1–20 of 58 hits
|

    Space and Atmospheric Environments

    Barth, Janet L. / Day, John H. | NTRS | 2002
    This viewgraph presentation provides information on space environments and the protection of materials and structures from their harsh ...
    Publisher: NASA National Aeronautics and Space Administration

    Spacecraft VHF Radio Propagation Analysis in Ocean Environments Including Atmospheric Effects

    Hwu, Shian / Moreno, Gerardo / Desilva, Kanishka et al. | NTRS | 2010
    The Communication Systems Simulation Laboratory (CSSL) at the National Aeronautics and Space Administration (NASA)/Johnson Space Center ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Communications And Radar

    The Living with a Star Program: NASA's Role in Assuring Performance in Space and Atmospheric Environments

    Barth, Janet L. / LaBel, Kenneth / Brewer, Dana et al. | NTRS | 2001
    communities. This will enable future science, operational, and commercial objectives in space and atmospheric environments by improving engineering ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Space Sciences (General)

    Lidar and Electro-Optics for Atmospheric Hazard Sensing and Mitigation

    Clark, Ivan O. | NTRS | 2012
    Program. This element is seeking to improve the understanding of the atmospheric environments encountered by aviation and to provide enhanced ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Lightning Protection for the Orion Space Vehicle

    Scully, Robert | NTRS | 2015
    The Orion space vehicle is designed to requirements for both direct attachment and indirect effects of lightning. Both sets of requirements ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Space Transportation And Safety

    Use of Smoothed Measured Winds to Predict and Assess Launch Environments

    Cordova, Henry S. / Leahy, Frank / Adelfang, Stanley et al. | NTRS | 2011
    team as a key element of the launch day go/no-go recommendation. NASA s Space Shuttle and the heavy lift versions of the Evolved Expendable ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Launch Vehicles And Launch Operations

    Use of Smoothed Measured Winds to Predict and Assess Launch Environments

    Cordova, Henry S. / Leahy, Frank / Adelfang, Stanley et al. | NTRS | 2011
    controllability prior to launch which represents a distinct departure from the methodology of the Space Shuttle and Evolved Expendable Launch Vehicle ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Launch Vehicles And Launch Operations

    Handling Qualities of a Capsule Spacecraft During Atmospheric Entry

    Bilimoria, Karl D. / Mueller, Eric R. | NTRS | 2010
    descending through the atmospheric entry interface point and continued until the drogue parachutes deployed. There were two categories of piloting ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Space Transportation And Safety

    Reinforcement Learning with Autonomous Small Unmanned Aerial Vehicles in Cluttered Environments

    Tran, Loc / Cross, Charles / Montague, Gilbert et al. | NTRS | 2015
    in previously inaccessible environments which are of interest to NASA researchers in Earth and Atmospheric sciences. ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Cybernetics, Artificial Intelligence And Robotics

    Open Circuit Resonant (SansEC) Sensor for Composite Damage Detection and Diagnosis in Aircraft Lightning Environments

    Wang, Chuantong / Dudley, Kenneth L. / Szatkowski, George N. | NTRS | 2012
    Composite materials are increasingly used in modern aircraft for reducing weight, improving fuel efficiency, and enhancing the overall ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Electronics And Electrical Engineering

    Preliminary Convective-Radiative Heating Environments for a Neptune Aerocapture Mission

    Hollis, Brian R. / Wright, Michael J. / Olejniczak, Joseph et al. | NTRS | 2004
    Convective and radiative heating environments have been computed for a three-dimensional ellipsled configuration which would perform an ...
    Publisher: NASA National Aeronautics and Space Administration

    Upper Atmospheric Monitoring for Ares I-X Ascent Loads and Trajectory Evaluation on the Day-of-Launch

    Roberts, Barry C. / McGrath, Kevin / Starr, Brett et al. | NTRS | 2009
    and winds in evaluating vehicle ascent loads and controllability. A schedule for the release of balloons to measure atmospheric density and ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Launch Vehicles And Launch Operations

    A Design Comparison of Atmospheric Flight Vehicles for the Exploration of Titan

    Gasbarre, Joseph F. / Wright, Henry S. / Lewis, Mark J. | NTRS | 2005
    fascinating environments known to humankind. While this may seem the ideal place to attempt atmospheric flight, many challenges await any vehicle ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Spacecraft Design, Testing And Performance

    Corrosion Protection of Launch Infrastructure and Hardware Through the Space Shuttle Program

    Calle, L. M. | NTRS | 2011
    the challenges encountered in protecting launch infrastructure and hardware from corrosion during the life of the Space Shuttle program and ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Metals And Metallic Materials

    Living with a Star (LWS) Space Environment Testbeds (SET), Mission Carrier Overview and Capabilities

    Patschke, Robert / Barth, Janet / Label, Ken et al. | NTRS | 2004
    communities. This will enable future science, operational, and commercial objectives in space and atmospheric environments by improving engineering ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Space Sciences (General)

    Creating a Bimodal Drop-Size Distribution in the NASA Glenn Icing Research Tunnel

    King-Steen, Laura E. / Ide, Robert F. | NTRS | 2017
    Appendix O FZDZ, MVD40 m normalized cumulative volume within 10. This is done by simultaneously spraying the Standard and Mod1 nozzles at the same ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Research And Support Facilities (Air) , Air Transportation And Safety

    Simulation Propulsion System and Trajectory Optimization

    Hendricks, Eric S. / Falck, Robert D. / Gray, Justin S. | NTRS | 2017
    A number of new aircraft concepts have recently been proposed which tightly couple the propulsion system design and operation with the ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Aircraft Propulsion And Power

    Vibrating-Wire, Supercooled Liquid Water Content Sensor Calibration and Characterization Progress

    King, Michael / Bognar, John / Guest, Daniel et al. | NTRS | 2016
    . Significant progress has been made to calibrate and characterize these specialized sensors. Calibration testing of these sensors was carried out in a ...
    Publisher: NASA National Aeronautics and Space Administration

    Vibrating-Wire, Supercooled Liquid Water Content Sensor Calibration and Characterization Progress

    King, Michael C. / Bognar, John / Guest, Daniel et al. | NTRS | 2016
    liquid water content aloft. Significant progress has been made to calibrate and characterize these sensors. Calibration testing of the vibrating ...
    Publisher: NASA National Aeronautics and Space Administration

    Generation and Evaluation of Lunar Dust Adhesion Mitigating Materials

    Wohl, Christopher J. / Connell, John W. / Lin, Yi et al. | NTRS | 2011
    Particulate contamination is of concern in a variety of environments. This issue is especially important in confined spaces with highly ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Lunar And Planetary Science And Exploration