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Showing 1 to 18 of 18 for “"Ames Research Center"”.
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Design and Analysis of a Thermal Shield System for the Starprobe Spacecraft.
… of the California Institute of Technology and Ames Research Center (ARC) of the National Aeronautics and Space Administration (NASA) of an unmanned spacecraft for close-range solar observation.
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Development of a CAD system for automated conceptual design of supersonic aitcraft
… aircraft synthesis program written by the NASA Ames Research Center; is discussed. The system, named ACSYNT/VPI, was written using the PHIGS graphics standard for machine independence and designed based on top·down principles and standards. A functional description of ACSYNT is presented as …
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A CFD/CSD Interaction Methodology for Aircraft Wings
… code)and NASTRAN. In addition, the Aeroelastic Research Wing (ARW-2) is used for demonstration of the aeroelastic coupling procedure by using ENSAERO (NASA Ames Research Center CFD code) and a finite element wing-box code (developed as a part of this research). The results obtained from the …
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Maximum entropy quadratic model to characterize chemical non-equilibrium in re-entry flows
… from ab-initio calculations performed at NASA Ames Research Center. Previous analysis of the population distribution revealed that the population of the low lying energy levels of nitrogen molecules strongly deviates from a Boltzmann distribution, and the non-equilibrium distribution exhibits …
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Afterbody drag prediction for conceptual aircraft design
… aircraft design tool developed at NASA Ames Research Center and Virginia Polytechnic Institute and State University. Comparison of the predictions of the new hybrid approach with those of a more complex and much more computationally expensive method show generally good agreement.
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Internal energy relaxation in nitrogen plasmas
… Trajectory) model recently developed at NASA Ames Research Center is used to study energy transfers and population distribution of nitrogen molecules due to collisions with atoms. An ab-initio model developed at the University College London (UCL) is used to study electron impact excitation. …
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Effects of checklist interface on nonverbal cockpit communications
… and tested in a high-fidelity simulator at NASA-Ames Research Center (ARC). The first part of this proposal establishes the theoretical background for the assumptions underlying the research, suggesting that in the context of the interaction between a multi-operator crew and a machine, the design …
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Responsive Space Environments: New Paradigms in Blending Virtual and Physical Exploration through Human-Robot Operations
… interact, and study remote environments. This research delves into the use cases, benefits, and challenges associated with Human-robot operations in virtual space analog environments, proposing innovative visualizations that work in tandem with automation to address challenges in mission …
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A Holistic Usability Framework For Distributed Simulation Systems
… The framework is developed considering relevant research in human-computer interaction, computer science, technical writing, engineering, management, and psychology. The methodology used consists of three steps: (1) framework development, (2) surveys of users to validate and refine the framework, …
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Real-time Evaluation of Vision-based Navigation for Autonomous Landing of a Rotorcraft Unmanned Aerial Vehicle in a Non-cooperative Environment
… building rooftop or a cluttered parking lot. The research of this thesis builds upon an approach that was initiated at NASA Ames Research Center to advance technology in the landing phase of RUAV operations. The approach consists of applying JPL's binocular stereo ranging algorithm to identify a …
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Aircraft conflict analysis and real-time conflict probing using probabilistic trajectory modeling
… developed and has been utilized in several NASA Ames Research Center experimental studies.
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An Experimental Investigation of the STOL Performance of Cal Poly's AMELIA in the NFAC
… Full-Scale Aerodynamics Complex (NFAC) at NASA Ames Research Center are presented. AMELIA, the Advanced Model for Extreme Lift and Improved Aeroacoustics, is the first full-span, cruise efficient, short take-off and landing (CESTOL) model incorporating leading- and trailing-edge blowing wing …
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Placing outer space : an earthly ethnography of other worlds
… our own Solar System, I spent time at the NASA Ames Research Center with a group of computer scientists who create high resolution and three-dimensional maps of Mars. These maps reflect the kind of place Mars is today: it is available to everyone to explore, it is displayed such that you can …
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An actively cooled floating element skin friction balance for direct measurement in high enthalpy supersonic flows
… Facility (DCAF) supersonic combustor at the NASA AMES Research Center. Flow conditions in the high enthalpy combustor models ranged from total pressures of 275-800 psia (1900-5550 kPa) and total temperatures from 5800-8400 R (3222-4667 K). This gives enthalpies in the range of 1700-3300 …
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Single Camera Photogrammetry MATLAB Solver Developed for Automation of the Oil Interferometry Process
… last 20 years, Gregory G. Zilliac of the NASA AMES Research Center has been in continuous development of a fringe-imaging skin friction PC application used in oil interferometry analysis. This application, CXWIN5G, allows users to analyze propagation of oil smears across an aerodynamic surface …
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Development of Measurement Methods for Application to a Wind Tunnel Test of an Advanced Transport Model
… (NFAC) 40 foot by 80 foot wind tunnel at NASA Ames Research Center in the summer of 2011. The development of two measurement techniques is discussed in this work, both with the objective of making measurements on AMELIA for CFD validation. First, the work on the application of the …
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Improving the robustness of GPS direct position estimation
… the 50~m by 40~m wind tunnel located at NASA's Ames Research Center in Mountain View, California, utilizing the surface of the wind tunnel as a reflector of GPS signals. We demonstrated through our experiment, improved robustness in terms of horizontal positioning accuracy, due to the …
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Trim Angle of Attack of Flexible Wings Using Non-Linear Aerodynamics
… Results available for the Aeroelastic Research Wing (ARW) are used to evaluate the performance of the modal superposition approach. Calculations are made at a fixed angle of attack and the results are compared to both the experimental results obtained at NASA Langley Research Center, …