Computational and experimental analysis of flow structures induced by a plasma actuator with burst modulations in quiescent air

Characteristics of flow fields produced by a dielectric barrier discharge plasma actuator in quiescent air are numerically investigated. A time-dependent localized body-force distribution is utilized to mimic the effect of the plasma actuator with modulated bursts. The computed time-averaged and ins...

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Autores principales:	Hikaru AONO, Satoshi SEKIMOTO, Makoto SATO, Aiko YAKENO, Taku NONOMURA, Kozo FUJII
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2015
Materias:	computational fluid dynamics (cfd) experimental fluid dynamics (efd) control of flow dielectric barrier discharge plasma actuator induced flow Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/564be1789f924f5e84543dc858566561
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spelling	oai:doaj.org-article:564be1789f924f5e84543dc8585665612021-11-26T06:27:48ZComputational and experimental analysis of flow structures induced by a plasma actuator with burst modulations in quiescent air2187-974510.1299/mej.15-00233https://doaj.org/article/564be1789f924f5e84543dc8585665612015-07-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/2/4/2_15-00233/_pdf/-char/enhttps://doaj.org/toc/2187-9745Characteristics of flow fields produced by a dielectric barrier discharge plasma actuator in quiescent air are numerically investigated. A time-dependent localized body-force distribution is utilized to mimic the effect of the plasma actuator with modulated bursts. The computed time-averaged and instantaneous flow fields are compared with the experimental results by using high-speed schlieren photography and particle image velocimetry. The computed flow fields are in good agreement with the experimental results when the nondimensional parameter (Dc) is within the appropriate range. With an appropriate choice of Dc, the location and size of the induced flow structures, computed with respect to the maximum flow velocity parallel to the wall, are quantitatively in agreement with the experimental results. Also considered are the effects of the burst frequency (non-dimensionalized by the chord length and the free-stream velocity of assumed separated flow control experiment) on the induced flow. The results show that changes in the burst frequency cause insignificant changes in the magnitude of the time-averaged flow parallel to the wall, but they cause significant fluctuations in the amplitude and power spectral densities of that flow.Hikaru AONOSatoshi SEKIMOTOMakoto SATOAiko YAKENOTaku NONOMURAKozo FUJIIThe Japan Society of Mechanical Engineersarticlecomputational fluid dynamics (cfd)experimental fluid dynamics (efd)control of flowdielectric barrier discharge plasma actuatorinduced flowMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 2, Iss 4, Pp 15-00233-15-00233 (2015)
institution	DOAJ
collection	DOAJ
language	EN
topic	computational fluid dynamics (cfd) experimental fluid dynamics (efd) control of flow dielectric barrier discharge plasma actuator induced flow Mechanical engineering and machinery TJ1-1570
spellingShingle	computational fluid dynamics (cfd) experimental fluid dynamics (efd) control of flow dielectric barrier discharge plasma actuator induced flow Mechanical engineering and machinery TJ1-1570 Hikaru AONO Satoshi SEKIMOTO Makoto SATO Aiko YAKENO Taku NONOMURA Kozo FUJII Computational and experimental analysis of flow structures induced by a plasma actuator with burst modulations in quiescent air
description	Characteristics of flow fields produced by a dielectric barrier discharge plasma actuator in quiescent air are numerically investigated. A time-dependent localized body-force distribution is utilized to mimic the effect of the plasma actuator with modulated bursts. The computed time-averaged and instantaneous flow fields are compared with the experimental results by using high-speed schlieren photography and particle image velocimetry. The computed flow fields are in good agreement with the experimental results when the nondimensional parameter (Dc) is within the appropriate range. With an appropriate choice of Dc, the location and size of the induced flow structures, computed with respect to the maximum flow velocity parallel to the wall, are quantitatively in agreement with the experimental results. Also considered are the effects of the burst frequency (non-dimensionalized by the chord length and the free-stream velocity of assumed separated flow control experiment) on the induced flow. The results show that changes in the burst frequency cause insignificant changes in the magnitude of the time-averaged flow parallel to the wall, but they cause significant fluctuations in the amplitude and power spectral densities of that flow.
format	article
author	Hikaru AONO Satoshi SEKIMOTO Makoto SATO Aiko YAKENO Taku NONOMURA Kozo FUJII
author_facet	Hikaru AONO Satoshi SEKIMOTO Makoto SATO Aiko YAKENO Taku NONOMURA Kozo FUJII
author_sort	Hikaru AONO
title	Computational and experimental analysis of flow structures induced by a plasma actuator with burst modulations in quiescent air
title_short	Computational and experimental analysis of flow structures induced by a plasma actuator with burst modulations in quiescent air
title_full	Computational and experimental analysis of flow structures induced by a plasma actuator with burst modulations in quiescent air
title_fullStr	Computational and experimental analysis of flow structures induced by a plasma actuator with burst modulations in quiescent air
title_full_unstemmed	Computational and experimental analysis of flow structures induced by a plasma actuator with burst modulations in quiescent air
title_sort	computational and experimental analysis of flow structures induced by a plasma actuator with burst modulations in quiescent air
publisher	The Japan Society of Mechanical Engineers
publishDate	2015
url	https://doaj.org/article/564be1789f924f5e84543dc858566561
work_keys_str_mv	AT hikaruaono computationalandexperimentalanalysisofflowstructuresinducedbyaplasmaactuatorwithburstmodulationsinquiescentair AT satoshisekimoto computationalandexperimentalanalysisofflowstructuresinducedbyaplasmaactuatorwithburstmodulationsinquiescentair AT makotosato computationalandexperimentalanalysisofflowstructuresinducedbyaplasmaactuatorwithburstmodulationsinquiescentair AT aikoyakeno computationalandexperimentalanalysisofflowstructuresinducedbyaplasmaactuatorwithburstmodulationsinquiescentair AT takunonomura computationalandexperimentalanalysisofflowstructuresinducedbyaplasmaactuatorwithburstmodulationsinquiescentair AT kozofujii computationalandexperimentalanalysisofflowstructuresinducedbyaplasmaactuatorwithburstmodulationsinquiescentair
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Computational and experimental analysis of flow structures induced by a plasma actuator with burst modulations in quiescent air

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