Nuclear reactor core
The center of the reactor where the fuel and control rods are located is called the core. It is the central region where nuclear reactions take place and energy is generated.
The nuclear fuel is found in the fuel rods. These fuel rods are formed into fuel bundles called fuel assemblies, and together they make up the reactor core.
The fuel in a nuclear reactor is located in the fuel rods, which are typically made of materials such as enriched uranium or plutonium. These fuel rods are where the nuclear fission reaction takes place, producing heat that is used to generate electricity.
fuel rods and control rods
It depends on the particular design and the design objectives. One plant that I worked at had 137 control rods, each having four bundles, for a total bundle count of 548 assemblies. Each assembly had 62 fuel rods and two water rods in an 8 x 8 matrix.
In water reactors the fuel rods are clad with zircaloy sheaths
No, but control rods do.
The nuclear fuel rods in the BWR design in Japan are about 12 feet long.
Fuel rods are used to hold pellets of uranium in nuclear reactors. These rods are typically made of a material like zirconium to encase the uranium pellets and control the nuclear fission reactions within the reactor.
in the body
Fuel rods produce heat for a few years while inside a nuclear reactor. After that, they need to be replaced with fresh fuel rods to continue generating heat efficiently.
Fuel rods in a nuclear reactor start to heat up as soon as the nuclear fission process begins. This process generates heat through the splitting of atoms within the fuel rods, leading to an increase in temperature.