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CFD analysis of primary and secondary sodium flows and associated heat transfer on performance of an intermediate heat exchanger in LMFBR
S. Suyambazhahan, T. Sundararajan,
Published in Inderscience Publishers
Volume: 15
Issue: 3-4
Pages: 201 - 223
CFD analysis was performed in IHX to find the pressure drop and heat transfer between primary and secondary sodium flow using ANSYS 18.1. A similar anisotropic porous technique was used for both primary and secondary flow inside and outside the bank of tubes. A decoupled analysis was performed with prescribed heat source/sink distribution. The distributors and baffles are attached to achieve uniform flow and heat removal in secondary flow. A coupled analysis of the primary and secondary sodium heat exchange is also performed by using the flow field obtained with the distributor. The flow distributor reduced the radial temperature variation <20 K within the bundle region. A 3D sectoral model was analysed and estimated the effects of a mixing device in the secondary flow. The temperature difference again reduced to 7 K at the secondary flow exit, by mixing hot sodium of outer region with that of the inner region. Copyright © 2022 Inderscience Enterprises Ltd.
About the journal
JournalInternational Journal of Nuclear Energy Science and Technology
PublisherInderscience Publishers