Loss-Of-Coolant Accident. A LOCA is a hypothetical accident in a [fusion_tooltip title="Pressurised Water Reactor or . In a PWR, the coolant is pumped under high pressure to the reactor core where it is heated by nuclear fission. This heated, high-pressure water circulates through a steam generator where it transfers its thermal energy to a lower-pressure secondary system where steam is generated to drive a turbine. The core outlet temperature of the coolant is at about 330°C and the pressure is about 15.5 MPa. These reactors represent half of the world’s installed capacity." placement="top" trigger="hover" class="" id=""]PWR[/fusion_tooltip] caused by a break in the primary system. This break leads to a pressure drop in the primary system and loss of coolant, which in turn causes the fuel rods to heat up. This heating must remain limited otherwise damage to the fuel rods could compromise core cooling and result in meltdown. The loss-of-coolant accident is used to design the safety injection system, and mechanical components for the primary system and reactor containment.

LOCA - RJH - Jules Horowitz Reactor

LOCA

Loss-Of-Coolant Accident.

A LOCA is a hypothetical accident in a PWR caused by a break in the primary system. This break leads to a pressure drop in the primary system and loss of coolant, which in turn causes the fuel rods to heat up. This heating must remain limited otherwise damage to the fuel rods could compromise core cooling and result in meltdown. The loss-of-coolant accident is used to design the safety injection system, and mechanical components for the primary system and reactor containment.

prestissime2022-03-22T15:40:43+01:0015 February 2022|Lexique GB|