Fully Nonlinear Goertler Vortices in Constricted Channel Flows and Their Effect on the Onset of Separation

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722250133
Total Pages : 38 pages
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Book Synopsis Fully Nonlinear Goertler Vortices in Constricted Channel Flows and Their Effect on the Onset of Separation by : National Aeronautics and Space Administration (NASA)

Download or read book Fully Nonlinear Goertler Vortices in Constricted Channel Flows and Their Effect on the Onset of Separation written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-03 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of fully nonlinear Goertler vortices in high Reynolds number flow in a symmetrically constricted channel is investigated. Attention is restricted to the case of 'strongly' constricted channels considered by Smith and Daniels (1981) for which the scaled constriction height is asymptotically large. Such flows are known to develop a Goldstein singularity and subsequently become separated at some downstream station past the point of maximum channel constriction. It is shown that these flows can support fully nonlinear Goertler vortices, of the form elucidated by Hall and Lakin (1988), for constrictions which have an appreciable region of local concave curvature upstream of the position at which separation occurs. The effect on the onset of separation due to the nonlinear Goertler modes is discussed. A brief discussion of other possible nonlinear states which may also have a dramatic effect in delaying (or promoting) separation is given. Denier, James P. and Hall, Philip Unspecified Center NAS1-18605; RTOP 505-90-52-01...

Fully Nonlinear Goertler Vortices in Constricted Channel Flows and Their Effect on the Onset of Separation

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Total Pages : 40 pages
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Book Synopsis Fully Nonlinear Goertler Vortices in Constricted Channel Flows and Their Effect on the Onset of Separation by : Institute for Computer Applications in Science and Engineering

Download or read book Fully Nonlinear Goertler Vortices in Constricted Channel Flows and Their Effect on the Onset of Separation written by Institute for Computer Applications in Science and Engineering and published by . This book was released on 1992 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fully Nonlinear Görtler Vortices in Constricted Channel Flows and Their Effect on the Onset of Separation

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Total Pages : 31 pages
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Book Synopsis Fully Nonlinear Görtler Vortices in Constricted Channel Flows and Their Effect on the Onset of Separation by : J. P. Denier

Download or read book Fully Nonlinear Görtler Vortices in Constricted Channel Flows and Their Effect on the Onset of Separation written by J. P. Denier and published by . This book was released on 1992 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 656 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

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On the Generation of Mean Flows by the Interaction of Goertler Vortices and Tollmien-Schlichting Waves in Curved Channel Flows

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Total Pages : 48 pages
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Book Synopsis On the Generation of Mean Flows by the Interaction of Goertler Vortices and Tollmien-Schlichting Waves in Curved Channel Flows by :

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The Nonlinear Interaction of Tollmien-Schlichting Waves and Taylor-Goertler Vortices in Curved Channel Flows

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Total Pages : 44 pages
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Book Synopsis The Nonlinear Interaction of Tollmien-Schlichting Waves and Taylor-Goertler Vortices in Curved Channel Flows by :

Download or read book The Nonlinear Interaction of Tollmien-Schlichting Waves and Taylor-Goertler Vortices in Curved Channel Flows written by and published by . This book was released on 1987 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:

On the Nonlinear Development of the Most Unstable Goertler Vortex Mode

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Total Pages : 40 pages
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Book Synopsis On the Nonlinear Development of the Most Unstable Goertler Vortex Mode by : Institute for Computer Applications in Science and Engineering

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Government Reports Annual Index

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ISBN 13 :
Total Pages : 1836 pages
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Book Synopsis Government Reports Annual Index by :

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On the Secondary Instability of Taylor-Goertler Vortices to Tollmien-Schlichting Waves in Fully-developed Flows

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Total Pages : 52 pages
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Book Synopsis On the Secondary Instability of Taylor-Goertler Vortices to Tollmien-Schlichting Waves in Fully-developed Flows by : James Bennett

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The Strong Nonlinear Interaction of Tollmien-Schlichting Waves and Taylor-Goertler Vortices in Curved Channel Flow

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Total Pages : 40 pages
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Book Synopsis The Strong Nonlinear Interaction of Tollmien-Schlichting Waves and Taylor-Goertler Vortices in Curved Channel Flow by : Institute for Computer Applications in Science and Engineering

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Monthly Catalog of United States Government Publications

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Total Pages : 1076 pages
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Fully Nonlinear Development of the Most Unstable Goertler Vortex in a Three Dimensional Boundary Layer

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ISBN 13 :
Total Pages : 32 pages
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Book Synopsis Fully Nonlinear Development of the Most Unstable Goertler Vortex in a Three Dimensional Boundary Layer by : Institute for Computer Applications in Science and Engineering

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Goertler Vortices in Growing Boundary Layers

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722420703
Total Pages : 66 pages
Book Rating : 4.4/5 (27 download)

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Book Synopsis Goertler Vortices in Growing Boundary Layers by : National Aeronautics and Space Administration (NASA)

Download or read book Goertler Vortices in Growing Boundary Layers written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-08 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Goertler vortices are thought to be the cause of transition in many fluid flows of practical importance. A review of the different stages of vortex growth is given. In the linear regime, nonparallel effects completely govern this growth, and parallel flow theories do not capture the essential features of the development of the vortices. A detailed comparison between the parallel and nonparallel theories is given and it is shown that at small vortex wavelengths, the parallel flow theories have some validity; otherwise nonparallel effects are dominant. New results for the receptivity problem for Goertler vortices are given; in particular vortices induced by free stream perturbations impinging on the leading edge of the walls are considered. It is found that the most dangerous mode of this type can be isolated and it's neutral curve is determined. This curve agrees very closely with the available experimental data. A discussion of the different regimes of growth of nonlinear vortices is also given. Again it is shown that, unless the vortex wavelength is small, nonparallel effects are dominant. Some new results for nonlinear vortices of 0(1) wavelengths are given and compared to experimental observations. Hall, Philip Unspecified Center...

On the Instability of Goertler Vortices to Nonlinear Travelling Waves

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ISBN 13 :
Total Pages : 52 pages
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Book Synopsis On the Instability of Goertler Vortices to Nonlinear Travelling Waves by : Institute for Computer Applications in Science and Engineering

Download or read book On the Instability of Goertler Vortices to Nonlinear Travelling Waves written by Institute for Computer Applications in Science and Engineering and published by . This book was released on 1990 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

On the Secondary Instability of Taylor-Goertler Vortices to Tollmien-Schlichting Waves in Fully-developed Flows

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Total Pages : 52 pages
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Book Synopsis On the Secondary Instability of Taylor-Goertler Vortices to Tollmien-Schlichting Waves in Fully-developed Flows by :

Download or read book On the Secondary Instability of Taylor-Goertler Vortices to Tollmien-Schlichting Waves in Fully-developed Flows written by and published by . This book was released on 1986 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

On the Nonlinear Interaction of Gortler Vortices and Tollmein-Schlichting Waves in Curved Channel Flows

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Book Synopsis On the Nonlinear Interaction of Gortler Vortices and Tollmein-Schlichting Waves in Curved Channel Flows by : Q. I. Daudpota

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Government Reports Announcements & Index

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ISBN 13 :
Total Pages : 1258 pages
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Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1993 with total page 1258 pages. Available in PDF, EPUB and Kindle. Book excerpt: