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  • Other Sources  (4)
  • 1980-1984  (4)
Collection
Source
Keywords
Years
Year
  • 1
    facet.materialart.
    Unknown
    Inflatable device for installing strain gage bridges (1983)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: Methods and devices for installing in a tubular shaft multiple strain gages are disclosed with focus on a method and a device for pneumatically forcing strain gages into seated engagement with the internal surfaces of a tubular shaft in an installation of multiple strain gages in a tubular shaft. The strain gages or other electron devices are seated in a template-like component which is wrapped about a pneumatically expansible body. The component is inserted into a shaft and the body is pneumatically expanded after a suitable adhesive was applied to the surfaces.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
    facet.materialart.
    Unknown
    Description of the HiMAT Tailored composite structure and laboratory measured vehicle shape under load (1981)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The aeroelastically tailored outer wing and canard of the highly maneuverable aircraft technology (HiMAT) vehicle are closely examined and a general description of the overall structure of the vehicle is provided. Test data in the form of laboratory measured twist under load and predicted twist from the HiMAT NASTRAN structural design program are compared. The results of this comparison indicate that the measured twist is generally less than the NASTRAN predicted twist. These discrepancies in twist predictions are attributed, at least in part, to the inability of current analytical composite materials programs to provide sufficiently accurate properties of matrix dominated laminates for input into structural programs such as NASTRAN.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-TM-81354 , H-1144
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
    facet.materialart.
    Unknown
    Post-processing flame-retardant for polyurethane (1980)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Treatment of polyurethane form with elastomer formulation after processing makes foam fire resistant without compromising physical properties. In testing, once ignition source is removed, combustion stops. Treatment also prevents molten particle formation, generates no smoke or toxic gases in fire, and does not deteriorate under prolonged exposure to Sun.
    Keywords: MATERIALS
    Type: MSC-16307 , NASA Tech Briefs (ISSN 0145-319X); 4; 3; P. 376
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 4
    facet.materialart.
    Unknown
    AD-1 oblique wing aircraft program (1980)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The oblique wing concept for super- and subsonic transport was assessed by analysis and wind tunnel radio control model and remotely piloted vehicle testing. A one-sixth scale wind tunnel model and a low speed manned oblique wing research airplane (AD-1) were developed. Model wind tunnel test data on dynamic structural response characteristics were used in a simulator to develop the control system. The airplane is of simple design with fiber glass skin, weight of approximately 2100 lbs and speeds of up to 175 knots at altitudes up to 15,000 ft. Flight testing will investigate handling and flying qualities, oblique wing flight control characteristics, aeroelastic wing design and will compare actual with predicted aerodynamic characteristics. Nineteen flights were made at 12,000 to 13,000 feet with speeds of 100-160 knots. Flutter clearance as a function of wing sweep angle is now under investigation.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: SAE PAPER 801180 , Aerospace Congress and Exposition; Oct 13, 1980 - Oct 16, 1980; Los Angeles, CA
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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