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Advanced Course in Heat Transfer in Nuclear Reactor Safety
September, 1-5, 1980, Dubrovnik, Yugoslavia

DOI: 10.1615/ICHMT.1982.AdvCourHeatTransfNucReactSaf


ISBN Print: 978-0-89116-223-0

4.4 Calculations on the Reflooding Process with and without Vent Valves

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