Research Catalog

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  • Topology of modified helical gear and tooth contact analysis (TCA) program [microform] / Faydor L. Litvin and Jiao Zhang.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division ; [Springfield, Va. : National Technical Information Service, distributor], 1989.
    • 1989

  • New generation methods for spur, helical, and spiral-bevel gears [microform] / F.L. Litvin ... [et al.] ; prepared for the the Rotary Wing Propulsion System Specialist Meeting, Williamsburg, Virginia, November 12-14, 1986.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration ; [Springfield, Va. : For sale by the National Technical Information Service, 1986]
    • 1986

  • Computerized design and generation of low-noise gears with localized bearing contact [microform] / F.L. Litvin ... [et al.].

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • Lidar analyses [microform] : contract period 7/01/93 - 10/30/94 / Gary D. Spiers.

    • Text
    • Huntsville, AL : Center for Applied Optics, University of Alabama in Huntsville ; [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • Polarization errors associated with birefingent waveplates [microform] / Edward A. West, Matthew H. Smith.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1995]
    • 1995

  • Local synthesis and tooth contact analysis of face-milled, uniform tooth height spiral bevel gears [microform] / F.L. Litvin and A.G. Wang.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Program ; [Springfield, Va. : National Technical Information Service, distributor, 1997]
    • 1997

  • Effect of flow misalignment and multi-hole interaction on boundary-layer bleed hole flow coefficient behavior [microform] / David O. Davis, Marcus Grimes, Mark Schoenenberger.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor], 1997]
    • 1997

  • Generation of spiral bevel gears with zero kinematical errors and computer aided tooth contact analysis [microform] / Faydor L. Litvin, ... [et al.].

    • Text
    • [Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, 1986]
    • 1986

  • Topology of modified helical gears [microform] / F.L. Litvin ... [et al.] ; prepared for the 5th International Power Transmission and Gearing Conference sponsored by the American Society of Mechanical Engineers, Chicago, Illinois, April 24-27, 1989.

    • Text
    • [Washington, D.C.] : National Aeronautics and Space Administration ; [St. Louis, Mo.] : US Army Aviation Systems Command ; [Springfield, Va. : For sale by the National Technical Information Service, 1989]
    • 1989
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS93265

  • Wear of steel and Ti6Al4V rollers in vacuum / Timothy L. Krantz, Iqbal Shareef.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, June 2012.
    • 2012-6
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo60261

  • Effect of flow misalignment and multi-hole interaction on boundary-layer bleed hole flow coefficient behavior / David O. Davis, Marcus Grimes, Mark Schoenenberger.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Lewis Research Center, June 1997.
    • 1997-6
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo79338

  • The effect of general statistical fiber misalignment on predicted damage initiation in composites / Brett A. Bednarcyk, Jacob Aboudi, Steven M. Arnold.

    • Text
    • Cleveland, Ohio : National Aeronautics and Space Administration, Glenn Research Center, July 2014.
    • 2014-7
    • 1 Resource

    Available Online

    https://purl.fdlp.gov/GPO/gpo56909

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