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Calculation of the activity of fission products in the primary coolant of the eastern-type pressurized water reactor (VVER1000-V446) of the Bushehr Nuclear Power Plant at normal full power operational condition |
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| Affiliation: | 1. Department of Nuclear Engineering, Faculty of Advanced Sciences and Technologies, University of Isfahan, Isfahan, Iran;2. Department of Materials Engineering, Malek Ashtar University of Technology, Shahin Shahr, Isfahan, Iran;3. Institute of Nuclear Science and Technology, P.O. Box 14395-836, Tehran, Iran;1. Department of Aerospace Engineering, Malek-Ashtar University of Technology, Tehran, Iran;2. Department of Mechanical Engineering, Babol University of Technology, Babol, Iran;1. North China Electric Power University, Beijing, China;2. School of Nuclear Science and Engineering, North China Electric Power University, Beijing, China;1. Department of Nuclear Engineering, School of Mechanical Engineering, Shiraz University, Shiraz, Iran;2. Radiation Research Center, Shiraz University, Shiraz, Iran |
| Abstract: | Calculation of the primary circuit's coolant activation due to fission products (FPs) has been investigated for the eastern-type pressurized water reactor (VVER1000-V446). The reactor has been considered under normal full power operational condition for the first fuel cycle. Determination of the reactor coolant activity is based on time-dependent fission product core inventories. ORIGEN2.1 code has been used to determine the time-dependent fission product core inventories. The fission products activity in the primary coolant is calculated using a set of ordinary differential equations (ODEs) which governs the FPs concentration in the primary coolant. Results for 87 FPs have been calculated. The results of these calculations have been found to agree well with the corresponding available values found in the Final Safety Analysis Report (FSAR) of the Bushehr Nuclear Power Plant (BNPP). |
| Keywords: | Activity First fuel cycle Fission products Pressurized water reactor Primary circuit's coolant |
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