Near-surface topology and flow structure on a delta wing with low sweep angle

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dc.contributor.author Elkhoury, Michel
dc.contributor.author Yavuz, Metin
dc.contributor.author Rockwell, Donald
dc.date.accessioned 2017-08-03T08:41:26Z
dc.date.available 2017-08-03T08:41:26Z
dc.date.issued 2017-08-03
dc.identifier.uri http://hdl.handle.net/10725/6006
dc.description.abstract The patterns of streamline topology, surface-normal vorticity and fluctuating velocity are characterized immediately adjacent to the surface of a delta wing having a low sweep angle (Λ=38º) using a cinema technique of high-image-density particle image velocimetry. The critical points of the topological structure, including foci, nodes and bifurcation lines, are determined in relation to patterns of vorticity and velocity and, in turn, compared with dye visualization, as well as time-averaged approximations to the topology obtained using oil film visualization in a previous wind tunnel experiment. It is demonstrated that the classical time-averaged topology is actually attributable to a series of quite different instantaneous topological states. Small-amplitude perturbation of the angle-of-attack of the wing at an appropriate frequency is shown to radically alter the time-averaged topology, as well as the patterns of velocity fluctuation associated with buffet loading of the wing. en_US
dc.language.iso en en_US
dc.publisher APS en_US
dc.title Near-surface topology and flow structure on a delta wing with low sweep angle en_US
dc.type Conference Paper / Proceeding en_US
dc.author.school SOE en_US
dc.author.idnumber 200403272 en_US
dc.author.department Industrial And Mechanical Engineering en_US
dc.description.embargo N/A en_US
dc.identifier.ctation Yavuz, M., Elkhoury, M., & Rockwell, D. (2003, November). Near-Surface Topology and Flow Structure on a Delta Wing with Low Sweep Angle. In APS Division of Fluid Dynamics Meeting Abstracts. en_US
dc.author.email mkhoury@lau.edu.lb en_US
dc.conference.date November 23-25, 2003 en_US
dc.conference.place East Rutherford, New Jersey en_US
dc.conference.title Fluid Dynamics 56th Annual Meeting en_US
dc.identifier.tou http://libraries.lau.edu.lb/research/laur/terms-of-use/articles.php en_US
dc.identifier.url http://adsabs.harvard.edu/abs/2003APS..DFD.JJ008Y en_US
dc.author.affiliation Lebanese American University en_US

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