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2. Gas-cooled fast reactor - Wikipedia

   en.wikipedia.org/wiki/Gas-cooled_fast_reactor

   The projected increase in uranium price did not materialize, but if uranium demand increases in the future, then there may be renewed interest in fast reactors. The GFR base design is a fast reactor, but in other ways similar to a high temperature gas-cooled reactor. It differs from the HTGR design in that the core has a higher fissile fuel ...

3. MBIR - Wikipedia

   en.wikipedia.org/wiki/MBIR

   The MBIR is a multi-loop research reactor capable of testing lead, lead-bismuth and gas coolants, and run on MOX fuel. MBIR intends to replace the old BOR-60 experimental fast reactor that started operations at RIAR's site in 1969. It will have a design life of 50 years. [3]

4. Direct energy conversion - Wikipedia

   en.wikipedia.org/wiki/Direct_energy_conversion

   A gyrotron converter first guides fusion product ions as a beam into a 10-meter long microwave cavity filled with a 10-tesla magnetic field, where 155 MHz microwaves are generated and converted to a high voltage DC output through rectennas. The Field-Reversed Configuration reactor ARTEMIS in this study was designed with an efficiency of 75% ...

5. Fast-neutron reactor - Wikipedia

   en.wikipedia.org/wiki/Fast-neutron_reactor

   The BN-350 fast-neutron reactor at Aktau, Kazakhstan.It operated between 1973 and 1994. A fast-neutron reactor (FNR) or fast-spectrum reactor or simply a fast reactor is a category of nuclear reactor in which the fission chain reaction is sustained by fast neutrons (carrying energies above 1 MeV, on average), as opposed to slow thermal neutrons used in thermal-neutron reactors.

6. Integral fast reactor - Wikipedia

   en.wikipedia.org/wiki/Integral_fast_reactor

   The integral fast reactor (IFR), originally the advanced liquid-metal reactor (ALMR), is a design for a nuclear reactor using fast neutrons and no neutron moderator (a "fast" reactor). IFRs can breed more fuel and are distinguished by a nuclear fuel cycle that uses reprocessing via electrorefining at the reactor site.

7. Lead-cooled fast reactor - Wikipedia

   en.wikipedia.org/wiki/Lead-cooled_fast_reactor

   Lead cooled fast reactor scheme. The lead-cooled fast reactor is a nuclear reactor design that uses molten lead or lead-bismuth eutectic coolant.These materials can be used as the primary coolant because they have low neutron absorption and relatively low melting points.