Corium, the molten core material generated during severe nuclear reactor accidents, presents complex challenges in terms of its behaviour and the associated heat transfer mechanisms.

Corium has the consistency of lava and is made up of many things, including nuclear fuel, ... The Elephant’s Foot is a large mass comprised of black corium and has many layers.

35 years ago, during the catastrophic reactor core meltdown at the Chernobyl Nuclear Power Station, a dangerously radioactive variety of lava, named corium, formed.