Flow Visualization By Elastic Light Scattering In The Boundary Layer Of A Supersonic Flow Nasa Tm 2000 210121 Sep 7 2000
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Flow Visualization By Elastic Light Scattering In The Boundary Layer Of A Supersonic Flow Nasa Tm 2000 210121 Sep 7 2000
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Author :
language : en
Publisher:
Release Date : 2002
Flow Visualization By Elastic Light Scattering In The Boundary Layer Of A Supersonic Flow Nasa Tm 2000 210121 Sep 7 2000 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Flow Visualization Of Density In A Cryogenic Wind Tunnel Using Planar Rayleigh And Raman Scattering
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Author : Gregory C. Herring
language : en
Publisher:
Release Date : 2002
Flow Visualization Of Density In A Cryogenic Wind Tunnel Using Planar Rayleigh And Raman Scattering written by Gregory C. Herring and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Raman effect categories.
Using a pulsed Nd:YAG laser (532 mn) and a gated, intensified charge-coupled device, planar Rayleigh and Raman scattering techniques have been used to visualize the unseeded Mach 0.2 flow density in a 0.3-meter transonic cryogenic wind tunnel. Detection limits are determined for density measurements by using both unseeded Rayleigh and Raman (N2 vibrational) methods. Seeding with C02 improved the Rayleigh flow visualization at temperatures below 150 K. The seeded Rayleigh version was used to demonstrate the observation of transient flow features in a separated boundary layer region, which was excited with an oscillatory jet.
Theoretical Analysis Of Stationary Potential Flows And Boundary Layers At High Speed
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Author : Klaus Oswatitsch
language : en
Publisher:
Release Date : 1948
Theoretical Analysis Of Stationary Potential Flows And Boundary Layers At High Speed written by Klaus Oswatitsch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Aerodynamics categories.
Summary: The present report consists of two parts. The first part deals with the two-dimensional stationary flow in the presence of local supersonic zones. A numerical method of integration of the equation of gas dynamics is developed. Proceeding from solutions at great distance from the body the flow pattern is calculated step by step. Accordingly the related body form is obtained at the end of the calculation. The second part treats the relationship between the displacement thickness of laminar and turbulent boundary layers and the pressure distribution at high speeds. The stability of the boundary layer is investigated, resulting in basic differences in the behavior of subsonic and supersonic flows. Lastly, the decisive importance of the boundary layer for the pressure distribution, particularly for thin profiles, is demonstrated.
Boundary Layer Measurements In Accelerated Flows Near Mach 1
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Author : Howard L. Wesoky
language : en
Publisher:
Release Date : 1967
Boundary Layer Measurements In Accelerated Flows Near Mach 1 written by Howard L. Wesoky and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Axial flow categories.
Photographic Evidence Of Streamwise Arrays Of Vortices In Boundary Layer Flow
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Author : Edward J. Hopkins
language : en
Publisher:
Release Date : 1960
Photographic Evidence Of Streamwise Arrays Of Vortices In Boundary Layer Flow written by Edward J. Hopkins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Boundary layer control categories.
The Upper Branch Stability Of Compressible Boundary Layer Flows
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Author : J. S. B. Gajjar
language : en
Publisher:
Release Date : 1989
The Upper Branch Stability Of Compressible Boundary Layer Flows written by J. S. B. Gajjar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.
Computation Of Incompressible Three Dimensional Turbulent Boundary Layers And Comparison With Experiment
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-08-14
Computation Of Incompressible Three Dimensional Turbulent Boundary Layers And Comparison With Experiment written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-14 with categories.
Incompressible three dimensional, turbulent boundary layer (3DTBL) experiments were simulated numerically by integrating the boundary layer equations together with an algebraic eddy viscosity turbulence model. For the flow treated, the downstream portion, where the crossflow was large, was not predicted with the present computational method; the flow was significantly influenced by elliptic flow field effects. Departures from the boundary layer concept are indicated. Calculations agreed reasonably well with the mean flow development up to separation. In one experiment the normal pressure gradients were found to be neligible in regions with large skewing and allowed testing turbulence models using the boundary layer equations. The simulation of this flow compared favorably with the experimental data throughout the flow field and suggested the applicability of algebraic eddy viscosity models for 3DTBLs. Mueller, U. R. Ames Research Center NASA-TM-84230, A-8873, NAS 1.15:84230 ...
A Brief Account Of Some Unrecorded Techniques For Flow Visualization In Flight For Locating A Boundary Layer Transition At Altitude B Shock Wave Position
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Author : Wellington Edrington Gray
language : en
Publisher:
Release Date : 1970
A Brief Account Of Some Unrecorded Techniques For Flow Visualization In Flight For Locating A Boundary Layer Transition At Altitude B Shock Wave Position written by Wellington Edrington Gray and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Boundary layer categories.
Flow Separation In Shock Wave Boundary Layer Interactions At Hypersonic Speeds
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Author : National Aeronautics and Space Adm Nasa
language : en
Publisher:
Release Date : 2018-10-28
Flow Separation In Shock Wave Boundary Layer Interactions At Hypersonic Speeds written by National Aeronautics and Space Adm Nasa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-28 with categories.
An assessment is presented for the experimental data on separated flow in shock wave turbulent boundary layer interactions at hypersonic and supersonic speeds. The data base consists mainly of two dimensional and axisymmetric interactions in compression corners or cylinder-flares, and externally generated oblique shock interactions with boundary layers over flat plates or cylindrical surfaces. The conditions leading to flow separation and the subsequent changes in the flow empirical correlations for incipient separation are reviewed. The effects of the Mach number, Reynolds number, surface cooling and the methods of detecting separation are discussed. The pertinent experimental data for the separated flow characteristics in separated turbulent boundary layer shock interaction are also presented and discussed. Hamed, A. Unspecified Center...
Incipient Separation Of A Turbulent Boundary Layer At High Reynolds Number In Two Dimensional Supersonic Flow Over A Compression Corner
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Author :
language : en
Publisher:
Release Date : 1969
Incipient Separation Of A Turbulent Boundary Layer At High Reynolds Number In Two Dimensional Supersonic Flow Over A Compression Corner 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 categories.