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Experimental Investigation Of Aeroelastic Deformation Of Slender Wings At Supersonic Speeds Using A Video Model Deformation Measurement Technique
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Book Synopsis Experimental Investigation of Aeroelastic Deformation of Slender Wings at Supersonic Speeds Using a Video Model Deformation Measurement Technique by : National Aeronaut Administration (Nasa)
Download or read book Experimental Investigation of Aeroelastic Deformation of Slender Wings at Supersonic Speeds Using a Video Model Deformation Measurement Technique written by National Aeronaut Administration (Nasa) and published by . This book was released on 2020-08-18 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: A video-based photogrammetric model deformation system was established as a dedicated optical measurement technique at supersonic speeds in the NASA Langley Research Center Unitary Plan Wind Tunnel. This system was used to measure the wing twist due to aerodynamic loads of two supersonic commercial transport airplane models with identical outer mold lines but different aeroelastic properties. One model featured wings with deflectable leading- and trailing-edge flaps and internal channels to accommodate static pressure tube instrumentation. The wings of the second model were of single-piece construction without flaps or internal channels. The testing was performed at Mach numbers from 1.6 to 2.7, unit Reynolds numbers of 1.0 million to 5.0 million, and angles of attack from -4 degrees to +10 degrees. The video model deformation system quantified the wing aeroelastic response to changes in the Mach number, Reynolds number concurrent with dynamic pressure, and angle of attack and effectively captured the differences in the wing twist characteristics between the two test articles. Erickson, Gary E. Langley Research Center NASA/TM-2013-217977, L-20228, NF1676L-16083 AERODYNAMIC LOADS; ANGLE OF ATTACK; DYNAMIC PRESSURE; MACH NUMBER; STATIC PRESSURE; TRAILING EDGE FLAPS; OPTICAL MEASUREMENT; REYNOLDS NUMBER; WIND TUNNELS; FLEXIBLE WINGS; PHOTOGRAMMETRY
Book Synopsis Experimental investigation of aeroelastic deformation of slender wings at supersonic speeds using a video model deformation measurement technique by : Gary E. Erickson
Download or read book Experimental investigation of aeroelastic deformation of slender wings at supersonic speeds using a video model deformation measurement technique written by Gary E. Erickson and published by . This book was released on 2013 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of the Static Aeroelastic Deformation and Loading of a Wing in Supersonic Flow by : Frank Herman Durgin
Download or read book A Measurement of the Static Aeroelastic Deformation and Loading of a Wing in Supersonic Flow written by Frank Herman Durgin and published by . This book was released on 1963 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aeroelastic analysis of Zisfein, Donato and Farrell (AD-155739) uses an aerodynamic matrix, a structural matrix and the initial angle of attack to predict the equilibrium pressures and shape of a wing. To test the accuracy of their methods, a flexible wing was built and instrumented with pressure taps and mirrors. The wing was tested at Mach numbers of 2 and 3, and both the pressure distribution and the deflected shape were measured. An aerodynamic matrix computed on the basis of the semiempirical procedures of the above authors was used to predict pressure distributions, and an experimentally determined structural matrix was used to find equilibrium angles of attack. Finally, these two matrices were used in the aeroelastic equations to compute pressures and angles of attack from the undeflected shape of the wing. Comparisons between theory and experiment are presented for eight different free stream conditions. -- page iii.
Download or read book Aeronautical Engineering written by and published by . This book was released on 1991 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
Download or read book NASA SP. written by and published by . This book was released on 1990 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1978 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 261) by :
Download or read book Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 261) written by and published by . This book was released on 1991 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1986 with total page 1108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 235) by :
Download or read book Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 235) written by and published by . This book was released on 1989 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aeronautical Engineering: A Cumulative Index to the 1984 Issues of the Continuing Bibliography by :
Download or read book Aeronautical Engineering: A Cumulative Index to the 1984 Issues of the Continuing Bibliography written by and published by . This book was released on 1985 with total page 580 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 1016 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparison of Experimental and Theoretical Static Aeroelastic Loads and Deflections of a Thin 45° Wing in Supersonic Flow by : Floyd V. Bennett
Download or read book Comparison of Experimental and Theoretical Static Aeroelastic Loads and Deflections of a Thin 45° Wing in Supersonic Flow written by Floyd V. Bennett and published by . This book was released on 1961 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind tunnel tests showing the effects of static aeroelasticity for a thin 45° delta wing in supersonic flow are presented and compared with theory in the Mach number range 1.30 t o 4.00. Calculated deformations, normal-force coefficients, and pitching-moment coefficients based on a linearized potential theory for subsonic leading edges at a Mach number of 1.30 and a linearized potential theory for supersonic leading edges at Mach numbers of 1.64, 3.00, and 4.00 are shown to compare favorably with the wind-tunnel results.
Download or read book Government Reports Index written by and published by . This book was released on 1973 with total page 1080 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Investigation Base Pressure on Blunt-trailing-edge Wings at Supersonic Velocities by : Dean R. Chapman
Download or read book Experimental Investigation Base Pressure on Blunt-trailing-edge Wings at Supersonic Velocities written by Dean R. Chapman and published by . This book was released on 1952 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt: The pressres acting on the base of blunt-trailing-edge airfoils have been measured at Mach numbers of 1.25, 1.5, 2.0, and 3.1 and at Reynolds numbers from 0.2 to 3.8 million. Data are presented for 29 profiles both with laminar and with turbulent boundary layers approaching the trailing edges of the wings. The base pressure is found to be a function primarily of Mach number and the ratio of the boundary layer thickeness at the trailing edge to the trailing-edge thickness.
Book Synopsis Experimental Determination of Damping in Pitch of Swept and Delta Wings at Supersonic Mach Numbers by : John A. Moore
Download or read book Experimental Determination of Damping in Pitch of Swept and Delta Wings at Supersonic Mach Numbers written by John A. Moore and published by . This book was released on 1957 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The damping-in-pitch derivative was determined experimentally at Mach numbers of 2.96 and 3.92 for two delta wings having aspect ratios of 2 and 3 and for one sweptback tapered wing having an aspect ratio of 3 by using a free-oscillation technique. The tests were made at Reynolds numbers based on mean aerodynamic chord from 4,000,000 to 12,000,000 for an angle-of-attack range of zero to 10 degrees. The reduced-frequency parameter ranged from 0.006 to 0.022.
Book Synopsis Active Aeroelastic Wing by : Fouad Sabry
Download or read book Active Aeroelastic Wing written by Fouad Sabry and published by One Billion Knowledgeable. This book was released on 2022-10-25 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: What Is Active Aeroelastic Wing The X-53 Active Aeroelastic Wing (AAW) development program is an American research project that has been completed. This project was carried out jointly by the Air Force Research Laboratory (AFRL), Boeing Phantom Works, and NASA's Dryden Flight Research Center. At NASA's Dryden Flight Research Center, the technology was flight tested on a modified McDonnell Douglas F/A-18 Hornet. Active Aeroelastic Wing Technology is a technology that blends the aerodynamics, controls, and structure of a wing in order to harness and regulate the aeroelastic twist that a wing experiences under dynamic stresses and high speeds. The use of multiple leading and trailing edge controls, such as "aerodynamic tabs," enables subtle amounts of aeroelastic twist to be controlled to provide large amounts of wing control power, while simultaneously minimizing maneuver air loads under high wing strain conditions or aerodynamic drag under low wing strain conditions. This is accomplished while maintaining a balance between the two extremes of wing strain conditions. This operation served as the very first demonstration of AAW technology on a large scale. How You Will Benefit (I) Insights, and validations about the following topics: Chapter 1: Active Aeroelastic Wing Chapter 2: Aileron Chapter 3: Aeroelasticity Chapter 4: Elevon Chapter 5: NASA X-43 Chapter 6: List of experimental aircraft Chapter 7: Boeing X-45 Chapter 8: Grumman X-29 Chapter 9: Air Force Research Laboratory Chapter 10: Boeing X-48 Chapter 11: Elevator (aeronautics) Chapter 12: Flap (aeronautics) Chapter 13: United States Air Force Stability and Control Digital DATCOM Chapter 14: Leading-edge cuff Chapter 15: Flaperon Chapter 16: Spoileron Chapter 17: McDonnell Douglas F-15 STOL/MTD Chapter 18: Boeing X-51 Waverider Chapter 19: Adaptive compliant wing Chapter 20: Leading-edge slat Chapter 21: General Dynamics-Boeing AFTI/F-111A Aardvark (II) Answering the public top questions about boeing x53 active aeroelastic wing. (III) Real world examples for the usage of boeing x53 active aeroelastic wing in many fields. (IV) 17 appendices to explain, briefly, 266 emerging technologies in each industry to have 360-degree full understanding of boeing x53 active aeroelastic wing' technologies. Who This Book Is For Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of boeing x53 active aeroelastic wing.
Book Synopsis Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 300) by :
Download or read book Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 300) written by and published by . This book was released on 1994 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
