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...

nuclear reactor because most fissile fuel has a higher reaction rate with thermal neutrons. Fast neutrons can be rapidly changed into thermal neutrons via...

engineering, a neutron moderator is a medium that reduces the speed of fast neutrons, ideally without capturing any, leaving them as thermal neutrons with only...

a fast reactor needs no moderator to slow down the neutrons at all, taking advantage of the fast neutrons producing a greater number of neutrons per...

sodium-cooled fast reactor is a fast neutron reactor cooled by liquid sodium. The initials SFR in particular refer to two Generation IV reactor proposals...

the reactor's fuel, moderator and structure, which is much lower energy than the fast neutrons initially produced by fission.) A fast-neutron reactor, on...

using control rods and neutron moderators to regulate the number of neutrons that continue the reaction, ensuring the reactor operates safely, although...

and fast-neutron reactors. To date, most fast neutron reactors have been liquid metal cooled and so are called liquid metal cooled fast reactors (LMFRs)...

these reactors operate with fast neutrons. The concept is generally similar to sodium-cooled fast reactors, and most liquid-metal fast reactors have used...

The BN-800 reactor (Russian: реактор БН–800) is a sodium-cooled fast breeder reactor, built at the Beloyarsk Nuclear Power Station, in Zarechny, Sverdlovsk...

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...

Energy Multiplier Module Fast breeder reactor Fast neutron reactor Generation IV reactor PBMR Very high temperature reactor HTR-10 HTR-PM Fouquet, Doug...

the gas-cooled fast reactor (GFR), the lead-cooled fast reactor (LFR), the molten salt reactor (MSR), the sodium-cooled fast reactor (SFR), the...

light-water reactor (LWR) is a type of thermal-neutron reactor that uses normal water, as opposed to heavy water, as both its coolant and neutron moderator;...

such as nuclear reactors, a neutron poison (also called a neutron absorber or a nuclear poison) is a substance with a large neutron absorption cross-section...

still a common neutron source. The neutrons in nuclear reactors are generally categorized as slow (thermal) neutrons or fast neutrons depending on their...

water as both coolant and neutron moderator. Most use anywhere from two to four vertically mounted steam generators; VVER reactors use horizontal steam generators...

a fast neutron reactor, thereby combining the established and proven technology of light water reactors with the desired features of fast neutron reactors...

The China Experimental Fast Reactor (CEFR) is China's first fast nuclear reactor, and is located outside Beijing at the China Institute of Atomic Energy...

Some designs are compatible with fast neutrons, which can "burn" transuranic elements such as 240 Pu, 241 Pu (reactor grade plutonium) from LWRs. An MSR...

The neutron flux is a scalar quantity used in nuclear physics and nuclear reactor physics. It is the total distance travelled by all free neutrons per...

burnup of fissile material. TWRs differ from other kinds of fast-neutron and breeder reactors in their ability to use fuel efficiently without uranium enrichment...

estimated completion in 2027 Prototype Fast Breeder Reactor – Indian fast breeder nuclear reactor design "Fast Neutron Reactors - article from World-Nuclear"....

pressurized heavy-water reactor (PHWR) is a nuclear reactor that uses heavy water (deuterium oxide D2O) as its coolant and neutron moderator. PHWRs frequently...

system and utilizing a compact fast neutron reactor to produce heat. There are over 400 years of combined fast reactor operational history, including...

it being both consumed by neutron capture and produced from 235 U by fast neutron induced (n,2n) reactions in nuclear reactors. In Oklo any possible deviation...

Neutron scattering is practiced at research reactors and spallation neutron sources that provide neutron radiation of varying intensities. Neutron diffraction...

the world's first fast-neutron reactor, also known as the Los Alamos fast plutonium reactor. It was an experimental-scale reactor. The maximum output...

both energy and free neutrons. A reactor consists of an assembly of nuclear fuel (a reactor core), usually surrounded by a neutron moderator such as regular...

designs include: generation IV, thermal-neutron reactors, fast-neutron reactors, molten salt, and gas-cooled reactor models. Commercial SMRs have been designed...