Application Of Heads Entrainment Method To The Prediction Of Turbulent Boundary Layers And Wakes In Compressible Flow PDF Download

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Prediction of Turbulent Boundary Layers and Wakes in Compressible Flow by a Lag-Entrainment Method

Prediction of Turbulent Boundary Layers and Wakes in Compressible Flow by a Lag-Entrainment Method
Author: J. E. Green
Publisher:
Total Pages: 68
Release: 1973
Genre:
ISBN:

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A rapid method is presented for predicting the development of turbulent boundary layers and wakes taking account of the influence of the upstream flow history on the turbulent stresses. The method employs the momentum integral equation, the entrainment equation and an equation for the streamwise rate of change of entrainment coefficient. This last, developed from the equation for shear stress which Bradshaw, Ferriss and Atwell derived from the turbulent kinetic energy equation, explicitly represents the balance between the advection, production, diffusion and dissipation of turbulent kinetic energy. The application of the method to two-dimensional and axisymmetric flows is described, and it is shown how secondary influences on the turbulence structure such as longitudinal surface curvature, can be logically taken into account. Comparisons with experiment show that, for incompressible flow, the method is fully comparable comparable in accuracy with the best of the methods assessed at the Stanford Conference of 1968. For compressible flow, the accuracy of the method in flow at constant pressure is ensured by its derivation, but the available experimental data do not enable its accuracy in flows with strong pressure gradients to be assessed with any finality. (Author).


Aerothermodynamics of Aircraft Engine Components

Aerothermodynamics of Aircraft Engine Components
Author: Gordon C. Oates
Publisher: AIAA
Total Pages: 568
Release: 1985
Genre: Aerothermodynamics
ISBN: 9781600860058

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Annotation Design and R & D engineers and students will value the comprehensive, meticulous coverage in this volume. Beginning with the basic principles and concepts of aeropropulsion combustion, chapters explore specific processes, limitations, and analytical methods as they bear on component design.


Turbulent Shear-Layer/Shock-Wave Interactions

Turbulent Shear-Layer/Shock-Wave Interactions
Author: J. Delery
Publisher: Springer Science & Business Media
Total Pages: 434
Release: 2013-03-08
Genre: Science
ISBN: 3642827705

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It was on a proposal of the late Professor Maurice Roy, member of the French Academy of Sciences, that in 1982, the General Assembly of the International Union of Theoretical and Applied Mechanics decided to sponsor a symposium on Turbulent Shear-Layer/Shock-Wave Interactions. This sympo sium might be arranged in Paris -or in its immediate vicinity-during the year 1985. Upon request of Professor Robert Legendre, member of the French Academy of Sciences, the organization of the symposium might be provided by the Office National d'Etudes et de Recherches Aerospatiales (ONERA). The request was very favorably received by Monsieur l'Ingenieur General Andre Auriol, then General Director of ONERA. The subject of interactions between shock-waves and turbulent dissipative layers is of considerable importance for many practical devices and has a wide range of engineering applications. Such phenomena occur almost inevitably in any transonic or supersonic flow and the subject has given rise to an important research effort since the advent of high speed fluid mechanics, more than forty years ago. However, with the coming of age of modern computers and the development of new sophisticated measurement techniques, considerable progress has been made in the field over the past fifteen years. The aim of the symposium was to provide an updated status of the research effort devoted to shear layer/shock-wave interactions and to present the most significant results obtained recently.


Applied mechanics reviews

Applied mechanics reviews
Author:
Publisher:
Total Pages: 400
Release: 1948
Genre: Mechanics, Applied
ISBN:

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