Experimental work at the LR-0 reactor was carried out to determine possibility of mock-up neutron field creation for fluoride salt-based reactors. Previous calculations and experiments have shown that fast part molten salt (MSR) spectrum is shaped by fluorine even Teflon material suitable neutronics in energy range. Properly selected indices can describe MSR thermal intermediate parts spectrum....

In this paper, the conceptual design and a preliminary study of LUT Heating Experimental Reactor (LUTHER) for 2 MWth power are presented. Additionally, commercially sized designs 24 120 powers briefly discussed. LUTHER is scalable light-water pressure-channel reactor designed to operate at low temperature, pressure, core density. The utilizes enriched uranium (LEU) produce low-temperature outpu...

In this paper, we present a sensitivity analysis of the beta effective to nuclear data for UM17x17 experiment that has been performed in EOLE reactor. This work is carried out using APOLLO3® platform. Regarding flux calculation, standard two-step approach (lattice/core) used. For what concerns delayed data, they are processed be directly used core calculation without going through lattice one. ...

A recent benchmarking effort, under the auspices of Organization for Economic Cooperation and Development (OECD) Nuclear Energy Agency (NEA), has been made to evaluate current state modeling simulation tools available model fluoride salt-cooled high temperature reactors (FHRs). The FHR effort considered in this work consists several cases evaluating neutronic parameters a 2D prismatic fuel asse...

Thermal-hydraulic calculations have been conducted with respect to the active part of MAK-2 loop facility VVR-ts research reactor for 99 Mo production. The computational studies were undertaken both case using a highly 235 U enriched target and low-enriched target. calculation was performed actual technical characteristics channel. power density two simulated cases obtained in course preliminar...

Abstract. Monitoring the snow water equivalent (SWE) in harsh environments of high mountain regions is a challenge. Here, we explore use muon counts to infer SWE. We deployed muonic cosmic ray gauge (?-CRSG) on Swiss glacier during snow-rich winter season 2020/21 (almost 2000 mm w.e.). The ?-CRSG measurements agree well with by neutronic (n-CRSG), and they lie within uncertainty manual observat...

We study the superfluid dynamics of outer core neutron stars by means a generalized hydrodynamic model made neutronic and protonic superconductor, coupled both dynamic entrainment Skyrme SLy4 nucleon-nucleon interactions. The resulting nonlinear equations motion are probed in search for dynamical instabilities triggered relative superfluids that could be potential relevance to observational fea...