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Chernobyl disaster - Increased formation of steam voids in the coolant flowing up through the fuel pressure tubes before the explosion

Time: Saturday Apr 26, 1986 at 01:23:00 AM

Place: Chernobyl, Ukraine, U.S.S.R.

Details: The generators were to have completely picked up the MCPs' power needs by 01:23:43. In the interim, the power for the MCPs was to be supplied by the turbine generator as it coasted down. As the momentum of the turbine generator decreased, so did the power it produced for the pumps. The water flow rate decreased, leading to increased formation of steam voids in the coolant flowing up through the fuel pressure tubes.

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