CUED Publications database

Fuel cycle analysis of multi-batch operation of a denatured molten salt reactor

Trinh, NK and Parks, G and Kotlyar, D and Fiorina, C (2016) Fuel cycle analysis of multi-batch operation of a denatured molten salt reactor. In: UNSPECIFIED pp. 2198-2206..

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As the global need for low carbon energy sources increases exponentially, nuclear power plants are considered to be a vital part of many countries' energy mix in the future. However, in order to gain public acceptance, nuclear reactors need to be more affordable while maintaining safety and proliferation resistance. The Molten Salt Reactor (MSR) is a Generation IV concept that utilises liquid fuel in the form of molten halides. Compared to traditional solid-fuelled reactors, it has several advantages including improved safety and reduced fuel requirements. At present, the most complicated element of the design of a MSR is arguably the chemical processing of the fuel salt. Thus, the Denatured Molten Salt Reactor (DMSR), a design that omits this stage, should be significantly simpler to develop. This advantage is achieved at the expense of higher fuel requirements compared to the original design. This study investigates the fuel performance of a multi-batch DMSR in comparison with a single-batch scheme using the Monte-Carlo reactor physics code Serpent and the multiphysics solver OpenFoam. It is envisaged that the introduction of batch operation will improve the fuel utilisation, and an optimal arrangement of batches will strike a balance between fuel performance, reactor availability and plant complexity.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions: Div A > Energy
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:39
Last Modified: 22 May 2018 07:38