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The High Flux Isotope Reactor (HFIR) is a nuclear research reactor at Oak Ridge National Laboratory (ORNL) in Oak Ridge, Tennessee, United States.Operating at 85 MW, HFIR is one of the highest flux reactor-based sources of neutrons for condensed matter physics research in the United States, and it has one of the highest steady-state neutron fluxes of any research reactor in the world.
The protons pass into a ring-shaped structure, a proton accumulator ring, where they spin around at very high speeds and accumulate in "bunches." Each bunch of protons is released from the ring as a pulse, at a rate of 60 times per second (60 hertz). The high-energy proton pulses strike a target of liquid mercury, where spallation occurs.
ORNL has several of the world's top supercomputers, including Frontier, ranked by the TOP500 as the world's second most powerful. The lab is a leading neutron and nuclear power research facility that includes the Spallation Neutron Source, the High Flux Isotope Reactor, and the Center for Nanophase Materials Sciences.
Laetitia H. Delmau, recipient of the prestigious 2024 Glenn T. Seaborg Actinide Separations Award and a distinguished radiochemist in the Radioisotope Science and Technology Division at Oak Ridge ...
Neutron science, using the Spallation Neutron Source, and the recently upgraded High Flux Isotope Reactor. Synthesis science, also called “science-driven synthesis,” facilitated by extensive and novel synthesis capabilities in the CNMS' first five scientific themes (described below) and by a new nanofabrication research laboratory.
A High Flux Reactor is a type of nuclear research reactor. High Flux Isotope Reactor (HFIR), in Oak Ridge, Tennessee, United States of America, High Flux Australian Reactor (HIFAR), Australia's first nuclear reactor, High-Flux Advanced Neutron Application Reactor (HANARO), in South Korea. The High Flux Reactor at Institut Laue–Langevin in France.
HFIR – High Flux Isotope Reactor, Oak Ridge National Laboratory; SNS – Spallation Neutron Source, Oak Ridge National Laboratory; MURR – University of Missouri Research Reactor, Columbia, MO. MNRC – MacClellan Nuclear Research Center, Sacramento, CA. RPI LINAC - Rensselaer Gaerttner LINAC Center, Troy, NY.
Fusion creates high-energy neutrons as a by-product. These neutrons are in ever increasing demand by the medical industry, where they’re used to develop diagnostic and therapeutic radioisotopes.