1–20 von 484 Ergebnissen
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    Trapezoidal Wing Experimental Repeatability and Velocity Profiles in the 14- by 22-Foot Subsonic Tunnel

    Hannon, Judith A. / Washburn, Anthony E. / Jenkins, Luther N. et al. | NTRS | 2012
    The AIAA Applied Aerodynamics Technical Committee sponsored a High Lift Prediction Workshop held in June 2010. For this first workshop ...
    Verlag: NASA National Aeronautics and Space Administration

    Comparison of Statistical Estimation Techniques for Mars Entry, Descent, and Landing Reconstruction from MEDLI-like Data Sources

    Dutta, Soumyo / Braun, Robert D. / Russell, Ryan P. et al. | NTRS | 2012
    Flight data from an entry, descent, and landing (EDL) sequence can be used to reconstruct the vehicle's trajectory, aerodynamic ...
    Verlag: NASA National Aeronautics and Space Administration

    Asymmetric Uncertainty Expression for High Gradient Aerodynamics

    Pinier, Jeremy T | NTRS | 2012
    reasons for this, includ- ing the error introduced by simulating a real system at a smaller scale and at non-ideal conditions, or the error due to ...
    Verlag: NASA National Aeronautics and Space Administration

    Rapid Parameterization Schemes for Aircraft Shape Optimization

    Li, Wu | NTRS | 2012
    , and linear morphing. These parametric schemes can be applied to two types of components: wing-type surfaces (e.g., wing, canard, horizontal ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Design, Testing And Performance

    Recent Updates to the CFD General Notation System (CGNS)

    Rumsey, Christopher L. / Wedan, Bruce / Hauser, Thomas et al. | NTRS | 2012
    The CFD General Notation System (CGNS) - a general, portable, and extensible standard for the storage and retrieval of computational fluid ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    Upgrades at the NASA Langley Research Center National Transonic Facility

    Paryz, Roman W. | NTRS | 2012
    capability that is well suited for research in propulsion airframe integration studies, circulation control high-lift concepts, powered lift, and ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    High-Reynolds Number Circulation Control Testing in the National Transonic Facility

    Milholen, William E., II / Jones, Gregory S. / Chan, David T. et al. | NTRS | 2012
    A new capability to test active flow control concepts and propulsion simulations at high Reynolds numbers in the National Transonic ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics

    Application of CART3D to Complex Propulsion-Airframe Integration with Vehicle Sketch Pad

    Hahn, Andrew S. | NTRS | 2012
    Vehicle Sketch Pad (VSP) is an easy-to-use modeler used to generate aircraft geometries for use in conceptual design and analysis. It has ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Propulsion And Power

    Efficient Global Aerodynamic Modeling from Flight Data

    Morelli, Eugene A. | NTRS | 2012
    A method for identifying global aerodynamic models from flight data in an efficient manner is explained and demonstrated. A novel ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Stability And Control

    Hybrid Wing Body Configuration Scaling Study

    Nickol, Craig L. | NTRS | 2012
    , noise and emissions compared to conventional concepts. Initial studies focused on very large applications with capacities for up to 800 ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Design, Testing And Performance

    The Effect of Systematic Error in Forced Oscillation Testing

    Williams, Brianne Y. / Landman, Drew / Flory, Isaac L., IV et al. | NTRS | 2012
    One of the fundamental problems in flight dynamics is the formulation of aerodynamic forces and moments acting on an aircraft in arbitrary ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Design, Testing And Performance

    Support System Effects on the NASA Common Research Model

    Rivers, S. Melissa B. / Hunter, Craig A. | NTRS | 2012
    An experimental investigation of the NASA Common Research Model was conducted in the NASA Langley National Transonic Facility and NASA Ames ...
    Verlag: NASA National Aeronautics and Space Administration

    Improved Aerodynamic Analysis for Hybrid Wing Body Conceptual Design Optimization

    Gern, Frank H. | NTRS | 2012
    This paper provides an overview of ongoing efforts to develop, evaluate, and validate different tools for improved aerodynamic modeling and ...
    Verlag: NASA National Aeronautics and Space Administration

    Revitalization of the NASA Langley Research Center's Infrastructure

    Weiser, Erik S. / Mastaler, Michael D. / Craft, Stephen J. et al. | NTRS | 2012
    The NASA Langley Research Center (Langley) was founded in 1917 as the nation's first civilian aeronautical research facility and NASA's ...
    Verlag: NASA National Aeronautics and Space Administration

    Circulation Control Model Experimental Database for CFD Validation

    Paschal, Keith B. / Neuhart, Danny H. / Beeler, George B. et al. | NTRS | 2012
    dynamics. Two jet momentum coefficients were tested during this entry: 0.047 and 0.114. Boundary-layer transition was investigated and turbulent ...
    Verlag: NASA National Aeronautics and Space Administration

    Flow Disturbance Characterization Measurements in the National Transonic Facility

    King, Rudolph A. / Andino, Marlyn Y. / Melton, Latunia et al. | NTRS | 2012
    section. The primary purpose of the test is to determine the feasibility of the NTF to conduct laminar-flow-control testing and boundary-layer ...
    Verlag: NASA National Aeronautics and Space Administration

    The Effect of Magnetohydrodynamic (MHD) Energy Bypass on Specific Thrust for a Supersonic Turbojet Engine

    Benyo, Theresa L. | NTRS | 2010
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Aircraft Propulsion And Power

    Transition Induced by Fence Geometrics on Shuttle Orbiter at Mach 10

    Everhart, Joel L. | NTRS | 2010
    Langley 31-Inch Mach 10 Tunnel to compare with the Shuttle Boundary Layer Transition Flight and HYTHIRM Experiments, and to provide additional ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Spacecraft Design, Testing And Performance

    NASA Standard for Models and Simulations: Philosophy and Requirements Overview

    Blattnig, St3eve R. / Luckring, James M. / Morrison, Joseph H. et al. | NTRS | 2009
    identify those CAIB report elements with NASA-wide applicability and to develop corrective measures to address each element. One such measure was ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Space Transportation And Safety

    Design and Calibration of a Flowfield Survey Rake for Inlet Flight Research

    Flynn, Darin C. / Ratnayake, Nalin A. / Frederick, Michael | NTRS | 2009
    aircraft, tail number 836, as a modular host for a variety of aerodynamics and propulsion research. For future flight data from this platform to be ...
    Verlag: NASA National Aeronautics and Space Administration
    Schlagwörter: Fluid Mechanics And Thermodynamics