three_mile_island_research.docx - Nuclear Disasters...

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Nuclear Disasters Research ProjectThree Mile Island, Pennsylvania, U.S.A. Nomar, Peter, Megan and TaliaNomar - Location and DateLocation: Exelon Three Mile Island Nuclear Generating Station, PADates: Mar 28, 1979 – Nov 6, 1980Nomar- How it happened and the causeIn the early morning hours of March 28, 1979, a mechanical or electric failure set off an unlikely series of events that led to a partial meltdown at the Unit 2 reactor. Water pumps that helped to cool the radioactive fuel in the reactor core malfunctioned. Plant staff didn’t realize the reactor was experiencing a loss of coolant and took a series of actions that made the problem worse. These further starved the reactor core of water flow and caused it to overheat.The nuclear fuel began to melt through its metal container—about half the reactor core melted. Trace amounts ofradioactive gasses escaped into the surrounding community as a geyser of steam erupted from

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