A Transonic Interactive Boundary Layer Theory For Laminar And Turbulent Flow Over Swept Wings PDF Download
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| Author | : National Aeronautics and Space Administration (NASA) |
| Publisher | : Createspace Independent Publishing Platform |
| Total Pages | : 86 |
| Release | : 2018-07-02 |
| Genre | : |
| ISBN | : 9781722151034 |
Download A Transonic Interactive Boundary-Layer Theory for Laminar and Turbulent Flow Over Swept Wings Book in PDF, ePub and Kindle
A 3-D laminar and turbulent boundary-layer method is developed for compressible flow over swept wings. The governing equations and curvature terms are derived in detail for a nonorthogonal, curvilinear coordinate system. Reynolds shear-stress terms are modeled by the Cebeci-Smith eddy-viscosity formulation. The governing equations are descretized using the second-order accurate, predictor-corrector finite-difference technique of Matsuno, which has the advantage that the crossflow difference formulas are formed independent of the sign of the crossflow velocity component. The method is coupled with a full potential wing/body inviscid code (FLO-30) and the inviscid-viscous interaction is performed by updating the original wing surface with the viscous displacement surface calculated by the boundary-layer code. The number of these global iterations ranged from five to twelve depending on Mach number, sweep angle, and angle of attack. Several test cases are computed by this method and the results are compared with another inviscid-viscous interaction method (TAWFIVE) and with experimental data. Woodson, Shawn H. and Dejarnette, Fred R. Unspecified Center...
| Author | : Shawn H. Woodson |
| Publisher | : |
| Total Pages | : 88 |
| Release | : 1988 |
| Genre | : Boundary layer |
| ISBN | : |
Download A Transonic Interactive Boundary-layer Theory for Laminar and Turbulent Flow Over Swept Wings Book in PDF, ePub and Kindle
| Author | : Shawn H. Woodson |
| Publisher | : |
| Total Pages | : 142 |
| Release | : 1988 |
| Genre | : |
| ISBN | : |
Download A Transonic Interactive Boundary-layer Theory for Laminar and Turbulent Flow Over Swept Wings Book in PDF, ePub and Kindle
| Author | : Roelof Vos |
| Publisher | : Springer |
| Total Pages | : 561 |
| Release | : 2015-03-04 |
| Genre | : Technology & Engineering |
| ISBN | : 9401797471 |
Download Introduction to Transonic Aerodynamics Book in PDF, ePub and Kindle
Written to teach students the nature of transonic flow and its mathematical foundation, this book offers a much-needed introduction to transonic aerodynamics. The authors present a quantitative and qualitative assessment of subsonic, supersonic and transonic flow around bodies in two and three dimensions. The book reviews the governing equations and explores their applications and limitations as employed in modeling and computational fluid dynamics. Some concepts, such as shock and expansion theory, are examined from a numerical perspective. Others, including shock-boundary-layer interaction, are discussed from a qualitative point of view. The book includes 60 examples and more than 200 practice problems. The authors also offer analytical methods such as Method of Characteristics (MOC) that allow readers to practice with the subject matter. The result is a wealth of insight into transonic flow phenomena and their impact on aircraft design, including compressibility effects, shock and expansion waves, shock-boundary-layer interaction and aeroelasticity.
| Author | : Anthony W. Fiore |
| Publisher | : |
| Total Pages | : 962 |
| Release | : 1978 |
| Genre | : Turbulent boundary layer |
| ISBN | : |
Download Boundary Layer Effects Book in PDF, ePub and Kindle
In 1975 the U.S. Air Force and the Federal Republic of Germany signed a Data Exchange Agreement numbered AF-75-G-7440 entitled 'Viscous and Interacting Flow Fields.' The purpose was to exchange data in the area of boundary layer research. It includes both experimental and theoretical boundary layer research at speeds from subsonic to hypersonic Mach numbers in the presence of laminar, transitional, and turbulent boundary layers. The main effort in recent years has been on turbulent boundary layers, both attached and separated in the presence of such parameters as pressure gradients, wall temperature, surface roughness, etc. In the United States the research was conducted in various Department of Defense, NASA, aircraft corporations, and various university laboratories. In the Federal Republic of Germany it was carried out within the various DFVLR, industrial, and university research centers.
| Author | : G. V. Lachmann |
| Publisher | : Elsevier |
| Total Pages | : 768 |
| Release | : 2014-05-12 |
| Genre | : Technology & Engineering |
| ISBN | : 1483226662 |
Download Boundary Layer and Flow Control Book in PDF, ePub and Kindle
Boundary Layer and Flow Control: Its Principles and Application, Volume 2 focuses on the layer of fluid in the immediate area of a bounding surface where the effects of viscosity are substantial. This book is organized into two main topics—boundary layer control for low drag, and shock-induced separation and its prevention by design and boundary layer control. It specifically discusses the nature of transition, effect of two-dimensional and isolated roughness on laminar flow, and progress in the design of low drag aerofoils. The onset of separation effects for aerofoils and wings, shock-induced separation for laminar boundary layers, and shock-induced separation for laminar boundary layers are also deliberated. This volume is recommended to physicists and specialists interested in boundary layer and flow control.
| Author | : Shawn H. Woodson |
| Publisher | : |
| Total Pages | : 204 |
| Release | : 1988 |
| Genre | : |
| ISBN | : |
Download An Interactive Three-dimensional Laminar and Turbulent Boundary-layer Method for Compressible Flow Over Swept Wings Book in PDF, ePub and Kindle
| Author | : S. Woodson |
| Publisher | : |
| Total Pages | : |
| Release | : 1989 |
| Genre | : |
| ISBN | : |
Download An Interactive Three-dimensional Boundary-layer Method for Transonic Flow Over Swept Wings Book in PDF, ePub and Kindle
| Author | : |
| Publisher | : |
| Total Pages | : 702 |
| Release | : 1995 |
| Genre | : Aeronautics |
| ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
| Author | : G.E.A. Meier |
| Publisher | : Springer |
| Total Pages | : 327 |
| Release | : 2014-05-04 |
| Genre | : Technology & Engineering |
| ISBN | : 3709126886 |
Download Control of Flow Instabilities and Unsteady Flows Book in PDF, ePub and Kindle
This volume contributes to one of the most important topics of Fluid Mechanics in future and presents recent research results on control theory and applied control methods. Understanding and handling of control methods of nonlinear systems, typical of Fluid Mechanics, is the key to reduce losses and to improve the efficiency and safety of technical processes.
