PARCS cross-section library generator; part one: Development and verification

Porhemmat, M.H.; Hadad, Kamal; Faghihi, F.

doi:10.1016/j.pnucene.2014.08.008

Cited by 17 publications

(3 citation statements)

References 13 publications

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“…This indicates that the AP1000 core has a stronger temperature effect after the use of boron-containing coolant. Table 6 shows the results of the temperature effect in the hot zero power (HZP) and cold zero power (CZP) states calculated from the analysis [29].…”

Section: Reactivity Temperature Coefficientmentioning

confidence: 99%

Research on Neutronics Safety Parameters of the AP1000 Nuclear Reactor under Different Conditions

Niu,

Liu,

Dong

et al. 2023

Energies

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Changes in temperature during reactor operation may cause changes in physical parameters, leading to core overheating and accidents. It is essential to analyze and assess the safety parameters of the core under different operating conditions. This paper investigates the effects of fuel temperature, moderator density, boron concentration, and control rod state on AP1000 safety parameters. The study uses RMC and NJOY to calculate the changes in reactivity factor, effective delayed neutron fraction, and neutron generation time of the AP1000 reactor under different operating conditions. The changes in reactivity coefficients, neutron fluxes, and relative power densities of AP1000 reactors are analyzed for normal and accidental operating conditions. The results indicated that the reactivity coefficient remained negative under accident conditions, which ensured the safe operation of the reactor. The delayed neutron fraction, neutron flux, and power density distributions are affected by fuel temperature, moderator density, and control rod position. The control rod worth was sufficient for the emergency shutdown of the reactor under accidental conditions. It is demonstrated that the operation of the AP1000 reactor under study conditions is safe and controllable.

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Section: Reactivity Temperature Coefficientmentioning

confidence: 99%

Research on Neutronics Safety Parameters of the AP1000 Nuclear Reactor under Different Conditions

Niu,

Liu,

Dong

et al. 2023

Energies

View full text Add to dashboard Cite

show abstract

“…In our previous work, we developed SARCS library generator for Cold Zero State and Hot Zero Power of BNPP (Porhemmat et al, 2015). The goal of present SARCS development is to produce PMAXS library for fast and quasi-transients of LWRs.…”

Section: Introductionmentioning

confidence: 99%

“…At start, the program receives user input data such as state variables information, number of branches and number of burnup points. Branch definition is described in detail in the previous work (Porhemmat et al, 2015). The state variables could be, but not limited to, control rod status (CR), mean coolant density (DC), poison concentration (PC), mean fuel temperature (TF), and mean coolant temperature (TC).…”

mentioning

confidence: 99%