Description of 3D calculations of decay heat and thermal hydraulic equations

Grundmann, Ulrich

Description of 3D calculations of decay heat and thermal hydraulic equations

Grundmann, U.

The decay heat model implemented in the three-dimensional core model DYN3D is described. The equations solved in DYN3D for transport of the coolant and the heat conduction in the fuel rods are presented. The solution scheme is outlined.

Keywords: decay heat; nuclear reactor; transient caslculation; thermal hydraulics; coolant flow; heat transfer; heat conduction; fuel temperature

Invited lecture (Conferences)
IAEA Workshop on Neutronic Analyses of BNPP-1 Reactor Core. Task 7.8 of IRA4035", 10.-14.10.2005, Wien, Österreich

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