A combined experimental and computational study of a vertical gust generator in a wind tunnel

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dc.contributor.authorPoudel, Naresh
dc.contributor.authorYu, Meilin
dc.contributor.authorSmith, Zachary F.
dc.contributor.authorHrynuk, John T.
dc.date.accessioned2019-02-11T17:10:55Z
dc.date.available2019-02-11T17:10:55Z
dc.date.issued2019
dc.descriptionAIAA Scitech 2019 Forumen_US
dc.description.abstractExperimental and numerical studies have been performed to investigate the performance of a vertical gust generator in a wind tunnel. Results from both experimental Particle Image Velocimetry (PIV) and those from numerical simulations of low-Mach-numberpreconditioned compressible Naiver-Stokes equations on unstructured grids using high-order spectral difference (SD) agreed reasonably well with each other. The gust was generated by ducting flow through the floor of the wind tunnel and at the wall of the numerical domain. The gust velocity profile bends downstream when interacting with freestream causing the incoming freestream flow to bend upward. The vertical gust changed the effective angle of attack over the airfoil when interacting with the freestream velocity. Due to the interaction of gust over the airfoil, the stationary airfoil at a nominal zero degree angle of attack undergo flow separation under stalled conditions.en_US
dc.description.sponsorshipResearch was partially sponsored by the Army Research Laboratory and was accomplished under Cooperative Agreement Number W9911NF-16-2-0176.en_US
dc.description.urihttps://arc.aiaa.org/doi/abs/10.2514/6.2019-2166en_US
dc.format.extent14 pagesen_US
dc.genreconference papers and proceedings preprintsen_US
dc.identifierdoi:10.13016/m2joep-ksti
dc.identifier.citationNaresh Poudel, Meilin Yu, Zachary F. Smith, and John T. Hrynuk. "A combined experimental and computational study of a vertical gust generator in a wind tunnel", AIAA Scitech 2019 Forum, AIAA SciTech Forum, (AIAA 2019-2166) , https://doi.org/10.2514/6.2019-2166en_US
dc.identifier.urihttps://doi.org/10.2514/6.2019-2166
dc.identifier.urihttp://hdl.handle.net/11603/12765
dc.language.isoen_USen_US
dc.publisherAIAAen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Mechanical Engineering Department Collection
dc.relation.ispartofUMBC Faculty Collection
dc.relation.ispartofUMBC Student Collection
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.*
dc.rightsPublic Domain Mark 1.0
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.subjectvertical guest wind tunnelen_US
dc.subjectParticle Image Velocimetry (PIV)en_US
dc.subjectnumerical simulations of low-Mach-number-preconditioned compressible Naiver-Stokes equations on unstructured grids using high-order spectral difference (SD)en_US
dc.subjectgust response of Micro Air Vehicles (MAVs)en_US
dc.titleA combined experimental and computational study of a vertical gust generator in a wind tunnelen_US
dc.typeTexten_US

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