2000
DOI: 10.13182/nt00-a3135
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Mitigation Measures Following a Loss-of-Residual-Heat-Removal Event during Shutdown

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Cited by 3 publications
(2 citation statements)
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“…The influence of coolant and wall temperature inside the pressurizer on the plant behavior can be observed by comparing experiments E3. 1 Under the conditions exposed in Table 1, all the experiments start when the RHR fails. Due to the residual heat generated in the core, there is a rise in the core temperature and void formation in the core starts, with an associated increase in the primary pressure, so primary coolant comes out from the vessel towards the steam generator U-tubes, which act as heat sink.…”
Section: Pkl Experiments Descriptionmentioning
confidence: 99%
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“…The influence of coolant and wall temperature inside the pressurizer on the plant behavior can be observed by comparing experiments E3. 1 Under the conditions exposed in Table 1, all the experiments start when the RHR fails. Due to the residual heat generated in the core, there is a rise in the core temperature and void formation in the core starts, with an associated increase in the primary pressure, so primary coolant comes out from the vessel towards the steam generator U-tubes, which act as heat sink.…”
Section: Pkl Experiments Descriptionmentioning
confidence: 99%
“…Under these conditions, the residual heat removal (RHR) system is used to extract the decay power heat generated in the reactor core. Some accidental situations may occur in midloop conditions that have a significant contribution to the plant risk, and all involve the loss of the RHR system [1]. In fact, the loss of RHR has occurred several times in pressurized water reactor plants [2,3].…”
Section: Introductionmentioning
confidence: 99%