1–14 of 14 hits
|

    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

    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

    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

    Ice Growth Measurements from Image Data to Support Ice-Crystal and Mixed-Phase Accretion Testing

    Struk, Peter, M / Lynch, Christopher, J. | NTRS | 2012
    This paper describes the imaging techniques as well as the analysis methods used to measure the ice thickness and growth rate in support of ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Ice Growth Measurements from Image Data to Support Ice Crystal and Mixed-Phase Accretion Testing

    Struk, Peter M. / Lynch, Christopher J. | NTRS | 2012
    This paper describes the imaging techniques as well as the analysis methods used to measure the ice thickness and growth rate in support of ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Instrumentation And Photography

    Low-Reynolds Number Aerodynamics of an 8.9 Percent Scale Semispan Swept Wing for Assessment of Icing Effects

    Broeren, Andy / Woodard, Brian / Diebold, Jeff et al. | NTRS | 2017
    This paper presents the results of an experimental and computational study of low-Reynolds number swept wing aerodynamics. This work has ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Fluid Mechanics And Thermodynamics

    Effect of Ice Shape Fidelity on Swept-Wing Aerodynamic Performance

    Camello, Stephanie C. / Bragg, Michael B. / Broeren, Andy P. et al. | NTRS | 2017
    . Simplified versions of an ice shape may help improve current ice accretion simulation methods and therefore aircraft design, certification, and ...
    Publisher: NASA National Aeronautics and Space Administration

    Development of 3D Ice Accretion Measurement Method

    Lee, Sam / Broeren, Andy P. / Addy, Harold E., Jr. et al. | NTRS | 2012
    Icing wind tunnels are designed to simulate in-flight icing environments. The chief product of such facilities is the ice accretion that ...
    Publisher: NASA National Aeronautics and Space Administration

    Definition and Demonstration of a Methodology for Validating Aircraft Trajectory Predictors

    Vivona, Robert A. / Paglione, Mike M. / Cate, Karen T. et al. | NTRS | 2010
    field trials, flight tests and simulation experiments for the development of trajectory-predictor-based automation. The methodology introduces ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Post-flight Analysis of Mars Science Laboratory Entry Aerothermal Environment and Thermal Protection System Response

    White, Todd Richard / Mahazari, Milad / Bose, Deepak et al. | NTRS | 2013
    heating environments of atmospheric entry by an ablative heatshield. This Phenolic Impregnated Carbon Ablator heatshield was instrumented with a ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: entry descent and landing , Spacecraft Design, Testing And Performance

    Air Traffic Sector Configuration Change Frequency

    Chatterji, Gano B. / Drew, Michael | NTRS | 2010
    A Mixed Integer Linear Programming method is used for creating sectors in Fort Worth, Cleveland, and Los Angeles centers based on several ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Air Transportation And Safety

    Structures and Mechanisms Design Concepts for Adaptive Deployable Entry Placement Technology

    Yount, Bryan C. / Arnold, James O. / Gage, Peter J. et al. | NTRS | 2012
    (ADEPT) concept can revolutionize future robotic and human exploration missions involving atmospheric entry, descent and landing by significantly ...
    Publisher: NASA National Aeronautics and Space Administration
    Keywords: Spacecraft Design, Testing And Performance