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;...

The Light Water Reactor Sustainability Program is a U.S. government research and development program. It is directed by the United States Department of...

modeling and simulation program elements Implementing a science-based R&D program The Light Water Reactor Sustainability Program supports national efforts...

A pressurized water reactor (PWR) is a type of light-water nuclear reactor. PWRs constitute the large majority of the world's nuclear power plants (with...

water reactor (PWR). While heavy water is very expensive to isolate from ordinary water (often referred to as light water in contrast to heavy water)...

modular construction. Reactor type and the nuclear processes may vary. Of the many SMR designs, the pressurized water reactor (PWR) is the most common...

A boiling water reactor (BWR) is a type of nuclear reactor used for the generation of electrical power. It is the second most common type of electricity-generating...

attractive because they made more complete use of uranium fuel than light-water reactors, but interest declined after the 1960s as more uranium reserves were...

Canadian pressurized heavy-water reactor design used to generate electric power. The acronym refers to its deuterium oxide (heavy water) moderator and its use...

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

source Generation IV reactor Light Water Reactor Sustainability Program List of books about nuclear issues List of nuclear reactors Lists of nuclear disasters...

A heavy water reactor (HWR) is a type of nuclear reactor which uses heavy water (D2O, deuterium oxide) as a neutron moderator. It may also use this as...

first large-scale reactors were operated at the Hanford Site. The pressurized water reactor design, used in ~70% of commercial reactors, was developed for...

homogeneous substance). The water can be either heavy water or ordinary light water. In a gaseous fission reactor the reaction takes place in a core which is bounded...

to a liquid metal cooled reactor than to a conventional light water cooled reactor. MSR designs are often breeding reactors with a closed fuel cycle—as...

top of the reactor where the three operators were working. As the water struck the top of the reactor vessel, it propelled the entire reactor vessel to...

associated with different reactor types. U-235 is the world's primary nuclear fuel and is usually used in light water reactors. U-238/Pu-239 has found the...

Commons Attribution 4.0 International License. "Light Water Reactor Sustainability Program: Integrated Program Plan" (PDF). Energy.gov. US Dept. of energy...

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...

atomic nucleus. Water (sometimes called "light water" in this context) is the most commonly used moderator (roughly 75% of the world's reactors). Solid graphite...

the neutron temperatures and fuel compositions present in typical light water reactors, with the concentration of 240 Pu steadily rising with longer irradiation...

An organic nuclear reactor, or organic cooled reactor (OCR), is a type of nuclear reactor that uses some form of organic fluid, typically a hydrocarbon...

nuclear service cooling water (NSCW) to safety and auxiliary non-safety components, as well as remove the decay heat from the reactor when the plant is offline...

The Haigerloch research reactor was a German nuclear research facility. It was built in a rock cellar in Hohenzollerischen Lande, Haigerloch early in...

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...

nuclear reactors, specifically the CANDU supercritical water reactor. Concentrated solar power can achieve the high temperatures necessary to split water. Hydrosol-2...

the core, and therefore entering the reactor very close to the boiling point. Unlike other light-water reactor designs, the RBMK design at that time...

announced that in future, the South African nuclear program will concentrate on conventional light water reactors. The NGNP project will continue on HTGRs with...

operation of the thorium-based Light Water Breeder Reactor (LWBR) core installed at the Shippingport Atomic Power Station. The reactor of this power plant was...

was India's first nuclear reactor built at BARC in 1956 to conduct basic research in nuclear physics. It is 1 MWTh light water cooled and moderated swimming...