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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.
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.
The High Flux Isotope Reactor built in 1965 had the highest neutron flux of any reactor at the time. [22] It improved upon the work of the X-10 reactor, producing more medical isotopes as well as allowing higher fidelity of materials research. [22]
Californium-252 from HFIR is used to treat brain and cervical cancers, to start up nuclear reactors, to help find belowground oil or gas and to detect hidden explosives and landmines.
The High Flux Isotope Reactor (HFIR) @ ORNL [41] 100/202 The Spallation Neutron Source (SNS) @ ORNL [42] 450/483 Fusion Energy Sciences (FES) [43] Fusion Facilities The DIII-D (tokamak) National Fusion Facility @ General Atomics [44] NA/429 National Spherical Torus Experiment (NSTX) @ PPPL [45] 300/358 High Energy Physics (HEP) [46]
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 High Flux Isotope Reactor (HFIR) at ORNL in Oak Ridge, Tennessee, started producing small batches of californium in the 1960s. [38] By 1995, HFIR nominally produced 500 milligrams (0.018 oz) of californium annually. [39]
The neutron sources are spallation sources or reactors that provides users with neutron beams for a variety of experiments. Spallation Neutron Source (SNS) High flux Isotope Reactor (HFIR)