tailieunhanh - Sensitivity analyses of the use of different neutron absorbers on the main safety core parameters in mtr type research reactor

In this paper, three types of operational and industrial absorbers used at research reactors, including Ag-In-Cd alloy, B4C, and Hf are selected for sensitivity analyses. Their integral effects on the main neutronic core parameters important to safety issues are investigated. These parameters are core excess reactivity, shutdown margin, total reactivity worth of control rods, thermal neutron flux, power density distribution, and Power Peaking Factor (PPF). The IAEA 10 MW benchmark core is selected as the case study to verify calculations. A two-dimensional, three-group diffusion model is selected for core calculations. | Sensitivity analyses of the use of different neutron absorbers on the main safety core parameters in mtr type research reactor

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