Sodium-cooled fast reactor - Wikipedia
A 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, one based on existing liquid metal cooled reactor (LMFR) technology using mixed oxide fuel (MOX), and one based on the metal-fueled integral fast reactor.
Liquid Sodium - an overview | ScienceDirect Topics
Liquid sodium (Na) has a very wide range of operational temperature (371–1155 K) and chemically stable up to near 1173 K with high thermal conductivity (Liu et al., 2019; Pacio et al., 2013).
Sodium - Wikipedia
In the liquid form, every sodium atom is free and mobile to instantaneously combine with any available oxygen atom or other oxidizer, and any gaseous by-product will be created as a rapidly expanding gas bubble within the molten mass. Even a minute amount of water can create this type of reaction.
Sodium and NaK – Reactor Coolant - Nuclear Power for Everybody
Liquid sodium is used as a heat transfer fluid in some types of nuclear reactors because it has the high thermal conductivity and low neutron absorption cross-section required to achieve a high neutron flux in the reactor. The high thermal conductivity properties effectively create a reservoir of heat capacity, which provides thermal inertia ...
Sodium | Facts, Uses, & Properties | Britannica
2024年9月19日 · In many organic applications, sodium is used in the form of dispersions in hydrocarbon liquid media. Molten sodium is an excellent heat-transfer fluid, and, because of this property, it has found use as coolant in liquid-metal fast breeder reactors .
Can Sodium Save Nuclear Power? - Scientific American
2014年10月13日 · Liquid sodium is better than water at evacuating heat from the reactor core and its high boiling point of about 900 degrees Celsius allows SFRs to operate close to atmospheric pressure, negating...
Sodium-cooled fast reactors and the future of nuclear energy - Phys.org
2021年10月22日 · In SFRs the fission chain reaction is sustained by fast neutrons with an energy of around 1 MeV, and the reactor is cooled by liquid sodium. The technology is currently in use in several...
Liquid Sodium - an overview | ScienceDirect Topics
Sodium is a well-known low-melting-point (97.7°C) alkali metal, which has the main advantages of high thermal conductivity and low neutron absorption cross-section. Also, the relatively high boiling point (882.8°C) of sodium allows a reactor to operate at pressures close to ~ 0.1 MPa.
Review on heat transfer and flow characteristics of liquid sodium …
2018年4月1日 · Single-phase liquid sodium as a kind of ideal coolant is widely applied in the fields of nuclear reactor engineering, aerospace, solar energy and industrial waste heat utilization, due to the good heat transfer and flow characteristics.
Liquid sodium is particularly interesting from a scientific and technological point of view. For example, it is used as coolant in fast-breeding nuclear reactors, and in heat pipes in high-temperature solar-energy power plants, thanks to its large thermal conductivity, which makes it a very effective heat-transfer medium.