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ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (317 download)
Download or read book Technology Needs for High Speed Rotorcraft (3) written by and published by . This book was released on 1991 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781724672629
Total Pages : 256 pages
Book Rating : 4.6/5 (726 download)
Download or read book Technology Needs for High Speed Rotorcraft (2) written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-04 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: An analytical study was conducted to identify rotorcraft concepts best capable of combining a cruise speed of 350 to 450 knots with helicopter-like low speed attributes, and to define the technology advancements needed to make them viable by the year 2000. A systematic approach was used to compare the relative attributes and mission gross weights for a wide range of concepts, resulting in a downselect to the most promising concept/mission pairs. For transport missions, tilt-wing and variable diameter tilt-rotor (VDTR) concepts were found to be superior. For a military scout/attack role, the VDTR was best, although a shrouded rotor concept could provide a highly agile, low observable alternative if its weight empty fraction could be reduced. A design speed of 375 to 425 knots was found to be the maximum desirable for transport missions, with higher speed producing rapidly diminishing benefits in productivity. The key technologies that require advancement to make the tilt-wing and VDTR concepts viable are in the areas of wing and proprotor aerodynamics, efficient structural design, flight controls, refinement of the geared flap pitch control system, expansion of the speed/descent envelope, and the structural and aerodynamic tradeoffs of wing thickness and forward sweep. For the shrouded rotor, weight reduction is essential, particularly with respect to the mechanism for covering the rotor in cruise. Scott, Mark W. Unspecified Center NASA-CR-177590, A-91215, NAS 1.26:177590 NAS2-13058...
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ISBN 13 :
Total Pages : 258 pages
Book Rating : 4.:/5 (317 download)
Download or read book Technology Needs for High-speed Rotorcraft, Volume 1 written by and published by . This book was released on 1991 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 488 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Mark W. Scott
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Summary of Technology Needs for High Speed Rotorcraft Study written by Mark W. Scott and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.:/5 (317 download)
Download or read book Technology Needs for High-speed Rotorcraft written by and published by . This book was released on 1991 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.:/5 (317 download)
Download or read book Technology Needs for High Speed Rotorcraft (2) written by and published by . This book was released on 1991 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Schneider
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Advanced Rotorcraft V/STOL Technology Needs for the High Speed Rotorcraft written by John Schneider and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 752 pages
Book Rating : 4.:/5 (31 download)
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1994 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Technology, Environment, and Aviation
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ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.0/5 ( download)
Download or read book 1994 NASA Authorization written by United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Technology, Environment, and Aviation and published by . This book was released on 1993 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. House. Committee on Science and Technology. Subcommittee on Space Science and Applications
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ISBN 13 :
Total Pages : 1126 pages
Book Rating : 4.0/5 (1 download)
Download or read book 1977 NASA Authorization written by United States. Congress. House. Committee on Science and Technology. Subcommittee on Space Science and Applications and published by . This book was released on 1975 with total page 1126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress. House. Committee on Science and Technology
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ISBN 13 :
Total Pages : 566 pages
Book Rating : 4.3/5 (91 download)
Download or read book 1977 NASA Authorization written by United States. Congress. House. Committee on Science and Technology and published by . This book was released on 1977 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Egbert Torenbeek
Publisher : John Wiley & Sons
ISBN 13 : 1119667038
Total Pages : 184 pages
Book Rating : 4.1/5 (196 download)
Download or read book Essentials of Supersonic Commercial Aircraft Conceptual Design written by Egbert Torenbeek and published by John Wiley & Sons. This book was released on 2020-06-02 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides comprehensive coverage of how supersonic commercial aircraft are designed This must-have guide to conceptual supersonic aircraft design provides a state-of-the art overview of the subject, along with expert analysis and discussion. It examines the challenges of high-speed flight, covers aerodynamic phenomena in supersonic flow and aerodynamic drag in cruising flight, and discusses the advantages and disadvantages of oblique wing aircraft. Essentials of Supersonic Commercial Aircraft Conceptual Design is intended for members of a team producing an initial design concept of an airliner with the capability of making supersonic cruising flights. It begins with a synopsis of the history of supersonic transport aircraft development and continues with a chapter on the challenges of high-speed flight, which discusses everything from top level requirements and cruise speed requirements to fuel efficiency and cruise altitude. It then covers weight sensitivity; aerodynamic phenomena in supersonic flow; thin wings in two-dimensional flow; flat wings in inviscid supersonic flow; aerodynamic drag in cruising flight, and aerodynamic efficiency of SCV configurations. The book finishes with a chapter that examines oblique wing aircraft. Provides supersonic aircraft designers with everything they need to know about developing current and future high speed commercial jet planes Examines the many challenges of high-speed flight Covers aerodynamic phenomena in supersonic flow and aerodynamic drag in cruising flight Discusses the advantages and disadvantages of oblique wing aircraft Essentials of Supersonic Commercial Aircraft Conceptual Design is an ideal book for researchers and practitioners in the aerospace industry, as well as for graduate students in aerospace engineering.
Author : United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies
Publisher :
ISBN 13 :
Total Pages : 1146 pages
Book Rating : 4.0/5 (1 download)
Download or read book Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 1990: National Aeronautics and Space Administration written by United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies and published by . This book was released on 1989 with total page 1146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA SP. written by and published by . This book was released on 1991 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council (U.S.). Committee on Aeronautical Technologies
Publisher :
ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (269 download)
Download or read book Aeronautical Technologies for the Twenty-first Century written by National Research Council (U.S.). Committee on Aeronautical Technologies and published by . This book was released on 1992 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
