Finite Span Wings In Compressible Flow
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Finite Span Wings In Compressible Flow
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Author : E. A. Krasilʹshchikova
language : en
Publisher:
Release Date : 1956
Finite Span Wings In Compressible Flow written by E. A. Krasilʹshchikova and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1956 with Aerodynamics categories.
Abstract: Equations are developed using the source distribution method for the velocity potential function and pressure on thin wings in steady and unsteady motion. Closed form solutions are given for harmonically oscillating wings of general plan form including the effect of the wing wake. Some useful examples are presented in an appendix for arrow, semielliptical, and hexagonal plan form wings. The paper is essentially a summary of previous work by the author.
Extension Of The Theory Of Oscillating Airfoils Of Finite Span In Subsonic Compressible Flow
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Author : Eric Reissner
language : en
Publisher:
Release Date : 1951
Extension Of The Theory Of Oscillating Airfoils Of Finite Span In Subsonic Compressible Flow written by Eric Reissner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1951 with Aerofoils categories.
As part of an investigation of flows around and forces on an oscillating finite wing in subsonic compressible flow, the exact double integrals occurring in the theoretical formulation of the three-dimensional nonstationary aerodynamic forces have previously been reduced to single integrals over the range of either one of the two independent variables. The present report describes a method for solving the resultant three-dimensional problem based on a generalization of approximate methods for solving two-dimensional problems. It is shown that the calculation of three-dimensional corrections to the two-dimensional integral equation for spanwise variation of circulation, provided tabulated values for the kernal of the integral equation are available.
A Cruciform Wing Of Finite Span In A Compressible Flow
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Author : B. I. Fridlender
language : en
Publisher:
Release Date : 1964
A Cruciform Wing Of Finite Span In A Compressible Flow written by B. I. Fridlender and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.
The aerodynamic characteristics of a thin, cruciform wing consisting of four consoles of arbitrary geometric form are mathematical analyzed.
On The Theory Of Oscillating Airfoils Of Finite Span In Subsonic Compressible Flow
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Author : Eric Reissner
language : en
Publisher:
Release Date : 1949
On The Theory Of Oscillating Airfoils Of Finite Span In Subsonic Compressible Flow written by Eric Reissner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1949 with Aerofoils categories.
The present report is concerned with the problem of the oscillating airfoil of finite span, within the frame of the linearized lifting surface theory. The aim of this study is the development of a theory which incorporates simultaneously the effects of three-dimensionality of the flow and of compressibility of the fluid. As an exact solution of this problem, even within the limitations of the linearized theory, presents very great difficulties, it is worth while to work toward an approximate theory which is valid provided the aspect ratio of the lifting surface is not too small.
A Thin Wing In A Compressible Flow
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Author : E. A. Krasilʹshchikova
language : en
Publisher: Springer
Release Date : 1982
A Thin Wing In A Compressible Flow written by E. A. Krasilʹshchikova and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Science categories.
Use Of Experimental Steady Flow Aerodynamic Parameters In The Calculation Of Flutter Characteristics For Finite Span Swept Or Unswept Wings At Subsonic Transonic And Supersonic Speed
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Author : Edward Carson Yates
language : en
Publisher:
Release Date : 1960
Use Of Experimental Steady Flow Aerodynamic Parameters In The Calculation Of Flutter Characteristics For Finite Span Swept Or Unswept Wings At Subsonic Transonic And Supersonic Speed written by Edward Carson Yates and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1960 with Flutter (Aerodynamics) categories.
Breakdown Of Trailing Vortices In Compressible Flows Past Wings And Conical Bodies
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Author :
language : en
Publisher:
Release Date : 1997
Breakdown Of Trailing Vortices In Compressible Flows Past Wings And Conical Bodies written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Development of a finite volume code for spatially evolving simulations of flow past wings: We have developed a three-dimensional finite volume code for performing simulations of spatially evolving flows. The finite volume technique is preferred due to its flexibility for implementing a variety of realistic and physically relevant boundary conditions e.g. unlike spectral codes this method is not constrained to periodic boundary conditions only and therefore allows simulations of flows past wings with finite spans. The algorithm is formulated with equations written in generalized coordinates which makes this code useful for simulating a wide variety of flows including spatially evolving jets, flows past bluff bodies of different geometries. etc. Also, versatile grid-generation is useful in compressible flows for local grid refinement to resolve shocks.
Subsonic Aerodynamics
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Author : Ion Paraschivoiu
language : en
Publisher: Presses inter Polytechnique
Release Date : 2003
Subsonic Aerodynamics written by Ion Paraschivoiu and has been published by Presses inter Polytechnique this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Science categories.
Determination Of The Elastic Constants Of Airplane Tires
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Author :
language : en
Publisher:
Release Date : 1954
Determination Of The Elastic Constants Of Airplane Tires written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1954 with Airplanes categories.
For determination of the elastic constants of airplane tires which are required for the numerical calculations of the shimmy properties of nose and tail wheels, deformation measurements were carried out on four different tires. For this purpose, the tires were loaded in each case with a normal load and then with a lateral force, a tangential force, and a moment. Moreover, the weight and the mass moment of inertia about a vertical axis were determined for the various tires.
Aerodynamics Of A Lifting System In Extreme Ground Effect
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Author : Kirill V. Rozhdestvensky
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Aerodynamics Of A Lifting System In Extreme Ground Effect written by Kirill V. Rozhdestvensky and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Technology & Engineering categories.
This book is dedicated to the memory of a distinguished Russian engineer, Rostislav E. Alexeyev, who was the first in the world to develop the largest ground effect machine - Ekranoplan. One of Alexeyev's design concepts with the aerodynamic configuration of a jlying wing can be seen on the front page. The book presents a description of a mathematical model of flow past a lifting system, performing steady and unsteady motions in close proximity to the underlying solid surface (ground). This case is interesting for practical purposes because both the aerodynamic and the economic efficiency of the system near the ground are most pronounced. Use of the method of matched asymptotic expansions enables closed form solutions for the aerodynamic characteristics of the wings-in-ground effect. These can be used for design, identification, and processing of experimental data in the course of developing ground effect vehicles. The term extreme ground effect, widely used through out the book, is associated with very small relative ground clearances of the order of 10% or less. The theory of a lifting surface, moving in immediate proximity to the ground, represents one of the few limiting cases that can be treated analytically. The author would like to acknowledge that this work has been influenced by the ideas of Professor Sheila E. Widnall, who was the first to apply the matched asymptotics techniques to treat lifting flows with the ground effect. Saint Petersburg, Russia February 2000 Kirill V. Rozhdestvensky Contents 1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .