Flow Visualization Studies Of A Fin Protuberance Partially Immersed In A Turbulent Boundary Layer At Mach 5

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Flow Visualization Studies Of A Fin Protuberance Partially Immersed In A Turbulent Boundary Layer At Mach 5

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Author : Allen Edward Winkelmann
language : en
Publisher:
Release Date : 1970

Flow Visualization Studies Of A Fin Protuberance Partially Immersed In A Turbulent Boundary Layer At Mach 5 written by Allen Edward Winkelmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Flow visualization categories.

Various flow-visualization results are presented for a cylindrically blunted, unswept fin (yawed and unyawed) partially immersed in a turbulent boundary layer (delta approx. = 2.6 inches). The model, consisting of a fin-flat plate combination, was tested at a nominal Mach number of 5 and nominal free-stream Reynolds numbers per foot of 2800 000 and 7400 000. Azobenzene tests show regions of high heat transfer on the flat plate immediately upstream and downstream of the fin. Oil smear tests show in detail the surface shear directions and locations of separated flow which occur on the model. Schlieren and shadowgraph photographs indicate the complex shock wave structure which exists in front of the fin. A possible flow-field model is suggested to account for the observed flow patterns. (Author).

Flow Visualization Studies Of A Fin Protuberance Partially Immersed In A Turbulent Boundary Layer At Mach 5

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Author : Allen E. Winkelmann
language : en
Publisher:
Release Date : 1970

Flow Visualization Studies Of A Fin Protuberance Partially Immersed In A Turbulent Boundary Layer At Mach 5 written by Allen E. Winkelmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.

Various flow-visualization results are presented for a cylindrically blunted, unswept fin (yawed and unyawed) partially immersed in a turbulent boundary layer (delta approx. = 2.6 inches). The model, consisting of a fin-flat plate combination, was tested at a nominal Mach number of 5 and nominal free-stream Reynolds numbers per foot of 2800 000 and 7400 000. Azobenzene tests show regions of high heat transfer on the flat plate immediately upstream and downstream of the fin. Oil smear tests show in detail the surface shear directions and locations of separated flow which occur on the model. Schlieren and shadowgraph photographs indicate the complex shock wave structure which exists in front of the fin. A possible flow-field model is suggested to account for the observed flow patterns. (Author).

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Author :
language : en
Publisher:
Release Date : 1986

written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Grace at meals categories.

Experimental Investigation Of A Fin Cone Interference Flow Field At Mach 5

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Author : Gillerlain, Jr. (Joseph D.)
language : en
Publisher:
Release Date : 1976

Experimental Investigation Of A Fin Cone Interference Flow Field At Mach 5 written by Gillerlain, Jr. (Joseph D.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Aerodynamic heating categories.

The general purpose of this investigation was to study the separated flow field associated with a fin-body juncture. Specific objectives included: (a) determining the severity and extent of aerodynamic heating, (b) providing flow visualization results to illustrate the flow structure, and (c) obtaining a data base of heat-transfer and surface-pressure measurements upon which to develop future analytical relations to predict peak interference heating levels. Tests were conducted at Mach 5 over a unit Reynolds number range of 4.5 to 26 million per foot. A fin-cone model was used. The data consist of surface- pressure distributions, heat-transfer measurements using the phase-change paint technique, and schlieren and oil-flow photographs. Results are presented for several fin-cone geometries to include fin sweep and fin-cone gap. Where possible, comparisons are made with fin-flat-plate data.

Boundary Layer Effects

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Author : Anthony W. Fiore
language : en
Publisher:
Release Date : 1978

Boundary Layer Effects written by Anthony W. Fiore and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Turbulent boundary layer categories.

In 1975 the U.S. Air Force and the Federal Republic of Germany signed a Data Exchange Agreement numbered AF-75-G-7440 entitled 'Viscous and Interacting Flow Fields.' The purpose was to exchange data in the area of boundary layer research. It includes both experimental and theoretical boundary layer research at speeds from subsonic to hypersonic Mach numbers in the presence of laminar, transitional, and turbulent boundary layers. The main effort in recent years has been on turbulent boundary layers, both attached and separated in the presence of such parameters as pressure gradients, wall temperature, surface roughness, etc. In the United States the research was conducted in various Department of Defense, NASA, aircraft corporations, and various university laboratories. In the Federal Republic of Germany it was carried out within the various DFVLR, industrial, and university research centers.

Bibliography Of Scientific And Industrial Reports

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Author :
language : en
Publisher:
Release Date : 1970

Bibliography Of Scientific And Industrial Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Science categories.

The Prediction Of Aerodynamic Heating Of Fins On Re Entry Vehicles

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Author : E. C. Lemmon
language : en
Publisher:
Release Date : 1971

The Prediction Of Aerodynamic Heating Of Fins On Re Entry Vehicles written by E. C. Lemmon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Space vehicles categories.

Turbulence Measurements And Flow Modeling

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Author : Ching Jen Chen
language : en
Publisher: CRC Press
Release Date : 1987

Turbulence Measurements And Flow Modeling written by Ching Jen Chen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Science categories.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1971

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Aeronautics categories.

Applied Mechanics Reviews

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Author :
language : en
Publisher:
Release Date : 1972

Applied Mechanics Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Mechanics, Applied categories.