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Author: Jean-Paul Dussauge
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 88
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Book Description
Author: Jean-Paul Dussauge
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 88
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 71
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Book Description
Author: Alexander J. Smits
Publisher: Springer Science & Business Media
ISBN: 0387263055
Category : Science
Languages : en
Pages : 418
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Book Description
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.
Author: Donald J. Collins
Publisher:
ISBN:
Category :
Languages : en
Pages : 230
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Book Description
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.
Author: Alexander J. Smits
Publisher:
ISBN:
Category : Boundary layer
Languages : en
Pages : 62
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Book Description
Author: Harry Edward Bailey
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 54
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Book Description
Author: K. G. Winter
Publisher:
ISBN:
Category :
Languages : en
Pages : 76
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Book Description
Author: Kenneth George Winter
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 13
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Book Description
Author: Paul E. Dimotakis
Publisher:
ISBN:
Category :
Languages : en
Pages : 89
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Book Description
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.
Author: Aeronautical Research Council
Publisher:
ISBN:
Category :
Languages : en
Pages :
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