CFD_MODELING_OF_A_SYNTHETIC_JET_ACTUATOR.pdf - See...

This preview shows page 1 - 3 out of 17 pages.

See discussions, stats, and author profiles for this publication at:CFD MODELING OF A SYNTHETIC JET ACTUATORArticle· January 2009DOI: 10.1615/ICHMT.2009.CONV.430CITATIONS0READS6203 authors:Some of the authors of this publication are also working on these related projects:Modeling of heat and mass transfer with the Lattice Boltzmann Method (LBM)View projectLATTICE BOLTZMANN SIMULATIONView projectMarouen DghimUniversité de Sherbrooke/Royal Military College of Canada15PUBLICATIONS23CITATIONSSEE PROFILEMaher Ben ChiekhUniversity of Monastir24PUBLICATIONS141CITATIONSSEE PROFILESassi Ben NasrallahNational Engineering School of Monastir514PUBLICATIONS6,984CITATIONSSEE PROFILEAll content following this page was uploaded bySassi Ben Nasrallahon 19 February 2015.The user has requested enhancement of the downloaded file.
Int. Symp. on Convective Heat and Mass Transfer in Sustainable EnergyApril 26 – May 1, 2009, TunisiaCFD MODELING OF A SYNTHETIC JET ACTUATORMarouane Dghim*,Maher Ben Chiekh* andBen Nasrallah SassiLESTE-Laboratoire d’Etudes des Systèmes Thermiques et EnergétiquesNational Engineering School of MonastirIbn El Jazzar Avenue, P.O. Box 5019, Monastir, Tunisia(*Corresponding authors: [email protected] , [email protected])ABSTRACT.Synthetic jet actuators show good promise as an enabling technology forinnovative boundary layer flow control applied to external surfaces, like airplane wings, andto internal flows, like those occurring in a curved engine inlet. The appealing characteristicsof a synthetic jet are zero-net-mass –flux operation and an efficient control effect that takesadvantages of unsteady fluid phenomena. The formation of a synthetic jet in a quiescentexternal air flow is only beginning to be understood and a rational understanding of thesedevices is necessary before they can be applied to the control of flows outside of thelaboratory. The synthetic jet flow generated by a planar orifice is investigated here usingcomputational approach. Computations of the 2D synthetic jet are performed with unsteadyRANS modeled with the Realizableturbulence model available in FLUENTenvironment. In this present work, the ability of the first order turbulence model, employed inour computations, to model the formation of the counter-rotating-vortex pair (CVP) thatappears in the flow-field was investigated. Computational results were in good agreementwith experimental measurements. The effectiveness of such control actuator was tested onseparated boundary layer. Preliminary investigation were presented and discussed.INTRODUCTIONSynthetic jet actuators have been shown to be a useful tool for flow control, with applicationsincluding mixing enhancement, separation control, and thrust vectoring.

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 17 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Spring
Professor
NoProfessor

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture