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Author: Vincent Robert Mascitti Publisher: ISBN: Category : Aerodynamics, Supersonic Languages : en Pages : 52
Book Description
Supersonic linearized conical-flow theory is used to determine the flow over slender pointed cones having horizontal and vertical planes of symmetry. The geometry of the cone cross sections and surface velocities are expanded in Fourier series. The symmetry condition permits the uncoupling of lifting and nonlifting solutions. The present method reduces to Ward's theory for flow over a cone of elliptic cross section. Results are also presented for other shapes. Results by this method diverge for cross-sectional shapes where the maximum thickness is large compared with the minimum thickness. However, even for these slender-body shapes, lower order solutions are good approximations to the complete solution.
Author: Vincent Robert Mascitti Publisher: ISBN: Category : Aerodynamics, Supersonic Languages : en Pages : 52
Book Description
Supersonic linearized conical-flow theory is used to determine the flow over slender pointed cones having horizontal and vertical planes of symmetry. The geometry of the cone cross sections and surface velocities are expanded in Fourier series. The symmetry condition permits the uncoupling of lifting and nonlifting solutions. The present method reduces to Ward's theory for flow over a cone of elliptic cross section. Results are also presented for other shapes. Results by this method diverge for cross-sectional shapes where the maximum thickness is large compared with the minimum thickness. However, even for these slender-body shapes, lower order solutions are good approximations to the complete solution.
Author: Publisher: ISBN: Category : Aeronautics Languages : en Pages : 1282
Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: Klaus Oswatitsch Publisher: Springer Science & Business Media ISBN: 3322910822 Category : Science Languages : en Pages : 446
Book Description
Ever since airplane speeds started to approach the speed of sound, the study of compressible flow problems attracted much talent and support in the major indus trialized countries. Today, gas dynamics is a mature branch of science whose many aspects and applications are much too numerous to be mastered by a single person or to be described in a few volumes. This book commemorates the 70th birthday of a great pioneer and teacher of gas dynamics, Dr. Klaus Oswatitsch, Professor of Fluid Mechanics at the Technical University of Vienna and former Director of the Institute for Theoretical Gas Dyna mics, Deutsche Forschungs-und Versuchsanstalt fUr Luft-und Raumfahrt. Several reasons motivated us to prepare an English translation of Oswatitsch's selected sci entific papers. First, we hope that a book containing his major papers will be wel come as a valuable reference text in gas dynamics. Oswatitsch's work is frequently used in the literature in one form or another, but it is usually quite time-consuming for the English speaking reader to consult the original texts. As a result, reference to and understanding of his papers is often incomplete. For example, Oswatitsch's formulation of the equivalence rule hardly ever is quoted in recent textbooks, al though it preceded declassification of Whitcomb's results by several years. Further more, his papers contain much information, which has not yet been fully appreciated in the Anglo-American literature.
Author: Martin C. Jischke Publisher: ISBN: Category : Aerodynamics, Supersonic Languages : en Pages : 414
Book Description
This report describes a combined theoretical and experimental program of research in the aerodynamics of supersonic lifting bodies. Analytical perturbation techniques are used to study the supersonic flow past slightly elliptical cones, cones whose cross-sections deviate slightly but arbitrarily from that of a right circular cone, cones of small longitudinal curvature, and right circular cones undergoing small harmonic pitching and/or plunging motions. These studies all involve perturbations of the well-known solution for supersonic flow past a right circular cone. Closed-form analytical results are achieved through the use of an approximation that accurately predicts results over the entire range of the hypersonic similarity parameter. These results give hypersonic limiting solutions that agree well with other independent analyses and, at the same time, agree exactly with linearized theory in the linear theory limit. Comparisons with experiment, where possible, also show good agreement.
Author: Vincent Robert Mascitti
Author: Vincent Robert Mascitti
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Author: United States. Superintendent of Documents
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Author: United States. National Advisory Committee for Aeronautics
Author: Klaus Oswatitsch
Author: Martin C. Jischke
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