Nuclear and Emerging Technologies for Space (NETS-2022)

Full Issue

Power Generation on the Moon for Future In-Situ Resource Utilization

Diana Nikitaeva (Univ. Alabama, Huntsville), L. Dale Thomas (Univ. Alabama, Huntsville)

Cost Projections and Economic Analysis of Lunar Surface Electrical Power

Elliot Carol (Lunar Resources), Alex Ignatiev (Lunar Resources), Peter Curreri (Lunar Resources), Sumontro Sinha (Lunar Resources)

Modular Open Systems Approach (MOSA) for a Robust Commercial Lunar Ecosystem

Mathew DeMinico (NASA Glenn Research Center), James P. Mastandrea (Johns Hopkins APL), Wesley T. Fuhrman (Johns Hopkins APL)

Powering the Moon: From Artemis Technology Demonstrations to a Lunar Economy

Jeffrey Csank (NASA Glenn Research Center), George L. Thomas (NASA Glenn Research Center), Matthew Granger (NASA Glenn Research Center), Brent Gardner (NASA Glenn Research Center)

Use of a Dynamic Radioisotope Power Source for a Long Duration Lunar Science Rover

Steven Oleson (NASA Glenn Research Center), Elizabeth Turnbull (NASA Glenn Research Center), Paul Schmitz (Power Computing Solutions), Kirby Runyon (Johns Hopkins APL), Anthony Colozza (HX5), Thomas Packard (HX5), John Gyekenyesi (HX5), Brandon Klefman (NASA Glenn Research Center), Brent Faller (NASA Glenn Research Center), Natalie Weckesser (NASA Glenn Research Center), Onoufrios Theofylaktos (NASA Glenn Research Center), Christine Schmid (NASA Glenn Research Center), Christopher Heldman (NASA Glenn Research Center), James Fittje (Science Applications International Corp.), Ben Bussey (Johns Hopkins APL), Paul Ostdiek (Johns Hopkins APL), Cassandra Chang (NASA Glenn Research Center)

MSL MMRTG Power Modeling for Lifetime Performance Predictions

Brian Phan (Jet Propulsion Laboratory), Eric Wood (Jet Propulsion Laboratory), Jennifer Herman (Jet Propulsion Laboratory), Jagdish Patel (Jet Propulsion Laboratory), Thierry Caillat (Jet Propulsion Laboratory), Stanley Pinkowski (Jet Propulsion Laboratory)

The European Radioisotope Power Systems Program: Recent Updates and Synergies

Richard M. Ambrosi (Univ. Leicester), Alessandra Barco (Univ. Leicester), Ramy Mesalam (Univ. Leicester), Emily Jane Watkinson (Univ. Leicester), Chris Bicknell (Univ. Leicester), Tony Crawford (Univ. Leicester), Keith Stephenson (European Space Agency), Hugo Williams (Univ. Leicester), Piyal Samara-Ratna (Univ. Leicester), Jesse Stuck (Univ. Leicester), Craig Hiley (Univ. Leicester), Kevin Simpson (European Thermodynamics), Richard Tuley (European Thermodynamics), Marie-Claire Perkinson (Airbus), Tim Tinsley (National Nuclear Laboratory), Mark Sarsfield (National Nuclear Laboratory), Jacob White (National Nuclear Laboratory), Daniel Freis (European Commission), Jean-François Vigier (European Commission), Rudy J. M. Konings (European Commission), Jean-Luc Dumont (ArianeGroup), Antoine Villefumade (ArianeGroup), Cédric Lemarié (ArianeGroup), Christophe Fongarland (ArianeGroup), Simon Middleburgh (Bangor Univ.), Gary Jones (Rolls-Royce)

Thermoradiative Arrays: A New Technology for Conversion of Heat into Electrical Power

Geoffrey A. Landis (NASA Glenn Research Center)

JTEC: The Johnson Thermo-Electrochemical Convertor for Heat-to-Electric Conversion

Adrian A. Podpirka (Johns Hopkins APL), Tobias D. Dilworth (Johns Hopkins APL), Tedric Campbell (JTEC Energy), Jonathan P. Jones (Johns Hopkins APL), Phillip I. Johnson (Johns Hopkins APL), Yifan Yuan (Purdue), Sandip Mondal (Purdue), Shriram Ramanathan (Purdue), Timothy F. Miller (TFM Technical), David Johnson (JTEC Energy), Michael McQuary (JTEC Energy), Lonnie G. Johnson (JTEC Energy), Paul Ostdiek (Johns Hopkins APL), Rengaswamy Srinivasan (Johns Hopkins APL)

GPHS Heritage-Like SiGe Unicouple Development with SiGe and SiMo Materials Prepared by Spark Plasma Sintering

Rama Venkatasubramanian (Johns Hopkins APL), Jonathan Pierce (Johns Hopkins APL), Richard Ung (Johns Hopkins APL), Jake Ballard (Johns Hopkins APL), Priestly Shuler (Johns Hopkins APL), Joseph Poon (Univ. Virginia), Mousumi Mitra (Univ. Virginia), Scott Misture (Alfred Univ.), Tim Erickson (Johns Hopkins APL), Paul Ostdiek (Johns Hopkins APL)

INL Operations Improvements of Nuclear Enabled Missions for NASA

Eric Clarke (INL), Stephen Johnson (INL)

Perspectives on Demonstration and Qualifications Plans for Human-Rated NTP Systems

Ethan Chaleff (USNC-Tech), Doug Greisen (USNC-Tech), Michael Eades (USNC-Tech), Vishal Patel (USNC-Tech), Morgan Gulliver (USCN-Tech)

Flight Model of a Small ETG for the Low Earth Orbit Test

Jintae Hong (KAERI), Wanook Ji (KAERI), Jong-Bum Kim (KAERI), Kwang-Jae Son (KAERI), Jin-Joo Kim (KAERI)

Design of a Dynamic Radioisotope Power System Generator Testbed

Ernestina Wozniak (NASA Glenn Research Center), Salvatore Oriti (NASA Glenn Research Center), Rebecca Buehrle (NASA Glenn Research Center), Ronald Leibach (NASA Glenn Research Center), Max Yang (NASA Glenn Research Center), Matthew Stang (NASA Glenn Research Center), Paul Raitano (NASA Glenn Research Center)

Fabrication and Performance Testing of SiGe Unicouples with Cassini RTG Production Line Materials

Ike S. Chi (Jet Propulsion Laboratory), Billy C.-Y. Li (Jet Propulsion Laboratory), Kevin L. Smith (Jet Propulsion Laboratory), Sutinee Sujittosakul (Jet Propulsion Laboratory), Araseli Cortez (Jet Propulsion Laboratory), Brian Phan (Jet Propulsion Laboratory), Chen-Kuo Huang (Jet Propulsion Laboratory), Pawan Gogna (Jet Propulsion Laboratory), Gregory Gerig (Jet Propulsion Laboratory), George Nakatsukasa (Jet Propulsion Laboratory), Vilupanur Ravi (Jet Propulsion Laboratory), Bill Nesmith (Jet Propulsion Laboratory), Jean-Pierre Fleurial (Jet Propulsion Laboratory)

NERVA's "Keep It Simple" System-Level Reliability Model

Samantha B. Rawlins (Univ. Alabama, Huntsville), L. Dale Thomas (Univ. Alabama, Huntsville)

Development of Integrated NTP Mission Model for Planetary Science Missions

Saroj Kumar (Univ. Alabama, Huntsville), L. Dale Thomas (Univ. Alabama, Huntsville), Jason T. Cassibry (Univ. Alabama, Huntsville)

Nuclear Thermal Propulsion Turbomachinery Modeling

Dennis Nikitaev (Analytical Mechanics Assoc.), Corey D. Smith (Analytical Mechanics Assoc.), Kelsa Palomares (Analytical Mechanics Assoc.)

Preliminary Feasibility Study of Electric Pump Fed Nuclear Thermal Propulsion

Alexander Aueron (Univ. Alabama, Huntsville), L. Dale Thomas (Univ. Alabama, Huntsville)

Extension of the pyIsoDep Code for Thermal Hydraulic Dependent Decay Heat and Depletion Analysis of Nuclear Thermal Propulsion Reactors

Matt Krecicki (Georgia Tech), Dan Kotlyar (Georgia Tech)

Assessing the Needs for Space Reactor Standards

Andrew Klein (Oregon State), Allen Camp (Consultant), Lee Mason (NASA Glenn Research Center), Karl Garman (FAA Office of Commercial Space Transportation)

NASA Nuclear Flight Safety -- New Protocols for Safety and Mission Assurance

Donald Helton (NASA), Matt Forsbacka (NASA)

A Technical Interpretation of the SPD6 Radioactivity Limited "Sufficiently High" Disposition Orbit Lifetime for a Space Fission Reactor

Andrea Alfonsi (USNC-Tech), Michael Eades (USNC-Tech)

Summary of the Nuclear Risk Assessment 2019 Update for the Mars 2020 Mission Environmental Impact Statement

Daniel J. Clayton (Sandia)

Launch Approval Process for DOD Space Nuclear Power and Propulsion Systems

Susan S. Voss (DARPA/TTO SETA)

The Hypatia Experiment Thermal Simulation

Mikaela Blood (LANL), Holly Tellue (LANL), Theresa Cutler (LANL)

Neutronics and Heat-Transfer Analysis of a Compact kW-Class Moderated Spectrum Reactor

Vedant K. Mehta (LANL), Aditya P. Shivprasad (LANL), Dasari V. Rao (LANL)

The Transition of KRUSTY to a 50-kWe Kilopower System

David Poston (Space Nuclear Power Corp.), Marc Gibson (Space Nuclear Power Corp.), Patrick McClure (Space Nuclear Power Corp.)

Hydrogen Loss from Clad Metal Hydride Moderators

A.P. Shivprasad (LANL), Erik Luther (LANL), D. V. Rao (LANL)

Space Nuclear Power Technologies for Robotic and Human Missions

Anthony Calomino (NASA Space Technology Mission Directorate), Lindsey Holmes (Analytical Mechanics Assoc.), Samantha Austin (Analytical Mechanics Assoc.)

UK Progress on Nuclear Space Power Systems

Jacob White (National Nuclear Laboratory), Tim Tinsley (National Nuclear Laboratory), Daniel Thatcher (Rolls-Royce Submarines), Oliver Ward (Rolls-Royce Submarines), Gary Jones (Rolls-Royce Submarines)

Nuclear Propulsion and Trajectory Trades for a Mars Transit System

Christine M. Edwards (Lockheed Martin Space), Timothy Cichan (Lockheed Martin Space), Lisa May (Lockheed Martin Space)

Reactor and Coolant System Technology Maturation Strategy for Nuclear Electric Propulsion Applications

Dasari V. Rao (LANL), Kelsa Palomares (Analytical Mechanics Assoc.), Roger Myers (NASA Marshall Space Flight Center), Frank Curran (NASA Marshall Space Flight Center), Kurt Polzin (NASA), Adam Martin (NASA)

Evolution of Kilopower Reactors from Kilowatts to Megawatts

David Poston (Space Nuclear Power Corp.), Marc Gibson (Space Nuclear Power Corp.), Patrick McClure (Space Nuclear Power Corp.)

1.9MWe Nuclear Electric Propulsion-Chemical Propulsion Piloted Mars Opposition Vehicle

Steven Oleson (NASA Glenn Research Center), Elizabeth Turnbull (NASA Glenn Research Center), Laura Burke (NASA Glenn Research Center), Thomas Packard (HX5), Lee Mason (NASA Glenn Research Center), James Fittje (Science Applications International Corp.), Anthony Colozza (HX5), Paul Schmitz (Power Computing Solutions), Steven McCarty (NASA Glenn Research Center), John Yim (NASA Glenn Research Center), Brandon Klefman (NASA Glenn Research Center), John Gyekenyesi (HX5), Brent Faller (NASA Glenn Research Center), David Smith (HX5), Lucia Tian (NASA Glenn Research Center), Caroline Austin (NASA Glenn Research Center), W. Peter Simon (NASA Glenn Research Center), Christopher Heldman (NASA Glenn Research Center), Onoufrios Theofylaktos (NASA Glenn Research Center), Christine Schmid (NASA Glenn Research Center), Thomas Parkey (NASA Glenn Research Center), Natalie Weckesser (NASA Glenn Research Center)

Subscale NTP Engines for Human Mars Missions

Christopher B. Reynolds (Aerojet Rocketdyne), C. Russell Joyner II (Aerojet Rocketdyne), Timothy Kokan (Aerojet Rocketdyne), Daniel J.H. Levack (Aerojet Rocketdyne)

Combined Nuclear Electric and Chemical Propulsion for Crewed Mars Opposition Missions

Laura Burke (NASA Glenn Research Center), Steven Oleson (NASA Glenn Research Center), David Smith (HX5)

A Dynamic Radioisotope Power System for a Pressurized Lunar/Mars Rover

Steve Oleson (NASA Glenn Research Center), Paul Schmitz (Power Computing Solutions), Michael B. Smith (ORNL), Tony Colozza (HX5), Lucia Tian (NASA Glenn Research Center), Brandon Klefman (NASA Glenn Research Center), Steven Korn (NASA Glenn Research Center), Max Chaiken (NASA Glenn Research Center), Tom Packard (HX5), Jim Fittje (Science Applications International Corp.), John Gyekenyesi (HX5), Elizabeth Turnbull (NASA Glenn Research Center)

Mass Modeling of NEP Power Conversion Concepts for Human Mars Exploration

William Machemer (Analytical Mechanics Assoc.), Matthew Duchek (Analytical Mechanics Assoc.), Christopher Harnack (Analytical Mechanics Assoc.), Emanuel Grella (Analytical Mechanics Assoc.), Dennis Nikitaev (Analytical Mechanics Assoc.), Corey D. Smith (Analytical Mechanics Assoc.)

High Power Electric Propulsion Thruster Trades for a Nuclear Electric Propulsion-Based Human Mars Mission

Timothy Kokan (Aerojet Rocketdyne), C. Russell Joyner II (Aerojet Rocketdyne), Daniel J.H. Levack (Aerojet Rocketdyne), Dennis E. Morris (Aerojet Rocketdyne), Brian J. Muzek (Aerojet Rocketdyne), Rodney W. Noble (Aerojet Rocketdyne), Samuel Rapoport (Aerojet Rocketdyne), Christopher B. Reynolds (Aerojet Rocketdyne), Jakob Trescott (Aerojet Rocketdyne)

Conceptual Design of a Rotary Space Reactor with Naturally Circulating Water Driven by Centrifugal Force

Keigo Hasegawa (Tokyo City Univ.), Kazumasa Taneda (Tokyo City Univ.), Rikio Watanabe (Tokyo City Univ.), Naoyuki Takaki (Tokyo City Univ.)

Nuclear Electric Propulsion Brayton Power Conversion Working Fluid Considerations

Rodger Dyson (NASA Glenn Research Center), D. V. Rao (LANL), Matthew Duchek (Analytical Mechanics Assoc.), Christopher Harnack (Analytical Mechanics Assoc.), Robert Scheidegger (NASA Glenn Research Center), Lee Mason (NASA), Al Juhasz (NASA Glenn Research Center), Luis Rodriguez (NASA Glenn Research Center), Ronald Leibach (NASA Glenn Research Center), Steven Geng (NASA Glenn Research Center), Daniel Goodell (NASA Glenn Research Center)

Genetic Optimization of a Conversion System Based on a Rankine Cycle and its Heat Sink for a 1 MWe Space Nuclear Reactor

Carlos-Jesús Romero-Casado (CEA), Nicolas Rey-Tornero (CEA), Guillaume Campioni (CEA), Yannick Gorsse (CEA), Daniel Heuer (Centre National de la Recherche Scientifique), Nicolas Jonqueres (CEA), Sébastien Le Martelot (CNES)

Neutronics Modeling of a High-Performance Gas Core Nuclear Rocket System

Rittu S. Raju (Univ. Michigan), John E. Foster (Univ. Michigan)

Baseline Configuration Analysis for Centrifugal Nuclear Thermal Rocket Engine

Mitchell Schroll (Univ. Alabama, Hunstville), Jacob Keese (Univ. Alabama, Huntsville), Robert Frederick (Univ. Alabama, Huntsville), L. Dale Thomas (Univ. Alabama, Huntsville)

Initial Experiment Designs Studying Gas Bubble Flows in Liquids for use in Centrifugal Nuclear Thermal Propulsion

Ben Campbell (Univ. Alabama, Huntsville), Mitchell Schroll (Univ. Alabama, Huntsville), James Venters (Univ. Alabama, Huntsville), Robert Frederick (Univ. Alabama, Huntsville), L. Dale Thomas (Univ. Alabama, Huntsville), David Lineberry (Univ. Alabama, Huntsville)

One-Dimensional Steady-State Thermal Model of CNTP Reactor

Jacob Keese (Univ. Alabama, Huntsville), D. Keith Hollingsworth (Univ. Alabama, Huntsville)

Three Dimensional Simulations of Bubble Dynamics in Centrifugal Nuclear Thermal Propulsion

Pongkrit Darakorn Na Ayuthya (Univ. Alabama, Huntsville), Jason Cassibry (Univ. Alabama, Huntsville)

Considerations for Nuclear Thermal Propulsion Reactor Technology Readiness Level Advancement

Kelsa Palomares (Analytical Mechanics Assoc.), James Werner (Walsh Engineering Services), Michael Todosow (Brookhaven ), Katey Lenox (INL)

Space Nuclear Propulsion Technologies for Human and Robotic Missions

Anthony Calomino (NASA Space Technology Mission Directorate), Lindsey Holmes (Analytical Mechanics Assoc.), Samantha Austin (Analytical Mechanics Assoc.)

HALEU NTP Update -- Subscale Prototype and Full Scale Designs

C. Russell Joyner II (Aerojet Rocketdyne), Tyler Jennings (Aerojet Rocketdyne), Timothy Kokan (Aerojet Rocketdyne), Daniel J.H. Levack (Aerojet Rocketdyne), Christopher (Britton) Reynolds (Aerojet Rocketdyne)

Nuclear Thermal Propulsion (NTP) Fission Product and Source Term Analysis

Reed Herner (Analytical Mechanics Assoc.), Kelsa Palomares (Analytical Mechanics Assoc.), Adam Boylston (Analytical Mechanics Assoc.), Lindsey Holmes (Analytical Mechanics Assoc.)

Draft General Design Criteria for the DRACO Thermal Nuclear Rocket -- Launch Safety Activities

Patrick McClure (Space Nuclear Power Corp.), Susan Voss (Global Nuclear Network Analysis), Tabitha Dodson (Defense Advanced Projects Agency), Nathan Greiner (Defense Advanced Projects Agency)

Progress on an Alternative Solvent Extraction Flowsheet for Separating Plutonium from Neptunium

Catherine Campbell (National Nuclear Laboratory), Michael J. Carrott (National Nuclear Laboratory), Chris J. Maher (National Nuclear Laboratory), Chris Mason (National Nuclear Laboratory), Rebecca Sanderson (National Nuclear Laboratory), Mark J. Sarsfield (National Nuclear Laboratory), Robin J. Taylor (National Nuclear Laboratory), Tim Tinsley (National Nuclear Laboratory), Dave Woodhead (National Nuclear Laboratory), Dan Whittaker (National Nuclear Laboratory)

Pu-238 Production Calculator and Estimation Tool in the Advanced Test Reactor

Demi Weaver (Angelo State Univ.), Andrew Zillmer (INL)

Progress on Pu-238 Production at Idaho National Laboratory From March 2021 to February 2022

Andrew Zillmer (INL), William Green (INL), Craig Tyler (INL), Justin Lower (INL), Jill Mitchell (INL), Brittany Grayson (INL), Erik Rosvall (INL), Austen Fradeneck (INL), Joshua Fishler (INL), David Reeder (INL), Ryan Marlow (INL), Mark Hill (INL), Paul O'Donnell (INL), Joshua Peterson-Droogh (INL), Richard Howard (INL)

Neutronic Safety Analysis of Pu-238 Production at Idaho National Laboratory

Jill Mitchell (INL), Brittany Grayson (INL), Joshua Peterson-Droogh (INL)

Optimisation of the Americium and Plutonium Purification by Extraction (AMPPEX) Process Flowsheet

Rebecca Sanderson (National Nuclear Laboratory), Mark Sarsfield (National Nuclear Laboratory), Chris Maher (National Nuclear Laboratory), Michael Carrott (National Nuclear Laboratory), Dan Whittaker (National Nuclear Laboratory), Billy Keywood (National Nuclear Laboratory), Chris Mason (National Nuclear Laboratory), Kerry Jackson (National Nuclear Laboratory), Chloe Edmondson (National Nuclear Laboratory), Catherine Needham (National Nuclear Laboratory), Joshua Holt (National Nuclear Laboratory), Jason Borwick (National Nuclear Laboratory), Keith Stephenson (European Space Agency)

Design and Development of the ESA Radioisotope Thermoelectric Generator

Ramy Mesalam (Univ. Leicester), Richard Ambrosi (Univ. Leicester), Alessandra Barco (Univ. Leicester), Emily Jane Watkinson (Univ. Leicester), Hugo Williams (Univ. Leicester), Tony Crawford (Univ. Leicester), Christopher Bicknell (Univ. Leicester), Keith Stephenson (European Space Agency)

Sunpower Robust Stirling Converter (SRSC) Phase III Overview

John Stanley (Sunpower), Josh Collins (Sunpower), Gary Wood (Sunpower)

Turbo-Brayton Converter for Radioisotope Power Systems

Jeffrey J. Breedlove (Creare), Thomas M. Conboy (Creare), Mark V. Zagarola (Creare)

Maturation of Dynamic Power Convertors for RPS Robotic Space Exploration

Scott Wilson (NASA Glenn Research Center), Nicholas Schifer (NASA Glenn Research Center), Daniel Goodell (NASA Glenn Research Center)

Comparative Analysis of Thermal Conversion Technologies for Deep Space Missions

Parisa M. Mirdamadi (Universities Space Research Foundation), Sabah K. Bux (Jet Propulsion Laboratory), Laura J. Evans (NASA Glenn Research Center)

Scaling Comparison of NEP vs. SEP for Cislunar Space

Marc A. Gibson (Space Nuclear Power Corp.), David I. Poston (Space Nuclear Power Corp.), Patrick McClure (Space Nuclear Power Corp.)

A Small Radioisotope Thermoelectric Generator for Operation on Venus: A Feasibility Study

Michael J. Durka (Jet Propulsion Laboratory), Eric Poliquin (Jet Propulsion Laboratory), Jong-Ah Paik (Jet Propulsion Laboratory), Vladimir Jovovic (Jet Propulsion Laboratory), Jean-Pierre Fleurial (Jet Propulsion Laboratory)

Planetary Science Decadal Survey: Planetary Mission Concepts Utilizing Radioisotope Power Systems

Young Lee (Jet Propulsion Laboratory), Brian Bairstow (Jet Propulsion Laboratory), Benji Donitz (Jet Propulsion Laboratory), Jim Kinnison (Johns Hopkins APL), Anthony Nicoletti (NASA Goddard Space Flight Center)

A Comparison of Alternative Space Nuclear Power Conversion Technologies

Bryant Hawkes (Aerospace Corp.), W. Randy Bell (Aerospace Corp.)

Molten Salt Lattice Confinement Fusion (LCF) Fast Fission Reactor for Lunar and Planetary Surface Power

Lawrence Forsley (Global Energy Corp.), Theresa Benyo (NASA Glenn Research Center), Pamela Mosier-Boss (Global Energy Corp.), Leonard Dudzinski (NASA Headquarters), Mathew Deminico (NASA Glenn Research Center)

Qualification of a New Surface Profilometer for Radioisotope Power Systems Special Component Manufacturing and Testing Program

Rex Veach, Jr. (ORNL), Glenn Romanoski (ORNL), George Ulrich (ORNL), Brian Friske (Y-12 National Security Complex), Dean Freeman (ORNL)

Safety Studies for the ESA Radioisotope Power Systems

Alessandra Barco (Univ. Leicester), Richard M. Ambrosi (Univ. Leicester), Jean-Luc Dumont (ArianeGroup), Yann Guguin (ArianeGroup), Pierre Brunet (ArianeGroup), Keith Stephenson (ESA/ESTEC TEC-EP)

Radiation Damage from Multi-Mission Radioisotope Thermoelectric Generator (MMRTG) Neutrons in the Dragonfly Gamma-Ray and Neutron Spectrometer (DraGNS)

Z. W. Yokley (Johns Hopkins APL), N.R. Hines (LLNL), M.T. Burks (LLNL), P.N. Peplowski (Johns Hopkins APL), D.J. Lawrence (Johns Hopkins APL), J.T. Wilson (Johns Hopkins APL), C.W. Parker (Johns Hopkins APL), J.O. Goldsten (Johns Hopkins APL)

Nonproliferation Opportunities for Using HALEU in Space Nuclear Reactors

Thomas Gray (PNNL), Thomas Harrison (PNNL), Kathleen Doty (PNNL), Brittany N. Robertson (PNNL)

Microsphere 238PuO2 for Small Modular Radioisotope Power Systems

Jeffrey A. Katalenich (PNNL), Bradley R. Johnson (ORNL)

Radioisotope Powered Melting Probe for Europa Exploration

Calin Tarau (Advanced Cooling Technologies), Kuan-Lin Lee (Advanced Cooling Technologies), Krishna Chetty (Advanced Cooling Technologies), Andy Lutz (Advanced Cooling Technologies), Srujan Rokkam (Advanced Cooling Technologies)

Update on Performance of MMRTG F1 on Curiosity

Christofer E. Whiting (Univ. Dayton)

Radioisotope Power Systems and Their Potential Benefits to Planetary Protection

Michael B.R. Smith (ORNL), Lawrence H. Heilbronn (Univ. Tennessee, Knoxville), Harrison L. Line (Univ. Tennessee, Knoxville), Noel A. Nelson (ORNL), Douglas E. Peplow (ORNL), Mathew W. Swinney (ORNL)

Start-Up and Load-Following Analysis of a kW-Class Hydride-Moderated Reactor

Vedant K. Mehta (LANL), Dasari V. Rao (LANL)

Rolls-Royce Space Reactor Roadmap

Daniel Thatcher (Rolls-Royce), Oliver Ward (Rolls-Royce), Gary Jones (Rolls-Royce)

Canadian Capabilities Related to Space Nuclear Power Systems

Brent Wilhelm (Natural Resources Canada), Rinat Rashapov (Canadian Space Agency), Ali Siddiqui (Canadian Nuclear Laboratories), William Mackey (Canadian Space Agency), Micah Melnyk (Natural Resources Canada), Antoine de la Chevrotière (Natural Resources Canada), Daniel Brady (Natural Resources Canada)

Integration of Radiation Tolerance and Component Reliability into Space Nuclear Systems

Scott Mahar (General Atomics), Christopher Nicklaw (General Atomics)

An Update on the Development of the Skutterudite-Based Thermoelectric Technology for Integration into a Potential Enhanced Multi-Mission Radioisotope Thermoelectric Generator (eMMRTG)

T. Caillat (Jet Propulsion Laboratory), S. Pinkowski (Jet Propulsion Laboratory), I. Chi (Jet Propulsion Laboratory), J. Paik (Jet Propulsion Laboratory), B. Phan (Jet Propulsion Laboratory), T. Holgate (Teledyne Energy Systems), Y. Song (Teledyne Energy Systems), J. VanderVeer (Teledyne Energy Systems), R. Bennett (Teledyne Energy Systems), S. Keyser (Teledyne Energy Systems), Andrew Lane (Aerojet Rocketdyne), K. Wefers (Aerojet Rocketdyne), P. Frye (Aerojet Rocketdyne)

Path to Skutterudite Based Multi-Mission Radioisotope Thermoelectric Generator Flight Qualification Unit

A. Lane (Aerojet Rocketdyne), W. Otting (Aerojet Rocketdyne), K. Wefers (Aerojet Rocketdyne), P. Frye (Aerojet Rocketdyne), J. VanderVeer (Teledyne Energy Systems), R. Bennett (Teledyne Energy Systems), S. Keyser (Teledyne Energy Systems), S. Pinkowski (Jet Propulsion Laboratory), T. Caillat (Jet Propulsion Laboratory)

Thermal Shock Testing of Surrogate Fuel Materials for Nuclear Thermal Propulsion

Neal D. Gaffin (Univ. Tennessee, Knoxville), Cean Ang (Univ. Tennessee, Knoxville), Timothy Ironman (Univ. Tennessee, Knoxville), Steven J. Zinkle (Univ. Tennessee, Knoxville)

Updates on European Americium Uranium Oxide Fuel and Clad Compatibility Tests for European Radioisotope Power Systems

E.J. Watkinson (Univ. Leicester), B. Cremer (European Commission Joint Research Centre Karlsruhe), P. Lajarge (European Commission Joint Research Centre Karlsruhe), S. Gardeur (European Commission Joint Research Centre Karlsruhe), J.-F. Vigier (European Commission Joint Research Centre Karlsruhe), C. Berkmann (European Commission Joint Research Centre Karlsruhe), M. Ernstberger (European Commission Joint Research Centre Karlsruhe), T. Wiss (European Commission Joint Research Centre Karlsruhe), D. Freis (European Commission Joint Research Centre Karlsruhe), T. Crawford (Univ. Leicester), S. Pfirrmann (European Commission Joint Research Centre Karlsruhe), R. Ambrosi (European Commission Joint Research Centre Karlsruhe), R. Konings (European Commission Joint Research Centre Karlsruhe), K. Stephenson (European Space Agency)

In-Pile High-Temperature Testing Vehicle for Nuclear Thermal Rocket Instrumentation, Materials, and Fuel Testing

Brandon Wilson (ORNL), Tyler Steiner (Univ. Tennessee, Knoxville), Emily Hutchins (Univ. Tennessee, Knoxville), Lawrence Heilbronn (Univ. Tennessee, Knoxville), N. Dianne Bull Ezell (ORNL)

Hot Hydrogen Testing of W-Coated UN Kernels for Nuclear Thermal Propulsion

Arne Croell (Univ. Alabama, Huntsville), Jamelle Williams (NASA Marshall Space Flight Center), Martin Volz (NASA Marshall Space Flight Center), Brian Taylor (NASA Marshall Space Flight Center), Jhonathan Rosales (NASA Marshall Space Flight Center)

Design and Construction of a Low-Pressure Wind Tunnel for the Experimental Validation of a Forced-Convection Heat Exchanger for Mars Surface Reactor Waste Heat Rejection

Nathan Colgan (Univ. Wisconsin, Madison), Gregory Nellis (Univ. Wisconsin, Madison), Mark Anderson (Univ. Wisconsin, Madison)

Generating Multigroup Macroscopic Cross Sections with MCNP for Griffin Steady-State Neutronics Analysis of the Surface Power Moderated Heat-Pipe Small Reactor

Alexis Maldonado (LANL), Dasari V. Rao (LANL)

Design Tool Development for Heat Pipe Cooled Space Reactor in KAERI

Sung Nam Lee (KAERI), Sung Hoon Choi (KAERI), Hong-Sik Lim (KAERI), Chan Soo Kim (KAERI)

Multiphysics Suite for Design of Small Reactors

A.J. Fallgren (X-energy), B.T. Rearden (X-energy), John Kennedy (X-energy), Nathan George (X-energy), Dov Rhodes (X-energy), Adam Oler (X-energy), John Pevey (X-energy), Josh Payne (X-energy)

A Deployable 40 kWe Lunar Fission Surface Power Concept

Steven Oleson (NASA Glenn Research Center), Thomas Packard (HX5), Elizabeth Turnbull (NASA Glenn Research Center), Marc Gibson (NASA Glenn Research Center), Dasari Rao (LANL), Christopher Barth (NASA Glenn Research Center), Scott Wilson (NASA Glenn Research Center), Paul Schmitz (Power Computing Solutions), Anthony Colozza (HX5), Brandon Klefman (NASA Glenn Research Center), Lucia Tian (NASA Glenn Research Center), Lee Mason (NASA Glenn Research Center)

Lunar Power Transmission for Fission Surface Power

Christopher Barth (NASA Glenn Research Center), David Pike (NASA Glenn Research Center)

Fusion Propulsion in 2022: Where We Are and Where We Are Going

Stephen Samples (Aerospace Corp.)

Ideas for Infusing OSAM into Nuclear Electric Propulsion Architectures

Julia Cline (NASA Langley Research Center), John Dorsey (NASA Langley Research Center), David Kang (NASA Langley Research Center), Bill Doggett (NASA Langley Research Center), Danette Allen (NASA Langley Research Center)

Mission Assurance for a Nuclear Thermal Propulsion First Flight Vehicle

Sophonias Teshome (Aerospace Corp.), Roland Duphily (Aerospace Corp.), Norman Lao (Aerospace Corp.), Randy Bell (Aerospace Corp.)

Space Environment Neutron Production in Space Nuclear Reactors

W. Randy Bell (Aerospace Corp.), T. Paul O'Brien (Aerospace Corp.), Mark Looper (Aerospace Corp.), Eric Davis (Aerospace Corp.)

Aerogel Supported Fission Fragment Rocket Engine Core

Ryan Weed (Positron Dynamics), Matthew Horsley (LLNL), George Chapline (LLNL)

Material and Modal Analysis of the Rotating Cylinders and Turbine Blades of NASA's Centrifugal Nuclear Thermal Rocket

Tristan Carter (NASA Marshall Space Flight Center), Manav Dave (UAH Propulsion Research Center)

Application of Improved Heat Exchanger Geometry to Nuclear Thermal Rocket Engines

Spencer Christian (Ohio State), Casey Ruckman (Ohio State), Jacob Stonehill (Ohio State), Preston Williams Jr. (Ohio State), Caleb Whitacre (Ohio State), John M. Horack (Ohio State)

Non-Uniform Heating Impact on Specific Impulse in Nuclear Thermal Propulsion Engines

Spencer Christian (Ohio State), John M. Horack (Ohio State)

Coverage to Launch: Updating Nuclear Liability Laws to Empower Development of Space Technologies

Sid Fowler (Pillsbury Winthrop Shaw Pittman), Jeffrey S. Merrifield (Pillsbury Winthrop Shaw Pittman), Vince C. Zabielski (Pillsbury Winthrop Shaw Pittman)

Development of a Nuclear Thermal Rocket I&C Testbed

Brandon Wilson (ORNL), Hayden Sutton (Univ. Tennessee, Knoxville), Bart Murphy (ORNL), N. Dianne Bull Ezell (ORNL)

An Extremely High Isp Spacecraft Propulsion System

Lawrence Forsley (Global Energy Corp.), Theresa Benyo (NASA Glenn Research Center), Pamela Mosier-Boss (Global Energy Corp.), Leonard Dudzinski (NASA Headquarters)

Anti-Criticality Assessments for the Government Testing Reference NTP Design

Mike Savela (BWXT Advanced Technologies), Daniel Newell (BWXT Advanced Technologies), Patrick Hunt (BWXT Advanced Technologies), Randall Paliga (BWXT Advanced Technologies), Matthew Ales (BWXT Advanced Technologies), Shane Stimpson (BWXT Advanced Technologies)

Alpha Particle Propulsion for Overtaking Voyger-1 in 40 years

Naoyuki Takaki (Tokyo City Univ.), Hiroki Yaguchi (Tokyo City Univ.), Yuki Sakurai (Tokyo City Univ.), Keigo Hasegawa (Tokyo City Univ.)

Abeona: Nuclear-Electric Propulsion Vehicle for Missions to Neptune and Outer Planets

Geoffrey A. Landis (NASA Glenn Research Center), Steven R. Oleson (NASA Glenn Research Center)

Accessing Icy World Oceans Using Lattice Confinement Fusion Fast Fission

Theresa L. Benyo (NASA Glenn Research Center), Lawrence P. Forsley (Global Energy Corp.)

Radioisotope-Enabled In-Ice RF Data Relay for a Europa Cryobot

Ralph Lorenz (Johns Hopkins APL), Kate Craft (Johns Hopkins APL), G. Wesley Patterson (Johns Hopkins APL), H. Brian Sequeira (Johns Hopkins APL), Robert Stilwell (Johns Hopkins APL), Robert F. Coker (Johns Hopkins APL), Matt Walker (Planetary Science Institute)

Pulsed Plasma Rocket: Improving Space Capabilities with Novel Neutronics Controls

Steve D. Howe (Howe Industries), Troy Howe (Howe Industries), Nathan Blaylock (Howe Industries)

NASA Innovative Advanced Concepts: Mission Studies by the NASA Glenn COMPASS Team

Steven R. Oleson (NASA Glenn Research Center), Geoffrey A. Landis (NASA Glenn Research Center)

ExtraSolar Object Sample Return Enabled by Ultra Power Dense EmberCore Radioisotope Electric Propulsion -- NIAC Phase I Study Summary

Christopher Morrison (USNC-Tech)

Development of Multilayered Coatings for NERVA-Type Graphite Fuel Elements -- An Overview

S. V. Raj (NASA Glenn Research Center)

High Temperature Thermal and Mechanical Properties of Cermet Fuel for Nuclear Thermal Propulsion (NTP)

James Mudd (Missouri Univ. Science and Technology), Jeremy Watts (Missouri Univ. Science and Technology), Jhonathan Rosales (NASA Marshall Space Flight Center), Ryan Wilkerson (NASA Marshall Space Flight Center), Brian Taylor (NASA Marshall Space Flight Center), Gregory Hilmas (Missouri Univ. Science and Technology), Joseph Graham (Missouri Univ. Science and Technology)

Zirconium Carbide Circular Prismatic Core Geometries by Spark Plasma Sintering -- An Empirical Perspective

Caen Ang (USNC-Tech), Tom Hinklin (USNC-Core), Brandon Connor (Univ. Tennessee, Knoxville), Cameron Hilliard (Univ. Tennessee, Knoxville), Sarah Yue (USNC-Tech), Tim Ironman (Univ. Tennessee, Knoxville), Ethan Chaleff (USNC-Tech), Gavin Garside (USNC-Core)

A System Design Process for NASA NTP Reactor Testing Reference Design Concepts

J. Gustafson (BWX Technologies), J. Monito (BWX Technologies), J. Witter (BWX Technologies)

Modeling of System Response to Faulted Operation of Nuclear Thermal Rocket Engine

Jordan D. Rader (ORNL)

High Temperature Furnace Testing of Space Reactor Materials in Relevant Gas Environments

William T. Searight (Penn State), Leigh Winfrey (Penn State)

Thermophysical Properties of Polycrystalline Pyrolytic Graphite for Radioisotope Space Power Systems

Hsin Wang (ORNL), Frederic Vautard (ORNL), Glenn Romanoski (ORNL), George Ulrich (ORNL), Mark Breloff (Minteq Int'l)

Developing Carbon-Carbon Heat Exchange Tubes for a Nuclear Thermal Propulsion Fuel Element

Julia Cline (NASA Langley Research Center)

Hot Hydrogen Compatibility of Spark Plasma Sintered NbC and (ZrNbW)C for Nuclear Thermal Propulsion

Martin Volz (NASA Marshall Space Flight Center), Ryan Wilkerson (NASA Marshall Space Flight Center), Arne Croell (Univ. Alabama, Huntsville), Jamelle Williams (NASA Marshall Space Flight Center), Brian Taylor (NASA Marshall Space Flight Center), Jhonathan Rosales (NASA Marshall Space Flight Center)

Impact of Matrix Microstructure on Fuel Loss from Nuclear Thermal Propulsion Cermet Fuel

Vishal Yadav (Univ. Florida), Jhonathan Rosales (Marshall Space Flight Center), Michael Tonks (Univ. Florida)

Thermophysical and Mechanical Properties Testing of Cermets and Cercers for Nuclear Thermal Propulsion

Neal D. Gaffin (Univ. Tennessee, Knoxville), Justin Milner (NASA Glenn Research Center), Kelsa Palomores (Analytical Mechanics Assoc.), Timothy Ironman (Univ. Tennessee, Knoxville), Steven J. Zinkle (Univ. Tennessee, Knoxville)

CORTES Software: Leveraging Data Science and Multi-Physics Simulations for Scalable Reactor Design Optimization

Ross Pivovar (BWX Technologies), Ryan Swanson (BWX Technologies), Shane Stimpson (BWX Technologies), Cole Gentry (BWX Technologies)

Material Characterization of Cassini RTG Production Line SiGe Materials

Araseli Cortez (Jet Propulsion Laboratory), Chen-Kuo Huang (Jet Propulsion Laboratory), Ike Chi (Jet Propulsion Laboratory), Jean-Pierre Fleurial (Jet Propulsion Laboratory)

Overview and Demonstration of the Thermal Hydraulics and Thermo Mechanics ntpThermo Code

Matt Krecicki (Georgia Tech), Dan Kotlyar (Georgia Tech)

Overview and Demonstration of the pyIsoDep Depletion Code

Matt Krecicki (Georgia Tech), Dan Kotlyar (Georgia Tech)

Overview and Demonstration of the NTPSteadyFoam Multi-Physics Code

Matt Krecicki (Georgia Tech), Jim Wang (Georgia Tech), Dan Kotlyar (Georgia Tech)

Modernization of Machining Capabilities for Production of CBCF Components

Nidia C. Gallego (ORNL), George Ulrich (ORNL)

Progress of Fabricating Heritage Silicon Germanium Unicouples

Billy Li (Jet Propulsion Laboratory), Sutinee Sujittosakul (Jet Propulsion Laboratory), Vilupanur A. Ravi (Jet Propulsion Laboratory), Ike Chi (Jet Propulsion Laboratory), Jean-Pierre Fleurial (Jet Propulsion Laboratory)

The Whats, the Whys, and the Hows of MARM: MCNP and ABAQUS Based Reactor Multiphysics

Vedant K. Mehta (LANL), Sara Newman (LANL), Jerawan Armstrong (LANL), Dasari V. Rao (LANL)

Evaluation of NpN as Irradiation Target Material for Pu-238 Production

Adam Parkison (ORNL)

Automation and Optimization Aspects of MCNP and Abaqus Based Reactor Multiphysics (MARM) Simulations

Sara Newman (LANL), Jerawan Armstrong (LANL), Dasari V. Rao (LANL), Vedant K. Mehta (LANL)

Towards Laser-Based Additive Manufacturing of Ultra-High Temperature Ceramics: Laser-Material Interactions of Zirconium Carbide

Alexander E. Wilson-Heid (LLNL), R. Joey Griffiths (LLNL), Aiden A. Martin (LLNL), Kiel S. Holliday (LLNL), Jason R. Jeffries (LLNL)

Qualification Through X-Ray CT of an Advanced Manufactured Particle Fuel Form Surrogate

Travis McFalls (BWX Technologies), Ryan Kitchen (BWX Technologies), Daniel Galicki (BWX Technologies), John Salasin (BWX Technologies)

EmberCore -- Commercial Radioisotope Product for Enabling Robust Long Duration Lunar Exploration

Christopher Morrison (USNC-Tech)

Overview of Light Weight Radioisotope Heating Unit (LWRHU) User's Guide

Andrew Zillmer (INL), Amanda Gates (INL)

A Comparison of Radioisotope and Solar Array/Battery Power Systems in the Solar System

Paul C. Schmitz (Power Computing Solutions)

MCNP Modelling of MMRTG Neutron Spectrum in the INL SSPSF High Bay

Teyen Widicombe (Univ. Idaho), Berenice Sosa-Aispuro (Idaho State), Kean Martinic (Idaho State), Emory Colvin (Oregon State ), Chaitee Godbole (NCSU)

Nuclear Electric Propulsion Modular Power Conversion Model

Dennis Nikitaev (Analytical Mechanics Assoc.), Corey D. Smith (Analytical Mechanics Assoc.), Matthew Duchek (Analytical Mechanics Assoc.), Christopher Harnack (Analytical Mechanics Assoc.), William Machemer (Analytical Mechanics Assoc.), Emanuel Grella (Analytical Mechanics Assoc.)

SPEAR Probe: Advanced Thermoelectric Power Generation for Nuclear Electric Space Propulsion

Troy Howe (Howe Industries), Steve D. Howe (Howe Industries), Jack Miller (Howe Industries), Nathan Blaylock (Howe Industries), Brianna Clements (Howe Industries)

Brayton Cycle Power Conversion Model for MW-Class Nuclear Electric Propulsion Mars Missions

Christopher Harnack (Analytical Mechanics Assoc.), William Machemer (Analytical Mechanics Assoc.), Matthew Duchek (Analytical Mechanics Assoc.), Emanuel Grella (Analytical Mechanics Assoc.), Dennis Nikitaev (Analytical Mechanics Assoc.), Corey D. Smith (Analytical Mechanics Assoc.)

Thermal Performance of a Liquid Metal Heat Pipe with Hybrid Wick Structure

Byung Ha Park (KAERI), Ho Sik Kim (KAERI), Chan Soo Kim (KAERI)

Computational Sodium Heat Pipe Simulation for Nuclear Reactor Analysis with Nonuniform Incident Temperature

Valerie Lawdensky (Univ. Nevada, Las Vegas), William Culbreth (Univ. Nevada, Las Vegas)

Preliminary Performance Evaluation of Radiator Heat Pipe for Space Nuclear Reactor Application

Ye Yeong Park (Ulsan Nat'l Institute of Science and Technology), Chan Soo Kim (KAERI), In Cheol Bang (Ulsan Nat'l Institute of Science and Technology)

Comparison of Convective Heat Transfer Correlations and Their Application to Nuclear Thermal Propulsion Reactors

Dennis Nikitaev (Analytical Mechanics Assoc.), Corey D. Smith (Analytical Mechanics Assoc.), Kelsa Palomares (Analytical Mechanics Assoc.)