Crucible-type core catcher for VVER-1000 reactor

• For new designs of NPPs with VVER-1000 reactors a crucible-type core catcher has been developed to stabilize and cool down molten corium in the reactor pit. The paper addresses distinguishing features of the concept including the "sacrificial" material and the core catcher design. Main phenomena in the catcher have been analyzed.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Energiteknik (hsv//swe)

ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Energy Engineering (hsv//eng)

Keyword

Cooling systems

Nuclear power plants

Structural design

Core catcher design

Core catchers

Molten corium

Reactor cores

Publication and Content Type

ref (subject category)

kon (subject category)