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http://dx.doi.org/10.5293/kfma.2012.15.4.005

Cross Flow Characteristics of the Core Simulator in SMART Reactor Flow Distribution Test Facility  

Yoon, Jung (한국원자력연구원 스마트개발본부 기술검증부)
Kim, Young-In (한국원자력연구원 스마트개발본부 기술검증부)
Chung, Young-Jong (한국원자력연구원 스마트개발본부 기술검증부)
Lee, Won-Jae (한국원자력연구원 스마트개발본부 기술검증부)
Publication Information
The KSFM Journal of Fluid Machinery / v.15, no.4, 2012 , pp. 5-11 More about this Journal
Abstract
To identify the flow characteristics of the SMART reactor, a flow distribution model test and a numerical simulation are performed in KAERI. Among several part of the SMART reactor, the fuel assemblies are simulated using simulators because of the complexity. The geometries of the core in the SMART reactor and simulator are different, but some similarities are maintained such as the ratio of pressure drop in the vertical and cross directions. There are cross flow holes in each core simulator to reproduce the cross flow of SMART fuel assemblies. To know the flow characteristics of the cross flow, numerical analysis is performed. As the cross flow area is decreased, the pressure drop between inlet and outlet is decreased. Also, when the flow imbalance between two core simulators is constant, the cross flow area does not significantly affect the cross flow.
Keywords
SMART; Flow distribution test facility; Fuel assembly; Core simulator; Cross flow; Perforated plate; CFD;
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