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Structural Response To Discrete And Continuous Gusts Of An Airplane Having Wing Bending Flexibility And A Correlation Of Calculated And Flight Results
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Book Synopsis Structural Response to Discrete and Continuous Gusts of an Airplane Having Wing-bending Flexibility and a Correlation of Calculated and Flight Results by : Antonio Ferri
Download or read book Structural Response to Discrete and Continuous Gusts of an Airplane Having Wing-bending Flexibility and a Correlation of Calculated and Flight Results written by Antonio Ferri and published by . This book was released on 1954 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Response to Discrete and Continuous Gusts of an Airplane Having Wing-bending Flexibility and a Correlation of Calculated and Flight Results by : John C. Houbolt
Download or read book Structural Response to Discrete and Continuous Gusts of an Airplane Having Wing-bending Flexibility and a Correlation of Calculated and Flight Results written by John C. Houbolt and published by . This book was released on 1954 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Report by : United States. National Advisory Committee for Aeronautics
Download or read book Report written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1954 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Annual Report - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1955 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37.
Download or read book NASA Technical Report written by and published by . This book was released on 1964 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Subsonic Flight Investigation of Methods to Improve the Damping of Lateral Oscillations by Means of a Viscous Damper in the Rudder System in Conjuction with Adjusted Hinge-moment Parameters by : Harold L. Crane
Download or read book Subsonic Flight Investigation of Methods to Improve the Damping of Lateral Oscillations by Means of a Viscous Damper in the Rudder System in Conjuction with Adjusted Hinge-moment Parameters written by Harold L. Crane and published by . This book was released on 1958 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt: A flight investigation at subsonic speeds of a method to improve the damping of lateral oscillations by means of a viscous damping cylinder used in the rudder system in conjunction with adjusted hinge-moment parameters has been conducted. The damping device has been applied to a modern fighter-type jet-powered airplane. The rudder was made to float with the relative wind by the addition of trailing-edge strips. In order to amplify the floating tendency (by reducing the restoring moment), a highly geared balancing tab was incorporated. Lag of the motion of the free rudder with respect to the yawing of the airplane was introduced by means of a small viscous damping cylinder linked to the rudder.
Book Synopsis Relationship of Metal Surfaces to Heat-aging Properties of Adhesive Bonds by : J. M. Black
Download or read book Relationship of Metal Surfaces to Heat-aging Properties of Adhesive Bonds written by J. M. Black and published by . This book was released on 1958 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt: A study was made to determine the probable causes of deterioration of each of several adhesives in bonds to stainless steel at temperatures from 400 to 550 degrees F. Prellminary studies of aluminum surfaces on which ions of metals used in staLnless steel were introduced showed that iron was probably catalyzing a thermal deterioration of the adhesive. The resistance of FPL-878 adhesive to thermal deterioration at 550 degrees F on steel was improved signiffcantly by treating the steel surface to be bonded with either zinc or cerium naphthenate and firing at 1,200 degrees F. The addition of manganese dioxide to the adhesive also increased its resistance to thermal deterioration. A study of the thermal-aging properties of five different chemical types of adhesives on stainless steel and alumina revealed that a phenol-nitrile rubber adhesive was superior to a phenol-epoxy adhesive on steel, but this order was reversed on alumina. These and other observations indicated probable specific relationships among the chemical structure of the adhesive, the metal adherend, and the resultant thermal stability of bonds after aging at high temperatures.
Book Synopsis Technical Note - National Advisory Committee for Aeronautics by : United States. National Advisory Committee for Aeronautics
Download or read book Technical Note - National Advisory Committee for Aeronautics written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1958 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Abstracts and Reclassification Notice by : United States. National Advisory Committee for Aeronautics
Download or read book Research Abstracts and Reclassification Notice written by United States. National Advisory Committee for Aeronautics and published by . This book was released on 1954 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Abstracts by : United States. National Advisory Committee for Aeronautics
Download or read book Research Abstracts written by United States. National Advisory Committee for Aeronautics and published by . This book was released on with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Note written by and published by . This book was released on 1957 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Noise Survey of a Full-scale Supersonic Turbine-driven Propeller Under Static Conditions by : Max C. Kurbjun
Download or read book Noise Survey of a Full-scale Supersonic Turbine-driven Propeller Under Static Conditions written by Max C. Kurbjun and published by . This book was released on 1957 with total page 742 pages. Available in PDF, EPUB and Kindle. Book excerpt: Overall sound-pressure levels and frequency spectra of the noise emitted from a full-scale, 7.2-foot-diameter, 3, 500 rpm, three-blade, supersonic propeller mounted on a turbine-powered airplane have been obtained under static conditions at stations about the propeller at a 100-foot radius.
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1948 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Some Mechanical Properties of Thermenol Compressor Blades by : Donald F. Johnson
Download or read book Investigation of Some Mechanical Properties of Thermenol Compressor Blades written by Donald F. Johnson and published by . This book was released on 1957 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comparison in bending and torsional deflection tests showed thermenol to have a modulus of elasticity of about 26,000,000 and a modulus of rigidity of abot 9,000,000.
Book Synopsis NACA Conference on Aircraft Loads, Structures, and Flutter by :
Download or read book NACA Conference on Aircraft Loads, Structures, and Flutter written by and published by . This book was released on 1957 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Evaluation of Effects of Flexibility on Wing Strains in Rough Air for a Large Swept-wing Airplane by Means of Experimentally Determined Frequency-response Functions with an Assessment of Random-process Techniques Employed by : Thomas L. Coleman
Download or read book An Evaluation of Effects of Flexibility on Wing Strains in Rough Air for a Large Swept-wing Airplane by Means of Experimentally Determined Frequency-response Functions with an Assessment of Random-process Techniques Employed written by Thomas L. Coleman and published by . This book was released on 1960 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: Power spectral methods of analysis are applied to flight test measurements of the strain responses of a large swept-wing bomber airplane in rough air in order to determine the effects of airplane structural dynamic on the strain responses. Power spectra and frequency-response functions of the strain responses are determined and compared with the estimated results for a quasi-static reference airplane condition. The results obtained indicate that the bending and shear strain responses are significantly amplified in rough air because of the effect of structural dynamics by an amount that varies from 10 to 20 percent at the root to about 100 percent at the midspan station. The amplifications appear to be larger for the high-altitude tests than for the low-altitude tests. The amplifications of strains appear to be predominantly associated with the excitation of the first wing-bending mode, although at the outboard stations and particularly for the shear strains significant effects also are introduced by high-frequency structural modes. The determination of airplane frequency-response functions for responses to atmospheric turbulence from measurements in continuous rough air involves a relatively new application of random-process techniques. The results obtained appear to be subject to errors from a wide number of sources which give rise to distortions and sampling errors. A general analysis of the reliability of such frequency-response function estimates is presented and methods of estimating the distortions and sampling errors are developed. These methods are applied to the data in order to establish the reliability of the present results. The results indicate that with due precaution reliable estimates of frequency-response functions can be obtained.
Book Synopsis The Subsonic Static Aerodynamic Characteristics of an Airplane Model Having a Triangular Wing of Aspect Ratio 3 by : Howard F. Savage
Download or read book The Subsonic Static Aerodynamic Characteristics of an Airplane Model Having a Triangular Wing of Aspect Ratio 3 written by Howard F. Savage and published by . This book was released on 1957 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
