Commercial Crew Program Status

Abstract: No abstract available

Real-Time Risk Assessment Framework for Unmanned Aircraft System (UAS) Traffic Management (UTM)

Abstract: The new Federal Aviation Administration (FAA) Small Unmanned Aircraft rule (Part 107) marks the first…

Design of an Axisymmetric Afterbody Test Case for CFD Validation

Abstract: As identified in the CFD Vision 2030 Study commissioned by NASA, validation of advanced RANS…

W-8 Acoustic Casing Treatment Test Overview

Abstract: During February 2017, aerodynamic and acoustic testing was performed on a scale-model high bypass ratio…

Electric Motor Noise Status

Abstract: The results from recent electric motor noise tests are presented.

Advanced Thermal Barrier and Environmental Barrier Coating Development at NASA GRC

Abstract: This presentation summarizes NASA's advanced thermal barrier and environmental barrier coating systems, and the coating…

Full Gradient Solution to Adaptive Hybrid Control

Abstract: This paper focuses on the adaptation mechanisms in adaptive hybrid controllers. Most adaptive hybrid controllers…

Impedance Eduction in Large Ducts Containing Higher-Order Modes and Grazing Flow

Abstract: Impedance eduction test data are acquired in ducts with small and large cross-sectional areas at…

Flight Crew Survey Responses from the Interval Management (IM) Avionics Phase 2 Flight Test

Abstract: The Interval Management (IM) Avionics Phase 2 flight test used three aircraft over a nineteen…

Characterization of Metering, Merging and Spacing Requirements for Future Trajectory-Based Operations

Abstract: Trajectory-Based Operations (TBO) is one of the essential paradigm shifts in the NextGen transformation of…