Abstract
The lead Anode (LBE) cooling ADS core is taken as the research object, and the ADS core axial one-dimensional physical thermal coupling model is established. The deterministic method is used to calculate the subcritical flux neutron flux distribution based on Monte Carlo. The method calculates the accelerator beam and the external neutron source generated by the spallation target. The ADS core thermal hydraulic analysis is carried out by a single-channel model, and the fuel elements are respectively divided into nodes in the axial direction and the radial direction, and the influence of thermal feedback on the neutronics characteristics of the subcritical core is considered. The one-dimensional physical thermal coupling model established in this paper can accurately calculate the spatial distribution of key parameters such as neutron flux density, fuel and cladding temperature in ADS core.
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