Studies in Three-dimensional Turbulent Boundary Layer Separation from Smooth Surfaces
Author | : Spyridon G. Lekoudis |
Publisher | : |
Total Pages | : |
Release | : 1983 |
Genre | : Navier-Stokes equations |
ISBN | : |
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Author | : Spyridon G. Lekoudis |
Publisher | : |
Total Pages | : |
Release | : 1983 |
Genre | : Navier-Stokes equations |
ISBN | : |
Author | : Spyridon G. Lekoudis |
Publisher | : |
Total Pages | : 452 |
Release | : 1985 |
Genre | : Navier-Stokes equations |
ISBN | : |
Author | : Von Karman Institute for Fluid Dynamics |
Publisher | : |
Total Pages | : 254 |
Release | : 1974 |
Genre | : Aerodynamics |
ISBN | : |
Author | : C. Herbert Law |
Publisher | : |
Total Pages | : 52 |
Release | : 1975 |
Genre | : Aerodynamic heating |
ISBN | : |
Experimental results of an investigation of the three-dimensional interaction between a skewed shock wave and a turbulent boundary layer are presented. Surface pressure and heat transfer distributions and oil flow photographs were obtained at a freestream Mach number of 5.85 and two Reynolds numbers of ten and twenty million per foot. The model configuration consisted of a shock generator mounted perpendicularly to a flat plate. The shock generator leading edge was sharp and nonswept and intersected the flat plate surface about 8.5 inches downstream of the flat plate leading edge. The shock generator surface was 7.55 inches long and 3 inches high and its angle to the freestream flow was adjusted from 4 to 20 degrees. The generated shock waves were of sufficient strength to produce turbulent boundary layer separation on the flat plate surface.
Author | : J. P. Johnston |
Publisher | : |
Total Pages | : 62 |
Release | : 1976 |
Genre | : Boundary layer |
ISBN | : |
The various methods for measurement of the six components of the turbulence stress tensor are reviewed, and some of the data on the turbulent shear stress vector are presented to demonstrate the validity of current ideas for.
Author | : Robert Allan White |
Publisher | : |
Total Pages | : 216 |
Release | : 1963 |
Genre | : Boundary layer |
ISBN | : |
Author | : O. Sendstad |
Publisher | : |
Total Pages | : 130 |
Release | : 1992 |
Genre | : Simulation methods |
ISBN | : |
Author | : H. Fernholz |
Publisher | : Springer |
Total Pages | : 416 |
Release | : 1982-09 |
Genre | : Science |
ISBN | : |
The IUTAM Symposium on Three-dimensional Turbulent Boundary Layers was suggested by the Gesellschaft für Angewandte Mathe matik (GAMM) and sponsored by the International Union of theor etical and Applied Mechanics. The symposium was organized by H.H. Fernholz (Hermann-Föttinger-Institut für Thermo- und Fluiddynamik der Technischen Universität Berlin) and E. Krause (Aerodynamisches Institut der RWTH Aachen). After two success ful Euromech Colloquia on the same topic in Berlin 1972 and Trondheim 1975 the organizers felt that another meeting should be convened, this time with participants from inside and out side Europe. The aim of the symposium has been to bring together scientists who are actively engaged in boundary layer research, both ex perimental and theoretical. The scope of the meeting encompass ed incompressible and compressible three-dimensional turbulent boundary layers. Special emphasis was laid on economical cal culation methods, on measurements of fluctuating quantities and on measuring techniques designed for and applied success fully to three-dimensional boundary layers. From among thirty-four papers submitted for presentation, twenty six contributions of twenty-five minutes each were selected by the European mernbers of the Scientific Committee. Furthermore there were four invited lectures of forty-five minutes. Short discussions were held directly after each presentation with a long discussion period at the end of each day. The final dis cussion on the last day of the symposium was recorded on tape and is presented in a slightly shortened version as the last contribution in this volume.
Author | : Walter H. Edling |
Publisher | : |
Total Pages | : 245 |
Release | : 1974 |
Genre | : Boundary layer |
ISBN | : |
Described are the results of an experimental study of a well developed, turbulent boundary layer on a smooth, flat surface encountering an area of much rougher surface. The roughened area is a strip with its length extending in the direction of the mean flow but of finite width in the surface direction normal to the flow. The resulting three-dimensional flow is found to differ significantly from previously studied cases involving step changes in roughness of infinite extent in the direction normal to the flow. Extensive experiments are reported in a wind tunnel having a length of nearly 100 ft with a boundary layer thickness of the order of 18-20 in. Pitot tube and hot-wire anemometer measurements were made of mean velocity and Reynolds stress quantities throughout the flow field. Secondary flow components were measured by a new x-wire technique. (Modified author abstract).