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Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
In recent years attempts to improve the performance of nozzle, rotors, compressors, airfoil sections, wings, and airplanes have revived research efforts in transonic aerodynamics. The present investigation describes various aspects of transonic flow calculations by a relaxation method. Of primary interest are techniques to reduce computational times for three-dimensional flows. Solutions of the small disturbance and full three-dimensional potential flow equations are obtained for two- and three-dimensional geometries. Several different geometries are considered. (Modified author abstract).
Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
In recent years attempts to improve the performance of nozzle, rotors, compressors, airfoil sections, wings, and airplanes have revived research efforts in transonic aerodynamics. The present investigation describes various aspects of transonic flow calculations by a relaxation method. Of primary interest are techniques to reduce computational times for three-dimensional flows. Solutions of the small disturbance and full three-dimensional potential flow equations are obtained for two- and three-dimensional geometries. Several different geometries are considered. (Modified author abstract).
Author: P. K. Khosla Publisher: ISBN: Category : Languages : en Pages : 30
Book Description
In recent years attempts to improve the performance of nozzle, rotors, compressors, airfoil sections, wings, and airplanes have revived research efforts in transonic aerodynamics. The present investigation describes various aspects of transonic flow calculations by a relaxation method. Of primary interest are techniques to reduce computational times for three-dimensional flows. Solutions of the small disturbance and full three-dimensional potential flow equations are obtained for two- and three-dimensional geometries. Several different geometries are considered. (Modified author abstract).
Author: Roelof Vos Publisher: Springer ISBN: 9401797471 Category : Technology & Engineering Languages : en Pages : 561
Book Description
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: J.D. Cole Publisher: Elsevier ISBN: 0444599061 Category : Transportation Languages : en Pages : 482
Book Description
This self-contained book begins with fundamental principles and proceeds to the latest developments in the field. Using a systematic mathematical approach, it covers linearized and transonic theories, simple flows, general theories of lift and drag, subsonic flows, sonic flows, shock waves, airfoils and three-dimensional wings. Also discussed are far fields and the transonic law of stabilization.Significant mathematical areas which enter the discussion are: Partial Differential Equations of Mixed Type, Weak Solutions (Shock Waves), Hodograph Transformations, Similarity Solutions and New Numerical Methods for Equations of Mixed Type.
Author: Marten T. Landahl Publisher: Courier Dover Publications ISBN: 0486839907 Category : Science Languages : en Pages : 147
Book Description
This classic monograph on unsteady transonic flow — the flow of air encountered at speeds at or near the speed of sound — is of continuing interest to students and professionals in aerodynamics, fluid dynamics, and other areas of applied mathematics. After a brief Introduction, Swedish physicist Mårten T. Landahl presents a chapter in which the two-dimensional solution is derived, succeeded by a discussion of its relation to the subsonic and supersonic solutions. Three chapters on low aspect ratio configurations follow, covering triangular wings and similar planforms with curved leading edges, rectangular wings, and cropped delta wings, and low aspect ratio wing-body combinations. The treatment concludes with a consideration of the experimental determination of air forces on oscillating wings at transonic speeds.
Author: Richard E. Meyer Publisher: Academic Press ISBN: 1483264602 Category : Technology & Engineering Languages : en Pages : 356
Book Description
Mathematics Research Center Symposium: Transonic, Shock, and Multidimensional Flows: Advances in Scientific Computing covers the lectures presented at a Symposium on Transonic, Shock, and Multidimensional Flows, held in Madison on May 13-15, 1981, under the auspices of the Mathematics Research Center of the University of Wisconsin. The book focuses on the advancements in the scientific computation of high-speed aerodynamic phenomena and related fluid motions. The selection first elaborates on computational fluid dynamics of airfoils and wings; shock-free configurations in two- and three-dimensional transonic flow; and steady-state solution of the Euler equations for transonic flow. Discussions focus on boundary conditions, convergence acceleration, indirect design of airfoils, and trailing edge and the boundary layer. The text then examines the calculation of transonic potential flow past three-dimensional configurations and remarks on the numerical solution of Tricomi-type equations. The manuscript ponders on the design and numerical analysis of vortex methods, shock calculations and the numerical solution of singular perturbation problems, tracking of interfaces for fluid flow, and transonic flows with viscous effects. Topics include numerical algorithm, difference approximation for scalar equations, boundary conditions, transonic flow in a tube, and governing equations. The selection is a dependable reference for researchers interested in transonic, shock, and multidimensional flows.
Author: 
Author: 
Author: P. K. Khosla
Author: Roelof Vos
Author: J.D. Cole
Author: H. Zimmermann
Author: Marten T. Landahl
Author: Richard E. Meyer
Author: I. C. Chang
Author: David Anthony Oliver
Author: W. H. Weatherill