Multiscale Modeling of PEEK Using Reactive Molecular Dynamics Modeling and Micromechanics

Abstract: Polyether ether ketone (PEEK) is a high-performance, semi-crystalline thermoplastic that is used in a wide…

Lifetimes of Multiply Alkylated Cyclopentane Oil in Contact with Various Metals, Evaluated with Vacuum Spiral Orbit Tribometer

Abstract: The dependence of the lifetimes of small quantities of a Multiply Alkylated Cyclopentane (MAC) lubricant…

Dual Rotating Rake Measurements of Higher-Order Duct Modes: Validation Using Experimental and Numerical Data

Abstract: A rotating rake mode measurement system was designed to measure acoustic duct modes generated by…

The CAESAR New Frontiers Comet Sample Return Mission

Abstract: The Comet Astrobiology Exploration Sample Return (CAESAR) mission is one of two finalists selected by…

Summary of Pressure Gain Combustion Research at NASA

Abstract: NASA has undertaken a systematic exploration of many different facets of pressure gain combustion over…

Carbon on Mercury’s Surface – Origin, Distribution, and Concentration

Abstract: Distinctive low-reflectance material (LRM) was first observed on Mercury in Mariner 10 flyby images. Visible…

Omnidirectional Inter-Satellite Optical Communicator (ISOC)

Abstract: The objective of the Omnidirectional Inter-Satellite Optical Communicator (ISOC) project is to design a compact,…

Preload Loss in a Spacecraft Fastener via Vibration-Induced Unwinding

Abstract: Sound engineering practice requires that fasteners and bolted joints maintain preload in service. NASA recently…

Experimental Visualizations of a Generic Launch Vehicle Flow Field: Time-Resolved Shadowgraph and Infrared Imaging

Abstract: Time-Resolved shadowgraph and infrared (IR) imaging were performed to investigate off-body and on-body flow features…

Miniature Optical Communications Transceiver (MOCT)

Abstract: This project will advance the technology readiness of the Miniature Optical Communications Transceiver (MOCT) from…