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Velocity Field Measurements Of An Axisymmetric Separated Flow Subjected To Amplitude Modulated Excitation
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Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781794172203 Total Pages :112 pages Book Rating :4.1/5 (722 download)
Book Synopsis Velocity-Field Measurements of an Axisymmetric Separated Flow Subjected to Amplitude-Modulated Excitation by : National Aeronautics and Space Adm Nasa
Download or read book Velocity-Field Measurements of an Axisymmetric Separated Flow Subjected to Amplitude-Modulated Excitation written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2019-01-15 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Active flow control was applied at the point of separation of an axisymmetric, backward-facing-step flow. The control was implemented by employing a Helmholtz resonator that was externally driven by an amplitude-modulated, acoustic disturbance from a speaker located upstream of the wind tunnel. The velocity field of the separating/reattaching flow region downstream of the step was characterized using hotwire velocity measurements with and without flow control. Conventional statistics of the data reveal that the separating/reattaching flow is affected by the imposed forcing. Triple decomposition along with conditional averaging was used to distinguish periodic disturbances from random turbulence in the fluctuating velocity component. A significant outcome of the present study is that it demonstrates that amplitude-modulated forcing of the separated flow alters the flow in the same manner as the more conventional method of periodic excitation. Trosin, Barry James Langley Research Center NASA/CR-2007-214889
Book Synopsis Velocity-field Measurements of an Axisymmetric Separated Flow Subjected to Amplitude-modulated Excitation by : Barry James Trosin
Download or read book Velocity-field Measurements of an Axisymmetric Separated Flow Subjected to Amplitude-modulated Excitation written by Barry James Trosin and published by . This book was released on 2006 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Amplitude-modulated Excitation of a Separated Flow Using an Externally Driven Helmholtz Resonator by : Antonius Krisna Aditjandra
Download or read book Amplitude-modulated Excitation of a Separated Flow Using an Externally Driven Helmholtz Resonator written by Antonius Krisna Aditjandra and published by . This book was released on 2006 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Finite Cavity Width on the Self-sustained Oscillation in a Low-mach-number Cavity Flow by : Ke Zhang
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Book Synopsis Engineering Turbulence Modelling and Experiments - 4 by : D. Laurence
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Book Synopsis New Approaches and Concepts in Turbulence by : T. Dracos
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Download or read book Physics Briefs written by and published by . This book was released on 1993 with total page 1206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
