Unmanned Aircraft Systems Detect and Avoid System: End-to-End Verification and Validation Simulation Study of Minimum Operations Performance Standards for Integrating Unmanned Aircraft into the National Airspace System

Abstract: As Unmanned Aircraft Systems (UAS) make their way to mainstream aviation operations within the National…

Meteoritic Amino Acids: Diversity in Compositions Reflects Parent Body Histories

Abstract: The analysis of amino acids in meteorites dates back over 50 years; however, it is…

High-Spatial-Resolution OH PLIF Visualization in a Cavity-Stabilized Ethylene-Air Turbulent Flame

Abstract: High-spatial-resolution OH planar laser-induced fluorescence was measured for a premixed ethylene-air turbulent flame in an…

Metrics for NASA Aeronautics Research Mission Directorate (ARMD) Strategic Thrust 3B Vertical Lift Strategic Direction

Abstract: The NASA Aeronautics Research Mission Directorate (ARMD) Strategic Implementation Plan details an ambitious plan for…

Impact and Estimation of Balance Coordinate System Rotations and Translations in Wind-Tunnel Testing

Abstract: Discrepancies between the model and balance coordinate systems lead to biases in the aerodynamic measurements…

Evaluation of Methods for In-Situ Calibration of Field-Deployable Microphone Phased Arrays

Abstract: Current field-deployable microphone phased arrays for aeroacoustic flight testing require the placement of hundreds of…

On the Importance of Spatial Resolution for Flap Side Edge Noise Prediction

Abstract: A spatial resolution study of flap tip flow and the effects on the farfield noise…

A Comparative Study of Simulated and Measured Main Landing Gear Noise for Large Civil Transports

Abstract: Computational results for the NASA 26%-scale model of a six-wheel main landing gear with and…

Composite Infrared Spectrometer (CIRS) on Cassini

Abstract: The Cassini spacecraft orbiting Saturn carries the composite infrared spectrometer (CIRS) designed to study thermal…

The Composition of Comet C 2012 K1 (PanSTARRS) and the Distribution of Primary Volatile Abundances Among Comets

Abstract: On 2014 May 22 and 24 we characterized the volatile composition of the dynamically new…