Approximate Corrections for the Effects of Compressibility on the Subsonic Stability Derivatives of Swept Wings PDF Download
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Author: Lewis R. Fisher
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 44
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Book Description
A method which has previously been presented for the estimation of the low-speed stability derivatives of swept wings is modified to yield approximate corrections for the first-order three-dimensional effects of compressible flow in the subsonic region. Corrections are presented in chart for for several aspect ratios and angles of sweep. Lift-curve slopes and values of damping roll are compared with those obtained by use of a generally accepted method and are discussed in relation to unpublished data.
Author: Lewis R. Fisher
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 44
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Book Description
A method which has previously been presented for the estimation of the low-speed stability derivatives of swept wings is modified to yield approximate corrections for the first-order three-dimensional effects of compressible flow in the subsonic region. Corrections are presented in chart for for several aspect ratios and angles of sweep. Lift-curve slopes and values of damping roll are compared with those obtained by use of a generally accepted method and are discussed in relation to unpublished data.
Author: Lewis R. Fisher
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 35
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Book Description
A method which has previously been presented for the estimation of the low-speed stability derivatives of swept wings is modified to yield approximate corrections for the first-order three-dimensional effects of compressible flow in the subsonic region. Corrections are presented in chart for for several aspect ratios and angles of sweep. Lift-curve slopes and values of damping roll are compared with those obtained by use of a generally accepted method and are discussed in relation to unpublished data.
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 702
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Book Description
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1200
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Book Description
Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37.
Author: George C. Deutsch
Publisher:
ISBN:
Category : Carbides
Languages : en
Pages : 694
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Book Description
On a strength-to-weight ratio basis, ceramals appeared promising as gas-turbine-blade materials in the temperature range of 1600 to 2400 degrees F.
Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 940
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 396
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Book Description
Author: Allen F. Donovan
Publisher: Princeton University Press
ISBN: 140087503X
Category : Science
Languages : en
Pages : 1021
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Book Description
Volume VIII of the High Speed Aerodynamics and Jet Propulsion series. This volume includes: performance calculation at high speed; stability and control of high speed aircraft; aeroelasticity and flutter; model testing; transonic wind tunnels; supersonic tunnels; hypersonic experimental facilities; low density wind tunnels; shock tube; wind tunnel measurements; instrumented models in free flight; piloted aircraft testing; free flight range methods. Originally published in 1961. The Princeton Legacy Library uses the latest print-on-demand technology to again make available previously out-of-print books from the distinguished backlist of Princeton University Press. These editions preserve the original texts of these important books while presenting them in durable paperback and hardcover editions. The goal of the Princeton Legacy Library is to vastly increase access to the rich scholarly heritage found in the thousands of books published by Princeton University Press since its founding in 1905.
Author: Howard F. Savage
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 662
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Book Description
An investigation has been conducted to determine the effects of vertical-tail location and size on the subsonic aerodynamic characteristics of a model having a triangular wing. The wing had an aspect ratio of 3, an NACA 0003.5-63 section in the streamwise direction, and plain, trailing-edge ailerons. The wing was attached to the fuselage in either a mid or high position and an unswept horizontal tail was located on the fuselage center line. Two vertical tails were tested which had areas of 26.7 or 20.3 percent of the wing area. Each vertical tail was equipped with a rudder and had a geometric aspect ratio of 1.5, a taper ratio of 0.16, and 54 degrees of sweepback of the leading edge. Each vertical tail was tested at two different tail lengths. The wind-tunnel tests were conducted at a Reynolds number of 2.5 milMon at Mach numbers from 0.25 to 0.95.
Author: A. G. Eubanks
Publisher:
ISBN:
Category : Cobalt oxides
Languages : en
Pages : 672
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Book Description
A series of vitreous coatings of the same basic composition, but with cobalt-oxide contents varying from O to 6.4 percent by weight, fired on ingot iron in atmospheres consisting of various oxygen-nitrogen mixtures. The effect of the oxygen content of the atmosphere on adherence was determined by subjecting each specimen to the American Society for Testing Materials adherence test, and the effect of interface roughness was estimated from examination of metallographic sections.
