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Measurements Of Upstream History Effects In Compressible Turbulent Boundary Layers


Measurements Of Upstream History Effects In Compressible Turbulent Boundary Layers
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Measurements Of Upstream History Effects In Compressible Turbulent Boundary Layers


Measurements Of Upstream History Effects In Compressible Turbulent Boundary Layers
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Author : David F. Gates
language : en
Publisher:
Release Date : 1973

Measurements Of Upstream History Effects In Compressible Turbulent Boundary Layers written by David F. Gates and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Supersonic nozzles categories.


The report describes an experimental study of compressible turbulent boundary layers for which the upstream history was systematically varied. A series of experiments was conducted using both a supersonic half nozzle and a conventional flat plate for which the nozzle throat and flat plate leading edge can be temperature controlled. The supersonic nozzle provided a favorable upstream pressure gradient together with a controlled thermal history at the throat. The flat plate provided upstream temperature control with no pressure history. Velocity and temperature profile and heat-transfer measurements were made in a downstream region of zero-pressure-gradient and constant wall temperature. (Modified author abstract).



Measurements Of Upstream History Effects In Compressible Turbulent Boundary Layers


Measurements Of Upstream History Effects In Compressible Turbulent Boundary Layers
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Author : David F. Gates
language : en
Publisher:
Release Date : 1973

Measurements Of Upstream History Effects In Compressible Turbulent Boundary Layers written by David F. Gates and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with categories.


The report describes an experimental study of compressible turbulent boundary layers for which the upstream history was systematically varied. A series of experiments was conducted using both a supersonic half nozzle and a conventional flat plate for which the nozzle throat and flat plate leading edge can be temperature controlled. The supersonic nozzle provided a favorable upstream pressure gradient together with a controlled thermal history at the throat. The flat plate provided upstream temperature control with no pressure history. Velocity and temperature profile and heat-transfer measurements were made in a downstream region of zero-pressure-gradient and constant wall temperature. (Modified author abstract).



Nasa Technical Paper


Nasa Technical Paper
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1978

Nasa Technical Paper written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Aeronautics categories.




Measurements Of A Supersonic Favorable Pressure Gradient Turbulent Boundary Layer With Heat Transfer


Measurements Of A Supersonic Favorable Pressure Gradient Turbulent Boundary Layer With Heat Transfer
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Author : Robert L. P. Voisinet
language : en
Publisher:
Release Date : 1973

Measurements Of A Supersonic Favorable Pressure Gradient Turbulent Boundary Layer With Heat Transfer written by Robert L. P. Voisinet and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Fluid mechanics categories.


The results of a detailed experimental investigation of the compressible turbulent boundary layer in a favorable-pressure-gradient flow are presented for zero, moderate and severe heat-transfer conditions. The studies were conducted on a flat nozzle wall at momentum thickness Reynolds numbers from 6,700 to 56,000 and at three wall-to-adiabatic-wall temperature ratios. An attempt was made to hold values of Clauser's pressure-gradient parameter constant. Complete profile measurements were taken with Pitot pressure probes and conical-equilibrium and fine-wire temperature probes. (Modified author abstract).



Nasa Technical Paper


Nasa Technical Paper
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Author :
language : en
Publisher:
Release Date : 1978

Nasa Technical Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Astronautics categories.




Compressible Turbulent Boundary Layers


Compressible Turbulent Boundary Layers
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Author :
language : en
Publisher:
Release Date : 1969

Compressible Turbulent Boundary Layers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Compressibility categories.




Analysis Of The Three Dimensional Compressible Turbulent Boundary Layer On A Sharp Cone At Incidence In Supersonic And Hypersonic Flow


Analysis Of The Three Dimensional Compressible Turbulent Boundary Layer On A Sharp Cone At Incidence In Supersonic And Hypersonic Flow
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Author : John C. Adams
language : en
Publisher:
Release Date : 1972

Analysis Of The Three Dimensional Compressible Turbulent Boundary Layer On A Sharp Cone At Incidence In Supersonic And Hypersonic Flow written by John C. Adams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Aerodynamics, Hypersonic categories.


An analytical approach toward numerical calculation of the three-dimensional turbulent boundary layer on a sharp cone at incidence under supersonic and hypersonic flow conditions is presented. The theoretical model is based on implicit finite-difference integration of the governing three-dimensional turbulent boundary-layer equations in conjunction with a three-dimensional scalar eddy-viscosity model of turbulence. Comparison is made of present theory with detailed experimental measurements of the three-dimensional turbulent boundary-layer structure (velocity and temperature profiles), the surface streamline direction (obtained via an oil-flow technique) and surface heat-transfer rate.



Measurements Of A Mach 4 9 Zero Pressure Gradient Turbulent Boundary Layer With Heat Yransfer


Measurements Of A Mach 4 9 Zero Pressure Gradient Turbulent Boundary Layer With Heat Yransfer
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Author : Robert L. P. Voisinet
language : en
Publisher:
Release Date : 1972

Measurements Of A Mach 4 9 Zero Pressure Gradient Turbulent Boundary Layer With Heat Yransfer written by Robert L. P. Voisinet and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Heat categories.


The results of a detailed experimental investigation of the compressible turbulent boundary layer in a zero-pressure-gradient flow are presented for zero, moderate and severe heat-transfer conditions. The studies were conducted on a flat nozzle wall for a nominal Mach number of 4.9, at momentum thickness Reynolds numbers from 7,000. to 58,000. and at wall-to-adiabatic-wall temperature ratios of 1.0, 0.8 and 0.25. Complete profile measurements were taken with Pitot pressure probes and conical-equilibrium and fine-wire temperature probes. Furthermore, the wall shear and surface heat transfer were measured directly with a skin-friction balance and a heat-transfer gage, respectively. (Author Modified Abstract).



Analytical Numerical And Experimental Results On Turbulent Boundary Layers


Analytical Numerical And Experimental Results On Turbulent Boundary Layers
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Author : David L. Whitfield
language : en
Publisher:
Release Date : 1976

Analytical Numerical And Experimental Results On Turbulent Boundary Layers written by David L. Whitfield and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Laminar boundary layer categories.


This report describes the results of analytical, numerical, and experimental investigations of incompressible and compressible boundary layers. The subjects considered are (1) Laminar and/or turbulent numerical boundary-layer calculations in which the Reynolds stress is related to the turbulent kinetic energy; (2) an analytical investigation of turbulence near a wall which is not founded on classical mixing-length theory; (3) analytical solutions for relating velocity and temperature throughout turbulent boundary layers for nonunity Prandtl numbers; (4) a description of the data reduction of pitot pressure measurements utilizing these analytical results, and (5) the application of the numerical and analytical results to the analysis of turbulent boundary-layer measurements made in the Propulsion Wind Tunnel Facility (PWT).



Nasa Technical Note


Nasa Technical Note
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Author :
language : en
Publisher:
Release Date : 1975

Nasa Technical Note written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.