About: Power Spectral Density of Velocity Fluctuations Estimated from Phase Doppler Data

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Laser Doppler Anemometry (LDA) and its modifications such as Phase-Doppler Particle Anemometry (P/DPA) is point-wise method for optical non-intrusive measurement of particle velocity with high data rate. Conversion of the LDA velocity data from temporal to frequency domain – calculation of power spectral density (PSD) of velocity fluctuations, is a non trivial task due to non-equidistant data sampling in time. We briefly discuss possibilities for the PSD estimation and specify limitations caused by seeding density and other factors of the flow and LDA setup. Arbitrary results of LDA measurements are compared with corresponding Hot Wire Anemometry (HWA) data in the frequency domain. Slot correlation (SC) method implemented in software program Kern by Nobach (2006) is used for the PSD estimation. Influence of several input parameters on resulting PSDs is described. Optimum setup of the software for our data of particle-laden air flow in realistic human airway model is documented. Typical character of Laser Doppler Anemometry (LDA) and its modifications such as Phase-Doppler Particle Anemometry (P/DPA) is point-wise method for optical non-intrusive measurement of particle velocity with high data rate. Conversion of the LDA velocity data from temporal to frequency domain – calculation of power spectral density (PSD) of velocity fluctuations, is a non trivial task due to non-equidistant data sampling in time. We briefly discuss possibilities for the PSD estimation and specify limitations caused by seeding density and other factors of the flow and LDA setup. Arbitrary results of LDA measurements are compared with corresponding Hot Wire Anemometry (HWA) data in the frequency domain. Slot correlation (SC) method implemented in software program Kern by Nobach (2006) is used for the PSD estimation. Influence of several input parameters on resulting PSDs is described. Optimum setup of the software for our data of particle-laden air flow in realistic human airway model is documented. Typical character of (en)
Title	Power Spectral Density of Velocity Fluctuations Estimated from Phase Doppler Data Power Spectral Density of Velocity Fluctuations Estimated from Phase Doppler Data (en)
skos:prefLabel	Power Spectral Density of Velocity Fluctuations Estimated from Phase Doppler Data Power Spectral Density of Velocity Fluctuations Estimated from Phase Doppler Data (en)
skos:notation	RIV/00216305:26210/11:PU95077!RIV12-MSM-26210___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GAP105/11/1339), P(ME09030), P(OC10052), S
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Lízal, František Jícha, Miroslav Jedelský, Jan
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	222208
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/11:PU95077
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Power Spectral Density, Velocity Fluctuations, Phase Doppler Anemometry (en)
http://linked.open.../riv/klicoveSlovo	Phase Doppler Anemometry Power Spectral Density Velocity Fluctuations
http://linked.open...ontrolniKodProRIV	[5A345161D430]
http://linked.open...v/mistoKonaniAkce	Jičín
http://linked.open...i/riv/mistoVydani	Liberec, Czech Republic
http://linked.open...i/riv/nazevZdroje	Experimental Fluid Mechanics 2011 Conference Proceedings Volume 1
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Porous particle-laden turbulent and laminar oscillating and steady flow in multiple branching Optimazation of therapeutic inhaled aerosols targeted delivery Experimental study of particles transport and deposition in oscillating turbulent flows
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Jedelský, Jan Jícha, Miroslav Lízal, František
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-11-22 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Technická univerzita v Liberci
https://schema.org/isbn	978-80-7372-784-0
http://localhost/t...ganizacniJednotka	26210

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