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Volterra's Solution of the Wave Equation as Applied to Three-dimensional Supersonic Airfoil Problems

Volterra's Solution of the Wave Equation as Applied to Three-dimensional Supersonic Airfoil Problems PDF Author: Max A. Heaslet
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 86

Book Description
A surface integral is developed which yields solutions of the linearized partial differential equation for supersonic flow. These solutions satisfy boundary conditions arising in wing theory. Particular applications of this general method are made, using acceleration potentials, to flat surfaces and to uniformlyy loaded lifting surfaces. Rectangular and trapezoidal plan forms are considered along with triangular forms adaptable to swept-forward and swept-back wings. The case of the trangular plan form in sideslip is also included. Emphasis is placed on the systematic application of the method to the lifting surfaces considered and on the possibility of further application.

Volterra's Solution of the Wave Equation as Applied to Three-dimensional Supersonic Airfoil Problems

Volterra's Solution of the Wave Equation as Applied to Three-dimensional Supersonic Airfoil Problems PDF Author: Max A. Heaslet
Publisher:
ISBN:
Category : Aerodynamics, Supersonic
Languages : en
Pages : 86

Book Description
A surface integral is developed which yields solutions of the linearized partial differential equation for supersonic flow. These solutions satisfy boundary conditions arising in wing theory. Particular applications of this general method are made, using acceleration potentials, to flat surfaces and to uniformlyy loaded lifting surfaces. Rectangular and trapezoidal plan forms are considered along with triangular forms adaptable to swept-forward and swept-back wings. The case of the trangular plan form in sideslip is also included. Emphasis is placed on the systematic application of the method to the lifting surfaces considered and on the possibility of further application.

Technical Note - National Advisory Committee for Aeronautics

Technical Note - National Advisory Committee for Aeronautics PDF Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 402

Book Description


Investigation on the Validity of an Ideal Theory of Elasto-plasticity for Wrought Aluminum Alloys

Investigation on the Validity of an Ideal Theory of Elasto-plasticity for Wrought Aluminum Alloys PDF Author: E. G. Thomsen
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 686

Book Description
The primary purpose was to determine the relation between stresses and plastic strains of wrought aluminum alloys for three types of loading, tension, compression, and torsion. A secondary objective was to identify which assumptions of an ideal theory of elasto-plasticity are invalid for these alloys.

Technical Note

Technical Note PDF Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 440

Book Description


The Spanwise Distribution of Lift for Minimum Induced Drag of Wings Having a Given Lift and a Given Bending Moment

The Spanwise Distribution of Lift for Minimum Induced Drag of Wings Having a Given Lift and a Given Bending Moment PDF Author: Robert T. Jones
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 708

Book Description
The problem of the minimum induced drag of wings having a given lift and a given span is extended to include cases in which the bending moment to be supported by the wing is also given. Expressions for the spanwise load distribution and the minimum drag in terms of the lateral position of the load centroid are given. The results show a 15-percent reduction of the induced drag with a 15-percent increase in span over that for an elliptic loading having the same total lift and bending moment.

Annual Report of the National Advisory Committee for Aeronautics

Annual Report of the National Advisory Committee for Aeronautics PDF Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 988

Book Description
Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37.

Linearized Theory of Steady High-Speed Flow

Linearized Theory of Steady High-Speed Flow PDF Author: G. N. Ward
Publisher: Cambridge University Press
ISBN: 1316601897
Category : Mathematics
Languages : en
Pages : 261

Book Description
Originally published in 1955, this book is devoted exclusively to the problems involved in solving the non-linear equations of motion for compressible fluids.

Report

Report PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 620

Book Description


Aeroelasticity

Aeroelasticity PDF Author: Raymond L. Bisplinghoff
Publisher: Courier Corporation
ISBN: 0486132439
Category : Technology & Engineering
Languages : en
Pages : 882

Book Description
Designed as both a textbook for advanced engineering students and a reference book for practicing engineers, this highly regarded work deals not only with the practical aspects of aeroelasticity, but the aerodynamic and structural tools upon which these rest. Accordingly, the book divides roughly into two halves: the first deals with the tools and the second with applications of the tools to aeroelastic phenomena. Topics include deformation of airplane structures under static and dynamic loads, approximate methods of computing natural mode shapes and frequencies, two-and three-dimensional incompressible flow, compressible flow, wings and bodies in three-dimensional unsteady flow, static aeroelastic phenomena, flutter, dynamic response phenomena, aeroelastic model theory, model design and construction, testing techniques and more. Chapters have been designed to progress from easy to difficult so that instructors using this book as an elementary text in aeroelasticity will find their purposes served by simply using the first parts of selected chapters. Helpful appendixes deal with such mathematical tools as matrices and linear systems (prerequisites include the usual engineering mathematics courses and advanced calculus), while many numerical examples are included throughout the text. Engineering students as well as practicing engineers will find this work an unmatched treatment of the topic and an indispensable reference for their libraries.

Index of NACA Technical Publications

Index of NACA Technical Publications PDF Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 616

Book Description