NDLI: Numerical Investigation of JaVA-Induced Flow in Quiescent Water

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Cadirci, Sertac Gunes, Hasan Rist, Ulrich
Copyright Year	2013
Abstract	A Jet and Vortex Actuator (JaVA) is an oscillatory, zero-net-mass flux active flow control device which has been investigated numerically in quiescent water. JaVA consists of a vertically moving actuating plate and ejects jets or vortices into the quiescent fluid. Main JaVA-induced flow regimes include jets to different orientations and vortex mode. In this paper, we investigate the effect of the wide gap on the flow characteristics. Three cases consisting of two jets and one vortex mode are presented in detail where the jet-Reynolds number and the scaled amplitude are kept constant. Computational results have been reported to depict instantaneous fields and reveal temporal behavior of JaVA-induced flows in quiescent fluid. In addition, the phase-averaged flow fields have been obtained for suction and blowing phases. The velocity profiles extracted from phase-averaged flow fields across the wide gap supply further insight into the JaVA-induced flow regime and their effectiveness in flow control.
File Format	PDF
ISBN	9780791856321
DOI	10.1115/IMECE2013-62550
Volume Number	Volume 7B: Fluids Engineering Systems and Technologies
Conference Proceedings	ASME 2013 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2013-11-15
Publisher Place	San Diego, California, USA
Access Restriction	Subscribed
Subject Keyword	Jet and vortex actuator (java) Cfd simulation Active flow control Water Suction Actuators Fluids Computational fluid dynamics Simulation Vortices Flow control Jets Flow (dynamics)
Content Type	Text
Resource Type	Article

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