Numerical Simulation of Fluid Flow and Heat Transfer of Supercritical Fluids in Fuel Bundles

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概要

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• A supercritical water-cooled reactor (SCWR) was proposed as a kind of generation IV reactor in order to improve the efficiency of nuclear reactors. Although investigations on the thermal-hydraulic behavior in SCWR have attracted much attention, there is still a lack of CFD study on the heat transfer of supercritical water in fuel channels. In order to understand the thermal-hydraulic behavior of supercritical fluids in nuclear reactors, the local fluid flow and heat transfer of supercritical water in a 37-element fuel bundle has been studied numerically in this work. Results show that secondary flow appears and the cladding surface temperature (CST) is very nonuniform in the fuel bundle. The maximum cladding surface temperature (MaxCST), which is an important design parameter for SCWR, can be predicted and analyzed using the CFD method. Due to a very large circumferential temperature gradient in cladding surfaces of the fuel bundle, the precise cladding temperature distributions using the CFD method is highly recommended.

• 一般社団法人 日本原子力学会の論文

著者

• ZHANG Yina

  Department of Mechanical and Materials Engineering, The University of Western Ontario

• ZHANG Chao

  Department of Mechanical and Materials Engineering, The University of Western Ontario

• JIANG Jin

  Department of Electrical and Computer Engineering, The University of Western Ontario

• Jiang Jin

  Department Of Electrical And Computer Engineering The University Of Western Ontario

関連論文

• Numerical Simulation of Heat Transfer of Supercritical Fluids in Circular Tubes Using Different Turbulence Models
• Robust Solution of Stochastic Linear Complementarity Problems(Mathematics of Optimization : Methods and Practical Solutions)
• Probabilistic Safety Assessment for Instrumentation and Control Systems in Nuclear Power Plants : An Overview
• Numerical Simulation of Heat Transfer of Supercritical Fluids in Circular Tubes Using Different Turbulence Models
• Numerical Simulation of Fluid Flow and Heat Transfer of Supercritical Fluids in Fuel Bundles
• Numerical Simulation of Fluid Flow and Heat Transfer of Supercritical Fluids in Fuel Bundles

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