Turbulent Boundary Layers In Subsonic And Supersonic Flow

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Turbulent Boundary Layers In Subsonic And Supersonic Flow

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Author : Jean-Paul Dussauge
language : en
Publisher:
Release Date : 1996

Turbulent Boundary Layers In Subsonic And Supersonic Flow written by Jean-Paul Dussauge and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Aerodynamics categories.

Turbulent Boundary Layers In Subsonic And Supersonic Flow

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Author :
language : en
Publisher:
Release Date : 1996

Turbulent Boundary Layers In Subsonic And Supersonic Flow written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.

Measurements In The Turbulent Boundary Layer At Constant Pressure In Subsonic And Supersonic Flow Part I Mean Flow

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Author : Donald J. Collins
language : en
Publisher:
Release Date : 1978

Measurements In The Turbulent Boundary Layer At Constant Pressure In Subsonic And Supersonic Flow Part I Mean Flow written by Donald J. Collins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with categories.

Experiments have been carried out to test the accuracy of laser-Doppler instrumentation for measurement of Reynolds stresses in turbulent boundary layers in supersonic flow. Two facilities were used to study flow at constant pressure. In one facility, data were obtained on a flat plate at M sub e = 0.1, with Re sub Theta up to 8,000. In the other, data were obtained on an adiabatic nozzle wall at M sub e = 0.6, 0.8, 1.0, 1.3, and 2.2, with the Re sub Theta = 23,000 and 40,000. This report is limited to a description of the mean flow as observed using Pitot-tube, Preston-tube, and floating-element instrumentation. Emphasis is on the use of similarity laws with Van Driest scaling and on the inference of the shearing-stress profile and the normal velocity component from the equations of mean motion. The experimental data are tabulated.

Turbulent Shear Layers In Supersonic Flow

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Author : Alexander J. Smits
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-05-11

Turbulent Shear Layers In Supersonic Flow written by Alexander J. Smits and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-05-11 with Science categories.

A good understanding of turbulent compressible flows is essential to the design and operation of high-speed vehicles. Such flows occur, for example, in the external flow over the surfaces of supersonic aircraft, and in the internal flow through the engines. Our ability to predict the aerodynamic lift, drag, propulsion and maneuverability of high-speed vehicles is crucially dependent on our knowledge of turbulent shear layers, and our understanding of their behavior in the presence of shock waves and regions of changing pressure. Turbulent Shear Layers in Supersonic Flow provides a comprehensive introduction to the field, and helps provide a basis for future work in this area. Wherever possible we use the available experimental work, and the results from numerical simulations to illustrate and develop a physical understanding of turbulent compressible flows.

U Physical Models For Supersonic Turbulent Boundary Layer Structure

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Author : Alexander J. Smits
language : en
Publisher:
Release Date : 1989

U Physical Models For Supersonic Turbulent Boundary Layer Structure written by Alexander J. Smits and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Boundary layer categories.

Measurements In The Turbulent Boundary Layer At Constant Pressure In Subsonic And Supersonic Flow Part Ii Laser Doppler Velocity Measurements

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Author : Paul E. Dimotakis
language : en
Publisher:
Release Date : 1979

Measurements In The Turbulent Boundary Layer At Constant Pressure In Subsonic And Supersonic Flow Part Ii Laser Doppler Velocity Measurements written by Paul E. Dimotakis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.

Experiments have been carried out using laser-Doppler velocimetry in conjunction with Pitot and surface-friction instrumentation for the measurement of the mean flow, the velocity fluctuations, and the Reynolds stresses in turbulent boundary layers at constant pressure in subsonic and supersonic flows. Part I of this work was a detailed analysis of the mean flow as observed using Pitot-tube, Preston-tube, and floating-element balance instrumentation. The present work (Part II) is a description of both the mean and the fluctuating components of the flow, and of the Reynolds stress as observed using a dual forward-scattering laser-Doppler velocimenter. A detailed description of the instrument, and of the data analysis techniques, have been included in order to fully document the data. A detailed comparison is made between the laser-Doppler results and those presented in Part I, and an assessment is made of the ability of the laser-Doppler velocimeter to measure the details of the flows involved.

Experimental Study On High Subsonic Turbulent Flow Incipient Separation

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Author : Jain-Ming Wu
language : en
Publisher:
Release Date : 1976

Experimental Study On High Subsonic Turbulent Flow Incipient Separation written by Jain-Ming Wu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Aerodynamics categories.

For flow over a two-dimensional ramp compression corner case, an experimental investigation to determine the incipient separation was carried out at Mach numbers between 0.55 and 0.9 and Reynolds numbers (based on undisturbed boundary layer thickness) between 350,000 and 690,000. Detailed surface pressure, pitot traversing and oil flow data were obtained for each ramp angle case. Two-dimensionality of the ramp compression corners was verified by the surface oil flow. A major finding of this study is that the incipient separation ramp angle is relatively independent of Mach number and Reynolds number within the range studied. The incipient separation ramp angle was found to be about 22.5 degrees.

Studies Of The Turbulent Boundary Layer On A Waisted Body Of Revolution In Subsonic And Supersonic Flow

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Author : K. G. Winter
language : en
Publisher:
Release Date : 1968

Studies Of The Turbulent Boundary Layer On A Waisted Body Of Revolution In Subsonic And Supersonic Flow written by K. G. Winter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with categories.

Turbulent Boundary Layer Studies On A Waisted Body Of Revolution In Subsonic And Supersonic Flow

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Author : Kenneth George Winter
language : en
Publisher:
Release Date : 1965

Turbulent Boundary Layer Studies On A Waisted Body Of Revolution In Subsonic And Supersonic Flow written by Kenneth George Winter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Aerodynamics categories.

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.