
n6:hasPublisher
Technická univerzita v Liberci
n20:isbn
978-80-7372-784-0