Abstract
In this paper, the Accelerator Driven Subcritical Reactor (ADSR) was simulated based on the structure of the TRIGA-Mark II reactor by the MCNPX program. The proton beam interacts on the Pb-Bi molten target with various energy levels from 0.5 GeV to 2.0 GeV. The important neutron parameters to evaluate the operability of ADSR were calculated as: the neutron yields according to various thicknesses of the target and according to the energy of the incident proton beam; the effective neutron multiplication factor for various fuel mixtures, along with its stability for some fuel mixtures; the axial and radial distributions of the neutron flux along with the height and radius of the core. The obtained results had shown a good agreement in using Pb-Bi molten as the interaction target and coolant for ADSR.
Highlights
The Accelerator-Driven Subcritical Reactor (ADSR) is a great research interest in the world since it was suggested back by many authors, such as C
The results have shown that the neutron yield from molten Pb-Bi target increases withThe theresults incident proton beam similar themolten case ofPb-Bi solid target lead and liquidwith lead have shown that intensity, the neutron yield to from increases targets
From 12 cm, the neutron fluxes continued to decrease but slower than at the beginning. These results showed that the neutron fluxes for the molten Pb-Bi target using the mixed fuel cases F2, F3, F5, F7 were very high and suitable for the operation of ADSR
Summary
The Accelerator-Driven Subcritical Reactor (ADSR) is a great research interest in the world since it was suggested back by many authors, such as C. The group of authors Hasanzadeh et al used the MCNP program to perform simulation of Moroccan TRIGA-Mark II Reactor and calculate Neutrons Kinetic and Parameters [6,7] In these studies, the coolant was light water. These results showed that the neutron yields on the molten Pb-Bi target by thickness cm. The highest difference was at the thickness of 50 cm with 9.5% and the lowest at the thickness of 10 cm with 8.3% With these the use of Pb-Bi-liquid as a of neutron-generating in ADSR is completely with results, 8.3%. Results furtherbeam confirmed the possibility using difference waslead when compared withThese the case of proton intensity of 2.0 GeV,ofon the molten Pb-Bi for ADSR
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