Summary of the 2004 Cfd Validation Workshop on Synthetic Jets and Turbulent Separation Control by C L Rumsey
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Author: C L Rumsey
Number of Pages: 48 pages
Published Date: 06 Aug 2013
Publisher: Bibliogov
Publication Country: United States
Language: English
ISBN: 9781287286851
File Name: Summary.of.the.2004.Cfd.Validation.Workshop.on.Synthetic.Jets.and.Turbulent.Separation.Control.pdf
Download Link: Summary of the 2004 Cfd Validation Workshop on Synthetic Jets and Turbulent Separation Control
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A computational fluid dynamics (CFD) validation workshop for synthetic jets and turbulent separation control (CFDVAL2004) was held in Williamsburg, Virginia in March 2004. Three cases were investigated: synthetic jet into quiescent air, synthetic jet into a turbulent boundary layer crossflow, and flow over a hump model with no-flow-control, steady suction, and oscillatory control. This paper is a summary of the CFD results from the workshop. Although some detailed results are shown, mostly a broad viewpoint is taken, and the CFD state-of-the-art for predicting these types of flows is evaluated from a general point of view. Overall, for synthetic jets, CFD can only qualitatively predict the flow physics, but there is some uncertainty regarding how to best model the unsteady boundary conditions from the experiment consistently. As a result, there is wide variation among CFD results. For the hump flow, CFD as a whole is capable of predicting many of the particulars of this flow provided that tunnel blockage is accounted for, but the length of the separated region compared to experimental results is consistently overpredicted.
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