A. L. Ortega

发表

Algebraic Flux Correction and Geometric Conservation in ALE Computations

Guglielmo Scovazzi, Alejandro Lopez Ortega, G. Scovazzi, 2012 .

Wear Test Demonstration of a Technique to Mitigate Keeper Erosion in a High-Current LaB 6 Hollow Cathode

I. Mikellides, D. Goebel, B. Jorns, 2016 .

A New Cell-Centered Implicit Numerical Scheme for Ions in the 2-D Axisymmetric Code Hall2de

I. Mikellides, A. L. Ortega, 2014 .

Assessment of Pole Erosion in a Magnetically Shielded Hall Thruster

I. Mikellides, A. L. Ortega, 2014 .

Hall2De simulations with a first-principles electron transport model based on the electron cyclotron drift instability

I. Mikellides, I. Katz, B. Jorns, 2016 .

Growth and saturation of ion acoustic waves in Hall thrusters

I. Mikellides, I. Katz, B. Jorns, 2016 .

The importance of the cathode plume and its interactions with the ion beam in numerical simulations of Hall thrusters

I. Mikellides, A. L. Ortega, 2016 .

Facility pressure effects on a Hall thruster with an external cathode: I. Numerical simulations

I. Mikellides, A. L. Ortega, V. Chaplin, 2020, Plasma Sources Science and Technology.

Facility pressure effects on a Hall thruster with an external cathode, II: theoretical model of the thrust and the significance of azimuthal asymmetries in the cathode plasma

I. Mikellides, A. L. Ortega, V. Chaplin, 2020, Plasma Sources Science and Technology.

Simulation of a Hall Effect Thruster Using Krypton Propellant

I. Boyd, H. Kamhawi, A. L. Ortega, 2020 .

Electric Propulsion for the Psyche Mission

I. Mikellides, D. Goebel, A. L. Ortega, 2019 .

Mechanism Behind the Dependence of Thrust on Facility Backpressure and Implications on the Operation of the SPT-140 Onboard the Psyche Mission

I. Mikellides, A. L. Ortega, V. Chaplin, 2019 .

Richtmyer-Meshkov instability for elastic-plastic solids in converging geometries

D. I. Pullin, D. I. Meiron, A. López Ortega, 2015 .

Spatiotemporally Resolved Ion Velocity Distribution Measurements in the 12.5 kW HERMeS Hall Thruster

I. Mikellides, R. Hofer, A. L. Ortega, 2018 .

Laser-Induced Fluorescence Measurements of the Acceleration Zone in the 12 . 5 kW

I. Mikellides, R. Hofer, B. Jorns, 2017 .

Numerical Simulations of the XR-5 Hall Thruster for Life Assessment at Different Operating Conditions

I. Mikellides, R. Hofer, B. Jorns, 2015 .

Anomalous Ion Heating and Pole Erosion in the 12.5-kW Hall Effect Rocket with Magnetic Shielding (HERMeS)

Jason D. Frieman, I. Mikellides, A. L. Ortega, 2020, AIAA Propulsion and Energy 2020 Forum.

Numerical Simulations of the H 6 US and H 6 MS Thruster Configurations

I. Mikellides, A. L. Ortega, 2016 .

De Simulations of a 12 . 5-kW Magnetically Shielded Hall Thruster for the NASA Solar Electric Propulsion Technology Demonstration Mission IEPC-2015-254

I. Mikellides, J. Polk, H. Kamhawi, 2015 .

Hollow Cathode Simulations with a First-Principles Model of Ion-Acoustic Anomalous Resistivity

I. Mikellides, B. Jorns, A. L. Ortega, 2018, Journal of Propulsion and Power.

The Dispersion of the Modified Two-Stream and Lower Hybrid Drift Instabilities in the Near-pole Plume of a Magnetically Shielded Hall Thruster

I. Mikellides, A. L. Ortega, 2021, AIAA Propulsion and Energy 2021 Forum.

Growth of the modified two-stream instability in the plume of a magnetically shielded Hall thruster

I. Mikellides, A. L. Ortega, 2020 .

Cross-field Streaming Instabilities in the Lower Hybrid Frequency Near the Inner Pole Region of a Hall Thruster

I. Mikellides, A. L. Ortega, 2020, AIAA Propulsion and Energy 2020 Forum.

Facility Effect Characterization Test of NASA's HERMeS Hall Thruster

Hani Kamhawi, Ioannis G. Mikellides, Wensheng Huang, 2016 .

Self-consistent implementation of a zero-equation transport model into a predictive model for a Hall effect thruster

I. Mikellides, B. Jorns, A. L. Ortega, 2021, AIAA Propulsion and Energy 2021 Forum.

Numerical simulation of elastic-plastic solid mechanics using an Eulerian stretch tensor approach and HLLD Riemann solver

D. I. Pullin, A. López Ortega, M. Lombardini, 2014, J. Comput. Phys..

The hitchhiker’s guide to the outer solar system

G. Lantoine, P. Backes, M. Ono, 2015 .

The Hitchhiker’s Guide to the Solar System: A Tethered Orbit Insertion and Landing Concept for Small Body Exploration

Marco B. Quadrelli, Masahiro Ono, David Jewitt, 2015 .

Hall2De Simulations of a Magnetic Nozzle

I. Mikellides, B. Jorns, A. L. Ortega, 2020, AIAA Propulsion and Energy 2020 Forum.

Spot-to-plume Mode Transition Investigations in the HERMeS Hollow Cathode Discharge Using Coupled 2-D Axisymmetric Plasma-Thermal Simulations

I. Mikellides, J. Polk, A. L. Ortega, 2018, 2018 Joint Propulsion Conference.

Mechanisms for pole piece erosion in a 6-kW magnetically-shielded Hall thruster

Dan M. Goebel, Ioannis G. Mikellides, Richard R. Hofer, 2016 .

First-principles Modelling of the IAT-driven Anomalous Resistivity in Hollow Cathode Discharges I: Theory

Ioannis G. Mikellides, Benjamin A. Jorns, Alejandro Lopez Ortega, 2016 .

First-Principles Modeling of IAT-Driven Anomalous Resistivity in Hollow Cathode Discharges II: Numerical Simulations and Comparisons with Experiments

Ioannis G. Mikellides, Benjamin A. Jorns, Alejandro Lopez Ortega, 2016 .

Electric Propulsion for the Psyche Mission: Development Activities and Status

I. Mikellides, D. Goebel, R. Hofer, 2020, AIAA Propulsion and Energy 2020 Forum.

Correction: Investigations of Pole Erosion Mechanisms in the 12.5 kW HERMeS Hall Thruster with the Hall2De Code

I. Mikellides, A. L. Ortega, 2018, 2018 Joint Propulsion Conference.

Application of a first-principles anomalous transport model for electrons to multiple Hall thrusters and operating conditions

I. Katz, A. L. Ortega, A. Lopez Ortega, 2018, 2018 Joint Propulsion Conference.

Numerical Studies of Hall Thruster Acceleration Region Electron Transport

I. Katz, A. L. Ortega, A. Lopez Ortega, 2018, 2018 Joint Propulsion Conference.

Inner Front Pole Cover Erosion in the 12.5 kW HERMeS Hall Thruster Over a Range of Operating Conditions

James E. Polk, Ioannis G. Mikellides, Robert B. Lobbia, 2017 .

Simulation of a hall effect thruster with krypton propellant

I. Boyd, A. L. Ortega, Horatiu C. Dragnea, 2017 .

Development Status of the 12 . 5 kW Hall Effect Rocket with Magnetic Shielding ( HERMeS ) IEPC-2017-231

Hani Kamhawi, Wensheng Huang, James Polk, 2017 .

A First-Principles Model Based on Saturation of the Electron Cyclotron Drift Instability for Electron Transport in Hydrodynamics Simulations of Hall Thruster Plasmas IEPC-2017-178

I. Katz, A. L. Ortega, V. Chaplin, 2017 .

Numerical Simulations for the Assessment of Erosion in the 12 . 5-kW Hall Effect Rocket with Magnetic Shielding ( HERMeS ) IEPC-2017-154

I. Mikellides, A. L. Ortega, V. Chaplin, 2017 .

[Complications of the management of secondary peritonitis with contained-open abdomen. Comparison of the Bogota's bag vs polypropylene mesh].

A. L. Ortega, A. Ojeda, C. F. Orozco, 2004, Revista de gastroenterologia de Mexico.

Incorporating Lessons Learned into LISA Colloid Microthruster Technology Development

Colleen Marrese-Reading, John Ziemer, Nathaniel Demmons, 2019, AIAA Propulsion and Energy 2019 Forum.

A geometrically-conservative, synchronized, flux-corrected remap for arbitrary Lagrangian-Eulerian computations with nodal finite elements

Guglielmo Scovazzi, A. López Ortega, G. Scovazzi, 2011, J. Comput. Phys..

Work function reduction in lanthanum hexaboride hollow cathodes operated in gas discharges

J. Polk, A. L. Ortega, P. Guerrero, 2017 .

Converging shocks in elastic-plastic solids.

A. L. Ortega, D. J. Hill, M. Lombardini, 2011, Physical review. E, Statistical, nonlinear, and soft matter physics.

Long-Duration Wear Testing of the ASTRAEUS Thruster, Phase II: 20 kg Xe Throughput at 500 V - 1000 W

D. Goebel, S. Arestie, A. L. Ortega, 2021, AIAA Propulsion and Energy 2021 Forum.