Nuclear and Emerging Technologies for Space (NETS 2025)

Full Issue

Optimizing Additive Manufacturing of Metallic Hydrides Using Cellulose-Based Hydrogels for Advanced Reactor Applications

Timothy F. DeFranco (Univ. Michigan, Ann Arbor), Kevin G. Field (Univ. Michigan, Ann Arbor)

The Difficulties of Using a Neutron Moderator in Space Reactors

David I. Poston (Space Nuclear Power Corp.)

Experimental Analysis of Radiation Shielding Performance of Sintered, Cast, and 3D-Printed Lunar Regolith for Space Applications

Joshua Gogolski (Pajarito Scientific Co.)

Fabrication of Inconel 718-CNT Composites for Structural Nuclear Applications

Matthew J. Lynch (Univ. Michigan), Mirza A. Shawon (Stony Brook Univ.), Jason R. Trelewicz (Stony Brook Univ.), Kevin G. Field (Univ. Michigan)

Mining Lunar Helium-3: The Financial Catalyst for Moon Mission

C. Salvino (Univ. Arizona), D. DeJarnette (Lunar Helium-3 Mining, LLC), M. Momayez (Univ. Arizona)

Advancing International Collaboration in Space Nuclear Safety

Matthew E. Granger (IAASS)

The Potential for Offloading of Fission Surface Power Systems to the Lunar Surface

Jacob R. Martin (NASA Langley Research Center), Julia E. Cline (NASA Langley Research Center)

Closed Brayton Cycle Development and Demonstration for Lunar Fission Surface Power

Erich Soendker (Aerojet Rocketdyne), Leslie Woodger (Aerojet Rocketdyne), David Hanks (Aerojet Rocketdyne), Noah Forsyth (Aerojet Rocketdyne), Don Carlson (Aerojet Rocketdyne)

Advances in Design and Multiphysics Analysis of Failsafe Heat Pipe Cooled Nuclear Reactor for Space and Surface Application

Aanchal Gupta (Univ. Illinois, Urbana-Champaign), R. Magdi Ragheb (Univ. Illinois, Urbana-Champaign), Rizwan-uddin (Univ. Illinois, Urbana-Champaign)

Shielding Design, Configurations, and Materials Considerations for Fission Surface Power

Alexis Maldonado (LANL), Alex Levinsky (LANL), Keenan Hoffman (LANL)

Radiation Hardened Self-Calibrating Temperature Sensors

N. Dianne Bull Ezell (ORNL), Kyle Reed (ORNL), Daniel Sweeney (ORNL)

ECSPLORER, Electronuclear System for Space: Reactor Studies for Performance Optimization

Malcie Charlier (CEA), Jean-Baptiste Droin (CEA), Martin Mascaron (CEA), Pierre Sciora (CEA), Frédéric Bertrand (CEA), François Lanzetta (Univ. Franche-Comté)

Deimos, an Advanced and Space Reactor Testbed

Alexis Maldonado (LANL), Alex Levinsky (LANL)

Space Nuclear Reactor Radiation Monitor Development

Suzanne Nowicki (LANL), Steve Wender (LANL), Alexis Maldonado (LANL), Kranti Gunthoti (LANL), Andrew Prince (LANL), Jesus Perello Izaguirre (LANL)

Engineered Ceramic Composite Moderators for Fission Surface Power Applications

Jason R. Trelewicz (Stony Brook Univ.), Lance L. Snead (Stony Brook Univ.), David J. Sprouster (Stony Brook Univ.), Nicholas R. Brown (Univ. Tennessee, Knoxville)

Key Post-irradiation Examination Results of Yttrium Hydrides as Irradiated at Us DOE Nuclear Test Reactor Infrastructure

M. Nedim Cinbiz (ORNL)

Investigations on Capillary Flow and Liquid Entrainment Characteristics in Braided Wire Wick Structures

Yohan Kim (Kyung Hee Univ.), Hyungdae Kim (Kyung Hee Univ.)

U.S. Commercial Launches of Space Nuclear Systems - Insurance and Indemnification Considerations

Clarence H. Tolliver (Pillsbury Winthrop Shaw Pittman), Sidney L. Fowler (Pillsbury Winthrop Shaw Pittman), Jeffrey S. Merrifield (Pillsbury Winthrop Shaw Pittman)

Advanced Thermal Lunar Atomic System (ATLAS)

Steve Sullivan (Univ. Rhode Island), Ryan Macaulay (Univ. Rhode Island), Jeffery Hahn (Univ. Rhode Island), Sami Akcakil (Univ. Rhode Island), Bahram Nassersharif (Univ. Rhode Island)

Key Design Trades for a Near-term Lunar Fission Surface Power System

Lee Mason (NASA Glenn Research Center), Lindsay Kaldon (NASA Glenn Research Center), Sebastian Corbisiero (INL), DV Rao (INL)

Thermal Transport Analysis on Heat Pipe Reactor for Space

Sung Nam Lee (KAERI), Sung Hoon Choi (KAERI), Hong-sik Lim (KAERI), Nam-il Tak (KAERI), Chan Soo Kim (KAERI)

Design Methodology of a Pressurized Irradiation Test Apparatus for Stirling Convertor Organics in the Fission Surface Power Project

Luke R. Hansen (Univ. Tennessee, Knoxville), Tyler R. Steiner (NASA Glenn Research Center), Brandon A. Wilson (ORNL), Michael T. Barron (Jacobs Technology)

Preliminary Findings of Lunar Dust Testing on Radiator Performance

Ronald Leibach (NASA), Greeta Thaikattil (NASA), James Sanzi (HX5, LLC), Meghan Bush (NASA)

Impedance Spectroscopy for Unraveling Self-Healing Mechanisms in Half-Heusler Thermoelectric Alloys

Oliver Jeffery (Univ. Leicester), Agostino Maurotto (Univ. Leicester), Pierluigi Chiovaro (Univ. Palermo), Pietro Alessandro Di Maio (Univ. Palermo), Richard M. Ambrosi (Univ. Leicester), Ramy Mesalam (Univ. Leicester)

SNAP-10A Experimental Criticality Benchmark Estimated By OpenMC Monte Carlo Code

Zelong Zhao (CIAE), Gu Hu (CIAE)

Feasibility Assessment of Micro Molten Salt and Metal Reactor (MSMR) for Long Life Lunar Base Power

Jaehyun Ryu (KAIST), Yonghee Kim (KAIST)

Multiphysics Modeling of SNAP 10A/2 Space Reactor with Cardinal

Maximiliano Dalinger (Penn State), Elia Merzari (Penn State), Tri Nguyen (Penn State), Michael Seneca (Penn State), Richard Martineau (Sawtooth Simulation, LLC)

Optimization of the BISON UN Fission Gas Release and Swelling Model

Zachary Miller (Univ. California, Berkeley), Massimiliano Fratoni (Univ. California, Berkeley), Alex Levinsky (LANL), Galen T. Craven (LANL), Christopher Matthews (LANL)

Status of Current Radioisotope Thermoelectric Generator Programs at L3Harris Technologies

Leo Gard (L3Harris), Andrew Lane (L3Harris)

European Americium Radioisotope Power Systems, Missions and Applications

Richard M. Ambrosi (Univ. Leicester), Alessandra Barco (Univ. Leicester), Ramy Mesalam (Univ. Leicester), Hannah Sargeant (Univ. Leicester), Emily Jane Watkinson (Univ. Leicester), Chris Bicknell (Univ. Leicester), Tony Crawford (Univ. Leicester), Rob Tute (Univ. Leicester), Kris Bell (Univ. Leicester), Gareth Bustin (Univ. Leicester), James Pearson (Univ. Leicester), Charlotte Bouldin (Univ. Leicester), Roisin Speight (Univ. Leicester), Duncan Ross (Univ. Leicester), Pierre Coquay (ESA), Christophe Fongarland (ESA), David Le Falcher (ESA), Tim Tinsley (National Nuclear Laboratory), Mark Sarsfield (National Nuclear Laboratory), Kevin Simpson (European Thermodynamics Ltd), Richard Tuley (European Thermodynamics Ltd), Marie-Claire Perkinson (Airbus), Aled Richings (AWE), Tony Warkup (AWE), Dan Green (AWE), Timothy Paget (AWE), Matthew Higginson (AWE), Joe Mahmoud (AWE), Chris Gilligan (AWE), Piers Slater (Reef Origin), Frederic Lattwein (Ariane Group), Salvatore Oriti (NASA Glenn Research Center), Ernestina Wozniak (NASA Glenn Research Center), Steven R. Oleson (NASA Glenn Research Center), Elizabeth Turnbull (NASA Glenn Research Center), Scott Wilson (NASA Glenn Research Center), Paul C. Schmitz (Power Computing Solutions Inc.), Daniel Kelly (Johns Hopkins APL), Jessica Leung (Johns Hopkins APL), Timothy Erickson (Johns Hopkins APL), Steven Arnold (Johns Hopkins APL), Paul Ostdiek (Johns Hopkins APL), Fermin Navarro-Medina (Univ. of Vigo), Carlos Ulloa-Sande (Univ. of Vigo), Pablo Fernandez-Miaja (Univ. Oviedo), Manuel Arias-Perez d. Azpeitia (Univ. Oviedo)

Update on Stirling Radioisotope Power Systems Development at NASA Glenn Research Center

Matthew D. Stang (NASA Glenn Research Center), Tyler Steiner (NASA Glenn Research Center), Daniel Goodell (NASA Glenn Research Center), Ernestina Wozniak (NASA Glenn Research Center)

Risk Analysis of Radiological Release from Pu-238 Production Targets During Manual Handling

Daniel K. Sluder (INL), Igor A. Sarygin (INL), Jacob L. Westacott (INL), Matthew D. Horkley (INL)

Chemical Processing Waste Remediation in the Plutonium-238 Supply Program

Briana R. Schrage (ORNL), Jisue Moon (ORNL), Ethan Villarreal (Virginia Commonwealth Univ.), Sam Cummings (ORNL), Doug Crawford (ORNL), Kristian G. Myhre (ORNL), Adam J. Parkison (ORNL)

Materials Characterization Capabilities for the Plutonium-238 Supply Program

Kathryn M. Peruski (ORNL), Connor J. Parker (ORNL), Samantha K. Cary (ORNL), Chris L. Jensen (ORNL), Adam J. Parkison (ORNL)

Capabilities for Studying Temperature Dependence in Optical Spectra of Actinides in Support of the Plutonium-238 Supply Program

Sara E. Gilson (ORNL), Luke R. Sadergaski (ORNL), Hunter B. Andrews (ORNL), Adam J. Parkison (ORNL)

Conceptual Study of Thermal Design for WEB Based on the Korean Small RTG and Future Application Plans

Sunjin Kim (KAERI), Hui-Kyung Kim (KARI), Jong-Bum Kim (KAERI), Kwang-Jae Son (KAERI), Jin-Joo Kim (KAERI), Jin Kim (KAERI), Yongrok Jeong (KAERI), Kilyoung Ko (KAERI), Dong Yong Rew (KASA), Jintae Hong (KAERI)

AMBER: 241 Am Sources for Small Low-Power Satellite Applications

Daniel Gadaleta (CSNR), Jackson C. Stahl (CSNR), Robert C. O'Brien (CSNR)

The Journey of Pulsar, Pu-238-Coupled Dynamic Power System for Space Exploration and Beyond

Alessia Simonini (Tractebel Engineering), Nicolas Delannay (Tractebel Engineering), Beatriz Acevedo (SCK CEN), Jeremie Manaud (European Commission), Michel L. Schlegel (CEA), François Lanzetta (Univ. Franche-Comté), Dominique Vergnet (Airbus), Ana Fort (INCOTEC), Frederic Lattwein (Ariane Group), Brieuc Spindler (Tractebel Engineering)

An Integrated Satellite/Radioisotope Power System Concept for VLEO

Chadwick Barklay (Univ. Dayton Research Institute), Simon Dawson (Optimum Technologies, Inc.), James Peterka (Optimum Technologies, Inc.), Christopher Venturella (Univ. Dayton Research Institute), Matthew Johnson (Univ. Dayton Research Institute)

Advancements in Lifetime Testing, Reliability and Manufacturability of SiGe Unicouples Prepared with SPS Materials for GPHS-RTG Applications

Jonathan Pierce (Johns Hopkins APL), Richard Ung (Johns Hopkins APL), Jake Ballard (Johns Hopkins APL), Tim Holgate (Johns Hopkins APL), Rasdip Singh (Soal Technologies), Mousumi Mitra (Univ. Virginia), Scott Misture (Alfred Univ.), Joseph Poon (Univ. Virginia), Timothy Erickson (Johns Hopkins APL), Paul Ostdiek (Johns Hopkins APL), Rama Venkatasubramanian (Johns Hopkins APL)

Technology Demonstrator of an Americium-Fuelled Radioisotope Stirling Generator

Hannah Sargeant (Univ. Leicester), Salvatore Oriti (NASA Glenn Research Center), Kris Bell (Univ. Leicester), Rob Tute (Univ. Leicester), Ramy Mesalam (Univ. Leicester), Ernestina Wozniak (NASA Glenn Research Center), Matthew Stang (NASA Glenn Research Center), Ronald Leibach (NASA Glenn Research Center), Tony Crawford (Univ. Leicester), Alessandra Barco (Univ. Leicester), Emily Jane Watkinson (Univ. Leicester), Richard Ambrosi (Univ. Leicester)

Industrial Manufacturing Process of AmO2 Powder from a Pu Solution: Separation, Conversion and Calcination

T. Prevost (Orano), G. Kauric (Orano), C. Brachon (Orano)

A Methodology and Demonstration for Preliminary Tier Determination Analyses

Daniel J. Clayton (Sandia)

Stirling Convertor Launch Vibration Modeling

Brett N. Shapiro (Johns Hopkins Univ. APL), Dennis J. Duven (Johns Hopkins Univ. APL), Martin E. Fraeman (Johns Hopkins Univ. APL), David M. Reed (Johns Hopkins Univ. APL)

Development of System Identification Testing Method for Stirling Convertors

Donguk Max Yang (NASA)

Efficient Computational Method for Three-Dimensional Thermally- and Electrically-Coupled Performance Prediction of GPHS-RTG

Carter D. Gassler (Univ. Pittsburgh), Michael J. Durka (Univ. Pittsburgh), Natan P. Herzog (Univ. Pittsburgh), Matthew M. Barry (Univ. Pittsburgh)

Thermal/Fluidic Model of Heat and CO Transport in the Next-Generation RTG Under Storage Conditions

Michael J. Durka (NASA Jet Propulsion Laboratory), Jean-Pierre Fleurial (NASA Jet Propulsion Laboratory)

A Gd-148 Heated Melt Probe for Europa's Ice sheet

Roshni Bakrania (Univ. Leicester), Emily Jane Watkinson (Univ. Leicester)

Radioisotopes for Space: Lifecycle Waste and Transportation Considerations

Kurt Fogleman (Zeno Power Systems), Alex Gilbert (Zeno Power Systems), Harsh S. Desai (Zeno Power Systems)

Study on Approval Processes for the Integration of Nuclear Power Sources into Space Launch Vehicles for Korea's Lunar Exploration and Associated Challenges

Kilyoung Ko (KAERI), Jong-Bum Kim (KAERI), Sunjin Kim (KAERI), Jin-Joo Kim (KAERI), Jin Kim (KAERI), Yongrok Jeong (KAERI), Gujin Kang (KAERI), Kwang-Jae Son (KAERI), Jintae Hong (KAERI)

The Progress with the European Dynamic Radioisotope Power System

Mihails Scepanskis (Deep Space Energy)

Development of Stirling Radioisotope Generator Testing System

Yongrok Jeong (KAERI), Gujin Kang (KAERI), Kilyoung Ko (KAERI), Sunjin Kim (KAERI), Jong-bum Kim (KAERI), Jin-joo Kim (KAERI), Jin Kim (KAERI), Kwang Jae Son (KAERI), Hyungwoo Kwon (Seoul National Univ.), Yundeok Ro (Seoul National Univ.), Seonghyeon Cho (Seoul National Univ.), Kyuho Sim (Seoul National Univ.), Jintae Hong (KAERI)

Update on the Qualification Process of an Alternative Fiber and a Chopping Vendor for the Production of Carbon Bonded Carbon Fiber Insulation

Nidia C. Gallego (ORNL), Rex Veach (ORNL), Roger G. Miller (ORNL)

Radioisotope Power System - Dose Estimation Tool Version 2.0 Release

Noel Nelson (ORNL), Mathew Swinney (ORNL)

Payload Review for NanoTritiumTM Betavoltaic Batteries

Peter Cabauy (City Labs), Kevin Makinson (Nuclear Consulting, LLC)

Qualifying Tritium Loading for Advanced Nuclear Space Devices

Krystine Pimentel (City Labs), Peter Cabauy (City Labs), Jesse Grant (City Labs), Mark Stone (City Labs)

Scalable Tritium Power Solutions for Extended Space Missions

Mark Stone (City Labs), Peter Cabauy (City Labs), Jesse Grant (City Labs), Cedric Flor-Rey (City Labs), Johann Hernandez (City Labs), Krystine Pimentel (City Labs)

Testing Commercial Off the Shelf Thermoelectric Devices at Elevated Temperatures for Short Periods of Time

Boyd A. Tolson (Univ. Dayton Research Institute), Steven F. Adams (Air Force Research Laboratory), Zachary T. Adamson (Air Force Research Laboratory)

Optical Spectroscopy for Key Analytical Measurements in Radiochemical Hot Cells to Support Pu-238 Production

Luke R. Sadergaski (ORNL), Cannon Giglio (ORNL), Kristian G. Myhre (ORNL), Sara E. Gilson (ORNL), Adam J. Parkison (ORNL)

Remote Tracking of Material Inventory During Ion Exchange Column Separation by Spectrophotometry

Cannon Giglio (ORNL), Luke R. Sadergaski (ORNL), Kristian G. Myhre (ORNL), Tom D. Hylton (ORNL), Adam J. Parkison (ORNL)

Maintaining Advanced Test Reactor Qualifications for Pu-238 Production at Idaho National Laboratory

Jill R. Mitchell (INL)

The Nuclear Space Age: Solving for Regulatory Hurdles

Ana Laura Villicaña (Georgetown Law), Bailey Reichelt (Aegis Space Law)

Modeling the Performance of a Cascaded Thermionic-Thermoelectric Energy Conversion System for Space Nuclear Power Systems

Elizabeth D. Juette (Univ. California, Berkeley), Van P. Carey (Univ. California, Berkeley), Jean-Pierre Fleurial (NASA Jet Propulsion Laboratory)

A Mixed Methods Approach to Modeling Performance Losses In Thermoelectric Generators Due to Material Sublimation

Carter D. Gassler (Univ. Pittsburgh), Michael J. Durka (Univ. Pittsburgh), Matthew M. Barry (Univ. Pittsburgh)

Qualification Testing of the ESA Radioisotope Thermoelectric Generator

Ramy Mesalam (Univ. Leicester), Alessandra Barco (Univ. Leicester), Rob Tute (Univ. Leicester), Kris Bell (Univ. Leicester), Hannah Sargeant (Univ. Leicester), Emily Jane Watkinson (Univ. Leicester), Tony Crawford (Univ. Leicester), Christopher Bicknell (Univ. Leicester), Richard Ambrosi (Univ. Leicester), Christophe Fongarland (ESA)

Testing and Characterization of Industrial Thermoelectric Modules for Space Applications

Kenton Sherick (Univ. Dayton Research Institute), Boyd Allen Tolson (Univ. Dayton Research Institute), Matthew Johnson (Univ. Dayton Research Institute), Asa Palmer (Univ. Dayton Research Institute), Christopher Venturella (Univ. Dayton Research Institute), Rebecca Hoffman (Univ. Dayton Research Institute), Chadwick Barklay (Univ. Dayton Research Institute)

The Case for Architecting Space Nuclear Propulsion Missions and Vehicles That Incorporate In-Space Servicing, Assembly and Manufacturing Principles

Julia Cline (NASA Langley Research Center), John Dorsey (NASA Langley Research Center)

Alumni Project: Ntp Engine Design Options and Performance Assessment Against Mars Mission Use Cases

Frederic Bertrand (CEA), Pierre Sciora (CEA), Valérie Brun-Magaud (CEA), Eric Proust (CEA), Gedeon Mauger (CEA), Thibault Moulignier (CEA), Michel L. Schlegel (CEA), Fabrice Jacquet (Ariane Group), Jean-Luc Dumont (Ariane Group), Lea Wullschleger (Ariane Group), Nicolas Guezennec (Ariane Group), Aranud Ruiz (Ariane Group), Nicolas Corlay (Ariane Group), Valere Girardin (ESA)

Mission Formulation Using Digital Engineering for Nuclear Thermal Propulsion System

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

Safety Engineering Framework for Space Nuclear Reactor Control Mechanisms

Matthew Granger (Lockheed Martin Space), Alexander Herbert (Lockheed Martin Space)

Preliminary Study of Fission Product Entrainment Impact on a Centrifugal Nuclear Thermal Rocket

Mitchell Schroll (Univ. Alabama, Hunstville), Robert Frederick Jr. (Univ. Alabama, Hunstville), L. Dale Thomas (Univ. Alabama, Hunstville)

Hydrogen Flow and Heat Transfer Enhancements for the Centrifugal Nuclear Thermal Rocket

Bahram Nassersharif (Univ. Rhode Island), Joel Aubin (Univ. Rhode Island), Nicholas Caito (Univ. Rhode Island), Nicholas Colavecchio (Univ. Rhode Island), Nicholas DeFranzo (Univ. Rhode Island)

Design and Analysis of an Internal Gas Turbine for the Centrifugal Nuclear Thermal Rocket (CNTR)

Bahram Nassersharif (Univ. Rhode Island), Andrik Puentes (Univ. Rhode Island), Lucas Murphy (Univ. Rhode Island), Mycarthy Newton (Univ. Rhode Island), Michael Kenney (Univ. Rhode Island), Shamar Morgan (Univ. Rhode Island)

Simulating Flow and Heat Transfer Properties of Centrifugal Nuclear Thermal Propulsion Reactor

Joshua Naudet (Ohio State), Spencer Christian (Ohio State), Calvin Chandler (Ohio State)

Coalescence of Designed and Natural Space Radiological Environments

Tyler R. Steiner (NASA Glenn Research Center), Jarvis A. Caffrey (NASA Marshall Space Flight Center), Jonathan D. Barth (NASA Goddard Space Flight Center)

Designing Nuclear Electric Propulsion Systems: Optimizing Under Mission Constraints

Pablo Rubiolo (Univ. Grenoble Alpes), Francisco Szmandiuk (Univ. Grenoble Alpes)

Preliminary Guidelines on the use of Highly Enriched Uranium in NASA Space Nuclear Power and Propulsion Projects

Susan S. Voss (GNNA LLC), James Werner (AMA)

Preliminary Low-Thrust Direct Trajectory Design Using Nuclear Electric Propulsion for Rendezvous Missions to Jupiter

Monica A. Salunkhe (Univ. Alabama, Huntsville), Gabe Xu (Univ. Alabama, Huntsville), L. Dale Thomas (Univ. Alabama, Huntsville)

How A Next Generation Bimodal NTP Can Benefit Future Missions

C. Russell Joyner II (L3 Harris Technologies), Timothy Kokan (L3 Harris Technologies), Daniel J. H. Levack (L3 Harris Technologies), Brian Muzek (L3 Harris Technologies), Christopher Reynolds (L3 Harris Technologies)

Reliability Analysis of an Early Design for a Bimodal Nuclear Propulsion System

Elia Puccinelli (Univ. Pisa), Samantha B. Rawlins (BWX Technologies), Angelo Pasini (Univ. Pisa), L. Dale Thomas (Univ. Alabama, Huntsville)

A Fusion Propulsion Reactor Architecture for Exoplanet Exploration

Gerald P. Jackson (Hbar Technologies), Grace E. Bittlingmaier (Beam Alpha Inc.)

OpenMC Benchmarking of Gaseous Core Reactors: A Prelude to Advanced Space Reactor Systems

Robert C. O'Brien (CSNR), Logan Reed Horner (CSNR), Aanchal Gupta (CSNR), Abigail Hogue (CSNR)

Effects of Microstructure on Hydrogen Retention in Metal Hydride Moderators

Jianqi Xi (Univ. Illinois, Urbana-Champaign)

Hydrogen Corrosion Model of Nuclear Thermal Propulsion Carbide Fuels

Kai E. Duemmler (LANL), Christopher Matthews (LANL), Erofili Kardoulaki (LANL), Michael W. D. Cooper (LANL)

Global HTGR Effort and Supply Chain

Peter Ewing (Colorado Nuclear Alliance)

Electrodeposition of a Protective Zirconium Coating on Uranium Nitride

Jarom Chamberlain (LANL), Adrien Terricabras (LANL), Rami Batrice (LANL), Tim Coons (LANL), Marisa Monreal (LANL)

Effects of Hydrogen Environment Testing on Zirconium Carbide Material

Scarlett Widgeon Paisner (LANL), Joseph C. Schaeperkoetter (LANL), Tyler J. Gerczak (ORNL), Matt Kurley (ORNL), Dylan Richardson (ORNL), Amanda Greenlaw (BWX Technologies), John Salasin (BWX Technologies), Sabrina McCoy (BWX Technologies), Sabyasachi Sen (Univ. California, Davis), Erofili Kardoulaki (LANL), Kenneth McClellan (LANL)

Advances in the Modeling and Simulation of NTPs Using OpenFOAM and OpenModelica

Carlo Fiorina (TAMU), Benjamin Stroup (TAMU), Zachary Hughes (TAMU), Thomas Guilbaud (École Polytechnique Fédérale de Lausanne), Giovanni Nervi (École Polytechnique Fédérale de Lausanne), Alessandro Scolaro (Ecole Polytechnique Federale de Lausanne)

Thermophysical Properties of Refractory Carbides as NTP Surrogate Fuel

Alexander T. Nadermann (Univ. Tennessee, Knoxville), Jonas Kessing (Univ. Tennessee, Knoxville), Praveen Negi (Stony Brook Univ.), David Sprouster (Stony Brook Univ.), Lance Snead (Stony Brook Univ.), Steven J. Zinkle (Univ. Tennessee, Knoxville)

Sintering Behavior and Homogeneity of Ti-Containing Tri-Carbides for Nuclear Thermal Propulsion

Ethan Payne (Univ. Tennessee, Knoxville), Alex Nadermann (Univ. Tennessee, Knoxville), Sean Drewry (Univ. Tennessee, Knoxville), Steven Zinkle (Univ. Tennessee, Knoxville)

Design Activities of In-Situ Hydrogen Loops at MIT Reactor

Patrick D. Riley (MIT), Nesrin O. Cetiner (MIT), David M. Carpenter (MIT), Koroush Shirvan (MIT)

High Temperature, Reactor Irradiation of Surrogate Coated Particle Fuel for Nuclear Thermal Propulsion

Brandon A. Wilson (ORNL), Emily N. Hutchins (Univ. Tennessee, Knoxville), Eddie Lopez Honorato (ORNL), N. Dianne Ezell Bull (ORNL)

Nuclear Thermal Rocket Emulator for a Hardware in the Loop Testbed

Brandon A. Wilson (ORNL), Wesley Williams (ORNL), Jono McConnell (ORNL), Craig Gray (ORNL), Charles Taylor (Louisiana State), N. Dianne Bull Ezell (ORNL)

Progress Toward Transient System Modeling of the Centrifugal Nuclear Thermal Rocket

Taylor Hampson (MIT), Gyutae Park (MIT), Koroush Shirvan (MIT)

Preliminary Investigation on UZrCN Formation via Hydrogen Cyanide Synthesis for Nuclear Thermal Propulsion Applications

James Zillinger (INL), Sarah Hamilton (INL)

Fabrication of Fuel Geometries via Fused Deposition Modeling 3D Printing and Spark Plasma Sintering for Nuclear Thermal Propulsion Applications

Nathaniel Cavanaugh (Rensselaer Polytechnic Institute), Jie Lian (Rensselaer Polytechnic Institute)

ZrC Insulators for Space Nuclear Propulsion

Bryant Kanies (LANL), Maria Kosmidou (LANL), Joseph Schaeperkoetter (LANL), Miles Beaux (LANL), Scarlett Widgeon Paisner (LANL), Erofili Kardoulaki (LANL)

Parametric Trade Space Investigation of Particle Bed Reactors for Nuclear Thermal Propulsion

Jacob Stonehill (AMA), Corey Smith (AMA), Daria Nikitaeva (AMA), Matthew Duchek (AMA)

Nuclear Design of a Liquid Uranium-Manganese (UMn) Thermal Propulsion Reactor

Reem Alnuaimi (KAIST), Yonghee Kim (KAIST)

Methane-based Nuclear Thermal Propulsion Engine Considerations

Daria Nikitaeva (AMA), Corey D. Smith (AMA), Matthew Duchek (AMA)

Design of an Ammonia-fed Nuclear Thermal Propulsion System for Reusable Space-tug in Cislunar Orbits

Elia Puccinelli (Univ. Pisa), Valerio Giusti (Univ. Pisa), Angelo Pasini (Univ. Pisa)

Initial Atmospheric Results for Simulating a Centrifugal Nuclear Thermal Rocket Engine

Timothy Blackman (Univ. Alabama, Hunstville), Julia Kondrat'yev (Univ. Alabama, Huntsville), Olivia Williams (Univ. Alabama, Huntsville), Robert Frederick (Univ. Alabama, Huntsville), L. Dale Thomas (Univ. Alabama, Huntsville)

Preliminary Results of a Multiphase Flow Heat Transfer Experiment for a Centrifugal Nuclear Thermal Rocket

Ines de Villarreal (NASA Marshall Space Flight Center), Bandar Alrugebh (Drexel Univ.), Theodore Van de Water (Drexel Univ.), Vincent Angeline (Drexel Univ.), Amine Mrad (Drexel Univ.), Mikin Patel (Drexel Univ.), Augustin Demonceaux (Amentum Space Exploration Group), Kylie Braunhardt (New Mexico State), Joel Krakower (NASA Glenn Research Center)

Progress on Developing a Prototypic Centrifugal Fuel Element Test Stand for CNTP Engine

Spencer Christian (Ohio State), Calvin Chandler (Ohio State), Joshua Naudet (Ohio State), Rahul Ravishankar (Ohio State), Zachary Smith (Ohio State), Hao Yu (Ohio State), Will Fink (Ohio State), Ryan Halloran (Ohio State), Zain Hamid (Ohio State), Luke Horne (Ohio State), Matthew Kogler (Ohio State), Huangcheng Yu (Ohio State), John M. Horack (Ohio State)

Mitigating Liquid Over-Compressibility in Liquid-Gas Models for Centrifugal Nuclear Thermal Propulsion Systems

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

Modular Assembled Radiators for Nuclear Electric Population (NEP) VehicLes (MARVL) Project - Update

Amanda Stark (NASA Langley Research Center), Will Grier (NASA Langley Research Center)

Applications of an Electrostatic Mesh in Nuclear Propulsion Techniques

Grace E. Bittlingmaier (Beam Alpha Inc.)

Exploration of Regenerative Cooling for High-Power Adiabatic Electric Thrusters

Kaylin Borders (Cornell Univ.), Elaine Petro (Cornell University)

Preliminary Considerations on BANTER: A European Project on Innovative Ammonia Bimodal Nuclear Rocket

Elia Puccinelli (Univ. Pisa), Valerio Giusti (Univ. Pisa), Angelo Pasini (Univ. Pisa)

Applying Past Space Reactor Lessons Towards Antares

Kevin Makinson (Antares), Matthew Griffin (Antares), Hassan Safieddine (Antares), Aaron She (Antares)

ASTM Standard for Safe Operating Practices In-Space for Space Fission Reactors Used for Nuclear Power and Propulsion

W. Randy Bell (Aerospace Corp.), Alex Gilbert (Zeno Power), Don Helton (NASA Headquarters)

Nonproliferation Considerations for Space Nuclear Power and Propulsion Systems

Kathleen A. Doty (PNNL)

Oscillating Heat Pipes for Space Nuclear Power

Alex Miller (ThermAvant Technologies)

A Space Propulsion Concept Based on Inertial Confinement for Nuclear Fusion Using a Polywell Geometry

Preeti Nair (Univ. North Dakota), Marcos Fernandez-Tous (Univ. North Dakota), Sreejith Vidhyadharan (Univ. North Dakota)

Impact of Carbon Stoichiometry on (U,Zr)C Thermophysical Properties

J.C. Schaeperkoetter (LANL), S. Widgeon Paisner (LANL), K.J. McClellan (LANL), J.T. White (LANL), B. Taylor (NASA), J. Rosales (NASA), E. Kardoulaki (LANL)

Performance of Zrc at Conditions Relevant to Space Nuclear Propulsion

Eddie Lopez-Honorato (ORNL), Katherine Montoya (ORNL), Wesley Jones (ORNL), Ryan Heldt (ORNL), Bryan Conry (ORNL), Brandon Wilson (ORNL), Emily Hutchins (ORNL), N. Dianne Ezell Bull (ORNL)

Nuclear Thermal Propulsion (NTP) Engine Ground Testing Status

Lindsey Holmes (AMA), Marcus Neeley (Jacobs Space Exploration Group), James Rector (New Horizons 5)

Application of Transient Fission Chain Matrix Methodology to Multiphysics Analysis of Nuclear Thermal Rockets

Jacob Stonehill (AMA)

Synthesis and Microstructure Evolution of Transition Element Mixed Actinide Carbides for Nuclear Thermal Propulsion

Geronimo Robles (LANL), Shane Mann (LANL), Benjamin Walusiak (LANL), Erofili Kardoulaki (LANL), Najeb Abdul-Jabbar (LANL)

Overcoming Barriers for Reuseable Ground to Orbit Thermal Nuclear Rocketry

Adrian Tymes (CubeCab), Trevor Hehn (Hehn Law), Troy Howe (Howe Industries), Stylianos Chatzidakis (Purdue Univ.)

The Evolution of Inadvertent Criticality Analyses from Project Rover to Today

Russell Johns (LANL), Andrew Prince (LANL)

Reduced-Order Neutronics: Bridging Speed and Fidelity for Real-Time Nuclear Propulsion Simulations

Robert Demuth (Univ. South Carolina), Travis Knight (Univ. South Carolina)

ZrC-NbC-TaC Solid Solutions for Carbon-Carbon Heat Exchange Tubes for Nuclear Thermal Propulsion Fuel Elements

Mark Opeka (Kratos SRE), Ben Kowalski (NASA Langley Research Center)

Evaluation of Candidate Carbide Coatings for Carbon-Carbon Heat Exchange Tubes for Nuclear Thermal Propulsion Applications

Valerie Wiesner (NASA Langley Research Center), Julia Cline (NASA Langley Research Center), Elora Kurz (NASA Langley Research Center), Benjamin Kowalski (NASA Glenn Research Center), Anthony Calomino (NASA Headquarters), Christopher Hill (CvdTek)

Thermal-hydraulics Modeling for Nuclear Thermal Propulsion Simulator

Jackson Zazzaro (Univ. South Carolina), Travis Knight (Univ. South Carolina), Ruixian Fang (Univ. South Carolina)

Nuclear Thermal Propulsion Reactor: Recent Advances in Design, Materials, and Fuel Testing

Gerald Lilienthal (General Atomics), Christina Back (General Atomics), Robert Schleicher (General Atomics), Ryan Hon (General Atomics), Jonas Opperman (General Atomics), Nicole Pacheco (General Atomics), Hesham Khalifa (General Atomics), Christopher Nodine (General Atomics), Nick Eidietis (General Atomics), Andrew Giles (General Atomics), Simrun Saini (General Atomics), Jaclynn Unangst (General Atomics), Matthew Virgen (General Atomics), Bob Noren (General Atomics), Brian Parme (General Atomics), Ray Pili (General Atomics), James Pate (General Atomics), Brian Cluggish (General Atomics), John Bolin (General Atomics), Christian Deck (General Atomics), Millie Andrews (General Atomics), Lloyd Brown (General Atomics), Qinghong Chen (General Atomics), Michael Cevallos (General Atomics), Michael Condon (General Atomics), Patrick Howard (General Atomics), Jackie Renteria (General Atomics), Kenneth Redler (General Atomics), Zachary Spidell (General Atomics), Trey Villarreal (General Atomics), Mohammad Alavi (General Atomics), Daniel-Steve Fournier (General Atomics), Daniel Keane (General Atomics)

Ground Testing Concept of Operations for the First Generation Nuclear Thermal Propulsion Engine

Daria Nikitaeva (AMA), Matthew Duchek (AMA), Corey D. Smith (AMA)

Development of Sieverts Apparatus for High Pressure Thermodynamic Behavior of Zirconium Hydride

Darrell Cheu (LANL), Aditya Shivprasad (LANL), Caitlin Kohnert (LANL), Erofili Kardoulaki (LANL)

NTP Transient Reactor Modeling and Uncertainty Propagation

Eleni Mowery (AMA), Jacob Stonehill (AMA), Corey Smith (AMA), Matthew Duchek (AMA)

Decay Heat Correlation Generation Methodology for Nuclear Thermal Propulsion Reactors

Matt Krecicki (BWX Technologies), Herschel Smith (BWX Technologies)

Demonstration of Nodal Diffusion Analysis for Nuclear Thermal Propulsion Core Modeling with Varying Thermal-Hydraulic Conditions

Jake Smith (Georgia Tech), Dan Kotlyar (Georgia Tech)

Systematic Approach for NTP Analysis Using a Consistent Solution Sequence and Reduced-Order Thermal-Hydraulics

C. Eck (Georgia Tech), D. Kotlyar (Georgia Tech)

From Earth to Space: Validating Nuclear Technologies for Future Spacecraft

Nathan Roskoff (Westinghouse Electric Co.), William Walters (Westinghouse Electric Co.)

Integrated System Modeling Suite Development for Nuclear Electric Propulsion Design Space Analysis

Corey Smith (Georgia Tech), Dan Kotlyar (Georgia Tech)

Optimization of the Specific Power of a NEP System: Integrating Neutronics and the Thermal Aspects of a Heat Pipe Reactor (HPR) Core Design

Francisco Szmandiuk (Univ. Grenoble Alpes), Pablo Rubiolo (Univ. Grenoble Alpes), Martin Marone (Univ. Grenoble Alpes), Nicolas Capellan (Univ. Grenoble Alpes), Fabien Castanet (CNES)

Assessment of Reduced Order Thermal Modeling Assumptions for Nuclear Thermal Propulsion

Corey Smith (AMA), Jacob Stonehill (AMA), Daria Nikitaeva (AMA), Matthew Duchek (AMA)

A Preliminary Computational Thermal Model of the Centrifugal Nuclear Thermal Rocket

Nicholas DeFranzo (Univ. Rhode Island), Bahram Nassersharif (Univ. Rhode Island)

Verification of a Reduced-Order, Thermal-Hydraulic Code Using Higher-Order Analysis Tools

Jonathon Thomsen (Georgia Tech), Camden Eck (Georgia Tech), Dan Kotlyar (Georgia Tech)

Ensemble Kalman Smoothing for Estimating Unknown Heat Source in a Transient Thermal System

Haeseong Kim (MIT), Sacit M. Cetiner (INL), Arunkumar Seshadri (MIT), Matteo Bucci (MIT)