Abstract Griffin is a Multiphysics Object-Oriented Simulation Environment (MOOSE) based
reactor physics application for multiphysics simulations of advanced reactor designs jointly …

After approximately 50 years, NASA is restarting efforts to develop nuclear thermal
propulsion (NTP) for interplanetary missions. Building upon nuclear engine tests performed …

We present a multiphysics model of the High Temperature Engineering Test Reactor for
comparison with past and predict future loss-of-forced-cooling (LOFC) experiments. The …

In this work, we present two novel approaches for predicting the power evolution and control
rod height of the Transient Reactor Test Facility (TREAT) to support experiment modeling; …

In the pursuit of a higher fidelity deterministic simulation capability of the Advanced Test
Reactor, it is important to have a fast yet accurate deterministic neutronics model. To achieve …

This paper presents simulation results of the Sirius-2c full power experiment that was
performed at the TREAT facility to support experiment modeling and transient analysis of the …

This paper presents the results of a calculation code approach providing a solution to the
point kinetics problem for the IVG. 1M research reactor of the National Nuclear Center of the …

NASA is considering Nuclear Thermal Propulsion (NTP) for long range extraterrestrial
missions; these engines eject hot hydrogen gas heated by a nuclear reactor for rocket thrust …

Advanced microreactors are expected to play an indispensable role in reliable energy
solutions for civilian/military applications in off-grid regions and space applications such as …

To support experiments modeling and transient analysis of the NASA-sponsored SIRIUS
experiments in the Transient Reactor Test Facility (TREAT), an innovative predictive …