A NEW SOLUTION APPROACH FOR THE NONLINEAR DYNAMIC MODEL OF MOLTEN SALT REACTORS

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Turkish Journal of Nuclear Sciences
Volume:31 Issue:2
A NEW SOLUTION APPROACH FOR THE NONLINEAR DYNAMIC MODEL OF MOLTEN SALT REACTORS

A NEW SOLUTION APPROACH FOR THE NONLINEAR DYNAMIC MODEL OF MOLTEN SALT REACTORS

Authors : Hüseyin AYHAN

Pages : 93-104

View : 25 | Download : 15

Publication Date : 2019-12-31

Article Type : Research Paper

Abstract :The reactor dynamic modeling of the Molten Salt Reactors is very important due to the circulating liquid fuel in the primary loop. The delayed neutron precursors generated in the core may decay in locations of low importance for criticality and even out of the core. Therefore, determining the amount of the prompt and delayed neutrons and reactivity feedback is very important for the reactor control. In this study, a new reactor dynamics model is proposed to determine these important parameters along with other reactor parameters and transient behavior of the system. The thermal-hydraulic model is adopted differently from the ones available in literature. Point kinetic equations in nonlinear form are linearized and derived in state-space form. A new solution approach for the nonlinear dynamic model of molten salt reactors was obtained in addition to a MATLAB-Simulink model.
Keywords : Molten Salt Reactor MSR, Reactor dynamics, Point kinetics

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