A Comparison of Three Theoretical Methods of Calculating Span Load Distribution on Swept Wings PDF Download
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Author: Nicholas H. Van Dorn Publisher: ISBN: Category : Airplanes Languages : en Pages : 77
Book Description
It was found that (1) the Weissinger method gave good accuracy and involved by far the least computing effort and (2) the Falkner method gave the best accuracy but at considerable expense in computing effort.
Author: Nicholas H. Van Dorn Publisher: ISBN: Category : Airplanes Languages : en Pages : 77
Book Description
It was found that (1) the Weissinger method gave good accuracy and involved by far the least computing effort and (2) the Falkner method gave the best accuracy but at considerable expense in computing effort.
Author: James C. Sivells Publisher: ISBN: Category : Ailerons Languages : en Pages : 722
Book Description
A method is presented for calculating lift distributions for unswept wings with flaps or ailerons using nonlinear section lift data. This method is based upon lifting-line theory and is an extension to the method described by NACA Report 865. Simplified computing forms containing detailed examples are given for both symmetrical and asymmetrical lift distributions. A few comparisons of experimental and calculated characteristics are also presented.
Author: John DeYoung Publisher: ISBN: Category : Aerodynamic load Languages : en Pages : 106
Book Description
A simplified lifting-surface theory that includes effects of compressibility and spanwise variation of section lift-curve slope is used to provide charts with which antisymmetric loading due to arbitrary antisymmetric angle of attack can be found for wings having symmetric plan forms with a constant spanwise sweep angle of the quarter-chord line. Consideration is given to the flexible wing in roll. Aerodynamic characteristics due to rolling, deflected ailerons, and sideslip of wings with dihedral are considered. Solutions are presented for straight-tapered wings for a range of swept plan forms.
Author: Harry E. Murray Publisher: ISBN: Category : Laplace transformation Languages : en Pages : 744
Book Description
The lateral motions of aircraft are obtained by means of the Laplace transform which gives solutions in terms of elementary functions for the free motions and the motions due to forcing step functions. The lateral stability of a specific airplane and certain of its free and forced motions are calculated.
Author: John D. Bird Publisher: ISBN: Category : Aeronautics Languages : en Pages : 44
Book Description
The 7-point method of Weissinger is used to calculate the span loading in roll, lateral center of pressure, and damping in roll for wings having various aspect ratios, sweep angles, and taper ratios. The applicability of the method to the determination of certain other aerodynamic derivatives is investigated, and corrections for the first-order effects of compressibility are indicated.
Author: S. Katzoff Publisher: ISBN: Category : Aerodynamic load Languages : en Pages : 52
Book Description
Calculated results are given for a sweptback wing with uniform chordwise loading and a highly tapered spanwise loading, a uniformly loaded delta wing, a uniformly loaded sweptback wing, and the same sweptback wing with uniform chordwise loading but elliptical span load distribution.
Author: G. D. McBain Publisher: John Wiley & Sons ISBN: 1118346289 Category : Technology & Engineering Languages : en Pages : 357
Book Description
Starting from a basic knowledge of mathematics and mechanics gained in standard foundation classes, Theory of Lift: Introductory Computational Aerodynamics in MATLAB/Octave takes the reader conceptually through from the fundamental mechanics of lift to the stage of actually being able to make practical calculations and predictions of the coefficient of lift for realistic wing profile and planform geometries. The classical framework and methods of aerodynamics are covered in detail and the reader is shown how they may be used to develop simple yet powerful MATLAB or Octave programs that accurately predict and visualise the dynamics of real wing shapes, using lumped vortex, panel, and vortex lattice methods. This book contains all the mathematical development and formulae required in standard incompressible aerodynamics as well as dozens of small but complete working programs which can be put to use immediately using either the popular MATLAB or free Octave computional modelling packages. Key features: Synthesizes the classical foundations of aerodynamics with hands-on computation, emphasizing interactivity and visualization. Includes complete source code for all programs, all listings having been tested for compatibility with both MATLAB and Octave. Companion website (www.wiley.com/go/mcbain) hosting codes and solutions. Theory of Lift: Introductory Computational Aerodynamics in MATLAB/Octave is an introductory text for graduate and senior undergraduate students on aeronautical and aerospace engineering courses and also forms a valuable reference for engineers and designers.
Author: Nicholas H. Van Dorn
Author: Nicholas H. Van Dorn
Author: James C. Sivells
Author: John DeYoung
Author: Harry E. Murray
Author: John D. Bird
Author: S. Katzoff
Author: 
Author: United States. National Advisory Committee for Aeronautics
Author: United States. National Advisory Committee for Aeronautics
Author: G. D. McBain