After the Fukushima disaster and public concern about the performance of the existing safety mechanisms in
present nuclear power plants, it is timely to devise new techniques to upgrade the safety levels of plants operation, particularly
during shutdown and/or after natural disasters. In the recent years, significant patents have been devoted to developing
the safety levels to secure the nuclear reactors. Here, several techniques are proposed which may be unified to design
and construct a robust safety network capable of preventing core meltdowns of the potential disasters.
Keywords: DIAL, dry ice-heat exchanger, earthquake, ECCS, LIBS, Phoswich, reactor accidents, thermal imaging, tsunami
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