X-Ray Micro-Tomography Applied to Nasa’s Materials Research: Heat Shields, Parachutes and Asteroids

Abstract: X-ray micro-tomography is used to support the research on materials carried out at NASA Ames…

X-57 Power and Command System Design

Abstract: This paper describes the power and command system architecture of the X-57 Maxwell flight demonstrator…

Modeling of Gaseous Oxygen Liquefaction Inside Mars Ascent Vehicle Propellant Tank

Abstract: The In-Situ production of propellants for Mars missions has been considered to utilize the Carbon…

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

Abstract: Aerodynamic assessment of icing effects on swept wings is an important component of a larger…

Tones Encountered with a Coannular Nozzle and a Method for their Suppression

Abstract: With multi-stream coannular nozzles, sometimes tones occur that may cause the nozzle to fail noise…

UAS in the NAS – Analysis Results and Recommendations for Integration of CNPC and ATC Communications Simulation Report

Abstract: This report addresses a deliverable to the UAS-in-the-NAS project for recommendations for integration of CNPC…

Boundary Condition Study for the Juncture Flow Experiment in the NASA Langley 14×22-Foot Subsonic Wind Tunnel

Abstract: Because future wind tunnel tests associated with the NASA Juncture Flow project are being designed…

Time Resolved Stereo Particle Image Velocimetry Measurements of the Instabilities Downstream of a Backward-Facing Step in a Swept-Wing Boundary Layer

Abstract: Time-resolved particle image velocimetry (TRPIV) measurements are performed down-stream of a swept backward-facing step, with…

Building a Practical Natural Laminar Flow Design Capability

Abstract: A preliminary natural laminar flow (NLF) design method that has been developed and applied to…

A Breccia of Ureilitic and C2 Carbonaceous Chondrite Materials from Almahata Sitta: Implications for the Regolith of Urelitic Asteroids

Abstract: The Almahata Sitta (AhS) polymict ureilite is the first meteorite to originate from a spectrally…