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4.4 Calculations on the Reflooding Process with and without Vent Valves

DOI: 10.1615/ICHMT.1982.AdvCourHeatTransfNucReactSaf.400
pages 643-652

J. Schwager
TUV Rheinland, Cologne

W. Burchhardt
TUV Rheinland, Cologne

Аннотация

Comparative calculations are performed for the reflooding process after a cold line break in a PWR. It turns out that the maximum cladding temperature of an average fuel rod can be lowered by about 100 K if direct steam flow to the leak through vent valves is made possible. Other parameter changes are of minor importance in this case.

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