Three Dimensional Unsteady Laminar Shock Wave Boundary Layer Interaction
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Total Pages | : 11 |
Release | : 2004 |
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Download Three-Dimensional Unsteady Laminar Shock-Wave/Boundary Layer Interaction Book in PDF, Epub and Kindle
Author | : Holger Babinsky |
Publisher | : Cambridge University Press |
Total Pages | : 481 |
Release | : 2011-09-12 |
Genre | : Technology & Engineering |
ISBN | : 1139498649 |
Download Shock Wave-Boundary-Layer Interactions Book in PDF, Epub and Kindle
Shock wave-boundary-layer interaction (SBLI) is a fundamental phenomenon in gas dynamics that is observed in many practical situations, ranging from transonic aircraft wings to hypersonic vehicles and engines. SBLIs have the potential to pose serious problems in a flowfield; hence they often prove to be a critical - or even design limiting - issue for many aerospace applications. This is the first book devoted solely to a comprehensive, state-of-the-art explanation of this phenomenon. It includes a description of the basic fluid mechanics of SBLIs plus contributions from leading international experts who share their insight into their physics and the impact they have in practical flow situations. This book is for practitioners and graduate students in aerodynamics who wish to familiarize themselves with all aspects of SBLI flows. It is a valuable resource for specialists because it compiles experimental, computational and theoretical knowledge in one place.
Author | : International Union of Theoretical and Applied Mechanics |
Publisher | : |
Total Pages | : 432 |
Release | : 1958 |
Genre | : Aerodynamics |
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Download Boundary Layer Research Book in PDF, Epub and Kindle
Author | : J. J. Ginoux |
Publisher | : |
Total Pages | : 65 |
Release | : 1982 |
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Download Three Dimensional/Boundary Layer Interaction: Laminar and Turbulent Behaviour Book in PDF, Epub and Kindle
An experimental study of a 3D skewed shock wave laminar boundary layer interaction has been carried out. The test configuration was a flat/finned plat arrangement with sharp leading edge fins having 4, 6 and 8 deg incidence relative to the free stream. The flat plate laminar boundary layer had thickness between 1.1 and 2.2 mm depending on test conditions. The unit Reynolds numbers used were 1.2 million and 2.4 million. Experimental surface data represented as surface flow visualizations and pressure distributions are presented for all test conditions. All tests were carried out at a nominal free stream Mach number of 2.25 and under approximately adiabatic wall conditions. The experimental results indicate that extended separation occurs even for the smallest wedge incidence, i.e., for a pressure ratio of 1.27 and that the extent of upstream influence is much larger in this 3D interaction than in comparable 2D interactions. Preliminary theoretical investigations show that an integral method is not suited for the study of the present interaction. The new implicit corrected viscosity method for solving the compressible Navier-Stokes equations can yield convergence speeds of order unity under suitable chosen conditions. (Author).
Author | : Von Karman Institute for Fluid Dynamics |
Publisher | : |
Total Pages | : 254 |
Release | : 1974 |
Genre | : Aerodynamics |
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Download Laminar and Turbulent Separation Including Three-dimensional Effects Book in PDF, Epub and Kindle
Author | : |
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Total Pages | : 22 |
Release | : 1985 |
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Download Computation of Three-dimensional Shock Wave and Boundary-layer Interactions Book in PDF, Epub and Kindle
Author | : D. Barberis |
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Total Pages | : |
Release | : 1995 |
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Download Shock Wave-turbulent Boundary Layer Interaction in a Three-dimensional Flow Book in PDF, Epub and Kindle
Author | : David S. Dolling |
Publisher | : |
Total Pages | : 75 |
Release | : 1980 |
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Download Experimental Investigation of Three-Dimensional Shock Wave Turbulent Boundary Layer Interaction: An Exploratory Study of Blunt Fin-Induced Flows Book in PDF, Epub and Kindle
An experimental study of three-dimensional (3-D) shock wave turbulent boundary layer interaction has been carried out. Interactions generated by fin models having sharp and hemi-cylindrically blunted leading edges have been studied. The emphasis in this particular study was twofold. First, the influence of incoming turbulent boundary layer thickness delta on the streamwise, spanwise and vertical scaling of the interaction was examined. Turbulent boundary layers varying in thickness from .127 cm (.05 in.) to 2.27 cm (0.89 in.) were used. In addition, a study has been conducted to examine the effects of the ratio D/delta (where D is the blunt fin leading edge diameter) on the interaction properties and scaling. Second, an investigation has been started to examine the unsteady shock wave-boundary layer structure and the resulting high frequency, large amplitude pressure fluctuations which occur ahead of and around the blunt fin leading edge. This is an area which in the past has been largely ignored, yet has important implications, since it is not clear that any mean surface property or flowfield measurements have any real physical significant. To date, measurement techniques and computer software have been developed and exploratory measurements made in the undisturbed turbulent boundary layer and also on the plane of symmetry ahead of the blunt fin.
Author | : John D. Murphy |
Publisher | : |
Total Pages | : 36 |
Release | : 1971 |
Genre | : Boundary layer |
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Download A Critical Evaluation of Analytic Methods for Predicting Laminar Boundary-layer, Shock-wave Interaction Book in PDF, Epub and Kindle
Author | : G. Degrez |
Publisher | : |
Total Pages | : 46 |
Release | : 1987 |
Genre | : |
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Download Velocity Measurements in a 3D (Three Dimensional) Shock Wave Laminar Boundary Layer Interaction Book in PDF, Epub and Kindle
An experimental investigation of the three dimensional laminar boundary layer separation associated with an incident swept shock wave was conducted in the von Karman Institute (VKI) S-1 supersonic wind tunnel operating at Mach 2.15. Mean velocity profiles were measured both in the attached separated and reattachment flow regions using a laser doppler velocimeter. A comparison of the measurements with a full 3D Navier-Stokes solver, developed at the VKI, exhibited good agreement in all three regions, thus validating the code which was based on the Beam-Warming algorithm. The report also reviews the earlier parts of the grant dealing with the necessary developments in LDV to achieve high quality data, and the of the 2D shock boundary layer interaction. Keywords: Two dimensional flow; Three dimensional flow; Laminar boundary layer; Flow separation.