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  • AIRCRAFT DESIGN, TESTING AND PERFORMANCE  (3)
  • Condensed Matter: Electronic Properties, etc.  (1)
  • 1
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    Spin-Stretching Modes in Anisotropic Magnets: Spin-Wave Excitations in the Multiferroic Ba_{2}CoGe_{2}O_{7} (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-06-20
    Description: Author(s): K. Penc, J. Romhányi, T. Rõõm, U. Nagel, Á. Antal, T. Fehér, A. Jánossy, H. Engelkamp, H. Murakawa, Y. Tokura, D. Szaller, S. Bordács, and I. Kézsmárki We studied spin excitations in the magnetically ordered phase of the noncentrosymmetric Ba 2 CoGe 2 O 7 in high magnetic fields up to 33 T. In the electron spin resonance and far infrared absorption spectra we found several spin excitations beyond the two conventional magnon modes expected for such a two... [Phys. Rev. Lett. 108, 257203] Published Tue Jun 19, 2012
    Keywords: Condensed Matter: Electronic Properties, etc.
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
    Published by American Physical Society (APS)
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    PAPER CURRENT
  • 2
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    Studies of advanced transport aircraft (1978)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: Several concepts for possible future airplanes, including all-wing distributed-load airplanes, multibody airplanes, a long-range laminar flow control airplane, a nuclear-powered airplane designed for towing conventionally powered airplanes during long-range cruise, and an aerial transportation system comprised of continuously flying liner airplanes operated in conjunction with short-range feeder airplanes are described. Performance and economic advantages of each concept are indicated. Further research is recommended in the following areas: all-wing airplane aerodynamics, aerial rendezvous, nuclear aircraft engines, air-cushion landing systems, and laminar flow control, as well as the basic research discipline areas of aerodynamics, structures, propulsion, avionics, and computer applications.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: CTOL Transport Technol., 1978; p 951-982
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Future long-range transports - Prospects for improved fuel efficiency (1975)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: A status report is provided on current thinking concerning potential improvements in fuel efficiency and possible alternate fuels. Topics reviewed are: historical trends in airplane efficiency; technological opportunities including supercritical aerodynamics, vortex diffusers, composite materials, propulsion systems, active controls, and terminal-area operations; unconventional design concepts, and hydrogen-fueled airplane.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: AIAA PAPER 75-316 , American Institute of Aeronautics and Astronautics, Annual Meeting and Technical Display; Feb 24, 1975 - Feb 26, 1975; Washington, DC
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Future long-range transports: Prospects for improved fuel efficiency (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A status report is provided on current thinking concerning potential improvements in fuel efficiency and possible alternate fuels. Topics reviewed are: (1) historical trends in airplane efficiency; (2) technological opportunities including supercritical aerodynamics, (3) vortex diffusers, (4) composite materials, (5) propulsion systems, (6) active controls, and terminal-area operations; (7) unconventional design concepts, and (8) hydrogen-fueled airplane.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-TM-X-72659
    Format: application/pdf
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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