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Development of subchannel thermal-hydraulic analysis code for dual cooled annular fuel
, Article Progress in Nuclear Energy ; Volume 150 , 2022 ; 01491970 (ISSN) ; Esmaili, H ; Sharif University of Technology
Elsevier Ltd
2022
Abstract
Regarding the geometric structural characteristics of innovative dual cooled annular fuel and the possibility of heat split and flow distribution among the internal and external channels, the development of new computational tools is essential for estimating safety margins and accurate assessment of its thermal-hydraulic performance. The SADAF code (Subchannel Analysis Dual cooled Annular Fuel) by COBRA-EN code is developed for this purpose. In the SADAF code, using COBRA-EN code for subchannel analysis in internal and external subchannels, a program has been developed to compute new variables that need to be considered in the thermal-hydraulic assessment. Also, fuel heat transfer...