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In this study, conceptual design for primary heat exchanger of the Molten Salt Fast Reactor is made. The design was carried out to remove the produced heat from the reactor developed under the SAMOFAR project. | Heat exchanger design studies for molten salt fast reactor EPJ Nuclear Sci. Technol. 5 12 2019 Nuclear Sciences U. Köse et al. published by EDP Sciences 2019 amp Technologies https doi.org 10.1051 epjn 2019032 Available online at https www.epj-n.org REGULAR ARTICLE Heat exchanger design studies for molten salt fast reactor Uğur Köse1 Ufuk Koç1 Latife Berrin Erbay2 Erdem Öğüt3 and Hüseyin Ayhan1 1 FİGES Engineering R amp D Center Nuclear Technology Department 06690 Ankara Turkey 2 Eskişehir Osmangazi University Mechanical Engineering Department 26040 Eskişehir Turkey 3 FİGES Engineering Teknopark-İstanbul Additive Manufacturing Systems Department 34906 İstanbul Turkey Received 15 February 2019 Received in final form 8 July 2019 Accepted 20 September 2019 Abstract. In this study conceptual design for primary heat exchanger of the Molten Salt Fast Reactor is made. The design was carried out to remove the produced heat from the reactor developed under the SAMOFAR project. Nominal power of the reactor is 3 GWth and it has 16 heat exchangers. There are several requirements related to the heat exchanger. To sustain the steady-state conditions heat exchangers have to transfer the heat produced in the core and it has to maintain the temperature drop as much as the temperature rise in the core due to the fission. It should do it as fast as possible. It must also ensure that the fuel temperature does not reach the freezing temperature to avoid solidification. In doing so the fuel volume in the heat exchanger must not exceed the specified limit. Design studies were carried out taking into account all requirements and final geometric configurations were determined. Plate type heat exchanger was adopted in this study. 3D CFD analyses were performed to investigate the thermal-hydraulic behavior of the system. Analyses were made by ANSYS-Fluent commercial code. Results are in a good agreement with limitations and requirements specified for the reactor designed under the SAMOFAR .
