Effects of Acoustic and Vortical Disturbances on the Turbulent Boundary Layer at Free-stream Mach Number 0.5

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ISBN 13 :
Total Pages : 106 pages
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Book Synopsis Effects of Acoustic and Vortical Disturbances on the Turbulent Boundary Layer at Free-stream Mach Number 0.5 by : John A. Benek

Download or read book Effects of Acoustic and Vortical Disturbances on the Turbulent Boundary Layer at Free-stream Mach Number 0.5 written by John A. Benek and published by . This book was released on 1977 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation of the effects of free-stream disturbances on the development of a turbulent boundary layer is described. The data, obtained at a free-stream Mach number of 0.5, indicated: (1) compared to the baseline acoustic disturbances of 133 db, acoustic disturbances of up to 150 db did not significantly alter the turbulent boundary-layer skin friction, displacement thickness, or momentum thickness and (2) compared to the baseline vortical disturbances of 0.5 percent of the free-stream velocity, vortical disturbances of one percent of the free-stream velocity considerably altered the boundary-layer skin friction, displacement thickness, and momentum thickness, as well as their growth rates. (Author).

Effects of Acoustic and Vortical Disturbances on the Turbulent Boundary Layer at Free-Stream Mach Number 0.5

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Effects of Acoustic and Vortical Disturbances on the Turbulent Boundary Layer at Free-Stream Mach Number 0.5 by :

Download or read book Effects of Acoustic and Vortical Disturbances on the Turbulent Boundary Layer at Free-Stream Mach Number 0.5 written by and published by . This book was released on 1977 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation of the effects of free-stream disturbances on the development of a turbulent boundary layer is described. The data, obtained at a free-stream Mach number of 0.5, indicated: (1) compared to the baseline acoustic disturbances of 133 db, acoustic disturbances of up to 150 db did not significantly alter the turbulent boundary-layer skin friction, displacement thickness, or momentum thickness and (2) compared to the baseline vortical disturbances of 0.5 percent of the free-stream velocity, vortical disturbances of one percent of the free-stream velocity considerably altered the boundary-layer skin friction, displacement thickness, and momentum thickness, as well as their growth rates. (Author).

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.:/5 (31 download)

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Applied Mechanics Reviews

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ISBN 13 :
Total Pages : 1006 pages
Book Rating : 4.:/5 (26 download)

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AIAA 8th Aeroacoustics Conference

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ISBN 13 :
Total Pages : 746 pages
Book Rating : 4.0/5 ( download)

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Aeronautical Engineering

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ISBN 13 :
Total Pages : 722 pages
Book Rating : 4.F/5 ( download)

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Download or read book Aeronautical Engineering written by and published by . This book was released on 1993 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA)

Aeronautical Engineering Review

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ISBN 13 :
Total Pages : 1908 pages
Book Rating : 4.3/5 (91 download)

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Physics Briefs

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ISBN 13 :
Total Pages : 916 pages
Book Rating : 4.3/5 (91 download)

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The Journal of the Acoustical Society of America

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ISBN 13 :
Total Pages : 326 pages
Book Rating : 4.:/5 (318 download)

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Fluctuating Properties of Turbulent Boundary Layers for Mach Numbers Up to 9

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ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Fluctuating Properties of Turbulent Boundary Layers for Mach Numbers Up to 9 by : William D. Harvey

Download or read book Fluctuating Properties of Turbulent Boundary Layers for Mach Numbers Up to 9 written by William D. Harvey and published by . This book was released on 1969 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fluctuating properties of turbulent boundary layers for Mach numbers up to 9.

Government Reports Annual Index

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ISBN 13 :
Total Pages : 1654 pages
Book Rating : 4.:/5 (319 download)

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Special Course on Skin Friction Drag Reduction

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ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.3/5 (243 download)

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Cities and Their Vital Systems

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Publisher : National Academies Press
ISBN 13 : 9780309037860
Total Pages : 1298 pages
Book Rating : 4.0/5 (378 download)

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Book Synopsis Cities and Their Vital Systems by : Advisory Committee on Technology and Society

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A Collection of Technical Papers

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ISBN 13 :
Total Pages : 1060 pages
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Assessment of a Transitional Boundary Layer Theory at Low Hypersonic Mach Numbers

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ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Assessment of a Transitional Boundary Layer Theory at Low Hypersonic Mach Numbers by : S. J. Shamroth

Download or read book Assessment of a Transitional Boundary Layer Theory at Low Hypersonic Mach Numbers written by S. J. Shamroth and published by . This book was released on 1972 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: An investigation was carried out to assess the accuracy of a transitional boundary layer theory in the low hypersonic Mach number regime. The theory is based upon the simultaneous numerical solution of the boundary layer partial differential equations for the mean motion and an integral form of the turbulence kinetic energy equation which controls the magnitude and development of the Reynolds stress. Comparisions with experimental data show the theory is capable of accurately predicting heat transfer and velocity profiles through the transitional regime and correctly predicts the effects of Mach number and wall cooling on transition Reynolds number. The procedure shows promise of predicting the initiation of transition for given free stream disturbance levels. The effects on transition predictions of the pressure dilitation term and of direct absorption of acoustic energy by the boundary layer were evaluated.

NASA SP.

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ISBN 13 :
Total Pages : 654 pages
Book Rating : 4.:/5 (319 download)

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An Experimental Investigation of a Large [Delta]P Settling Chamber for a Supersonic Pilot Quiet Tunnel

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ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis An Experimental Investigation of a Large [Delta]P Settling Chamber for a Supersonic Pilot Quiet Tunnel by : Michael J. Piatt

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