Modeling Ullage Dynamics of Tank Pressure Control Experiment during Jet Mixing in Microgravity

Abstract: A CFD model for simulating the fluid dynamics of the jet induced mixing process is…

Integration Tests of the 4 kW-Class High Voltage Hall Accelerator Power Processing Unit with the HiVHAc and the SPT-140 Hall Effect Thrusters

Abstract: NASA's Science Mission Directorate is sponsoring the development of a 4 kW-class Hall propulsion system…

Wear Testing of the HERMeS Thruster

Abstract: The Hall-Effect Rocket with Magnetic Shielding (HERMeS) thruster is being developed and tested at NASA…

Plasma Oscillation Characterization of NASA’s HERMeS Hall Thruster via High Speed Imaging

Abstract: The performance and facility effect characterization tests of NASA's 12.5-kW Hall Effect Rocket with Magnetic…

Hall Thruster Thermal Modeling and Test Data Correlation

Abstract: The life of Hall Effect thrusters are primarily limited by plasma erosion and thermal related…

The Ion Propulsion System for the Asteroid Redirect Robotic Mission

Abstract: The Asteroid Redirect Robotic Mission is a Solar Electric Propulsion Technology Demonstration Mission (ARRM) whose…

Numerical Evaluation of an Ejector-Enhanced Resonant Pulse Combustor with a Poppet Inlet Valve and a Converging Exhaust Nozzle

Abstract: A computational investigation of a pressure-gain combustor system for gas turbine applications is presented. The…

NASA HERMeS Hall Thruster Electrical Configuration Characterization

Abstract: The NASA Hall Effect Rocket with Magnetic Shielding (HERMeS) 12.5 kW Technology Demonstration Unit-1 (TDU-1)…

Carbon Back Sputter Modeling for Hall Thruster Testing

Abstract: Lifetime requirements for electric propulsion devices, including Hall Effect thrusters, are continually increasing, driven in…

Post-Test Inspection of NASA’s Evolutionary Xenon Thruster Long-Duration Test Hardware: Discharge Chamber

Abstract: The NEXT Long-Duration Test is part of a comprehensive thruster service life assessment intended to…