Conference Proceedings Paper
Optimization of Thorium-Uranium Content in a 54-Element Fuel Bundle for use in a CANDU-SCWR
International Conference on the Future of Heavy Water Reactors - 2011 October 02-05
D.W. Hummel (McMaster University)
David R. Novog (McMaster University)
A new 54-element fuel bundle design has been proposed for use in a pressure-tube supercritical water-cooled reactor, a pre-conceptual evolution of existing CANDU® reactors. Pursuant to the goals of the Generation IV International Forum regarding advancement in nuclear fuel cycles, optimization of the thorium and uranium content in each ring of fuel elements has been studied with the objectives of maximizing the achievable fuel utilization (burnup) and total thorium content within the bundle, while simultaneously minimizing the linear element ratings and coolant void reactivity. The bundle was modeled within a reactor lattice cell using WIMS-AECL, and the uranium and thorium content in each ring of fuel elements was optimized using a weighted merit function of the aforementioned criteria and a metaheuristic search algorithm.
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