Research Article
Verification of the Efficacy of Passive Autocatalytic Recombiners in a Typical Pressurized Water Reactor under a Station Blackout Condition
Table 2
Key input parameters for PAR.
| | Input | Description | References |
| | INEWPAR = 1 | Use new PAR model | | | NFH2MN = 0.005 | Limiting depletion rate of hydrogen volume fraction | SKN 3 and 4 FSAR (Section 6.2.5.2) | | TDHPAR = 300.0 | Start-up (or warm-up) time | Reference [30] | | NFHSTB = 0.02 | Minimum hydrogen volume fraction to achieve the start-up time | SKN 3 and 4 FSAR (Section 6.2.5.2) | | ILAWPAR = 1 | Recombination law for a recombiner
(1) Use Siemens 98 law
(2) Use Siemens 93 law | | | NH2MAXSIEM = 0.08 | Hydrogen fraction limiting the recombination rate for SIEMENS type PAR | SKN 3 and 4 FSAR (Section 6.2.5.2) | | NH2STARTSIEM = 0.02 | Minimum hydrogen fraction for cold starting for SIEMENS type PAR | | | NH2STOPSIEM = 0.005 | Minimum hydrogen fraction for hot ending for SIEMENS type PAR | |
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