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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.
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.
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.
The title of her talk at noon to Friends of ORNL at the UT Resource Center, 1201 Oak Ridge Turnpike, is “Actinide Separations Tailored for Californium-252, Plutonium-238 and Promethium-147 ...
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.
A cost index is the ratio of the actual price in a time period compared to that in a selected base period (a defined point in time or the average price in a certain year), multiplied by 100. Raw materials, products and energy prices, labor and construction costs change at different rates, and plant construction cost indexes are actually a ...
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.
Modifications of the reactor control, safety and dosimetry systems (1960, 1976, 1988) converted the RB critical assembly to a flexible heavy water reflected experimental reactor with 1 W nominal power, operable up to 50 W.