Flow Characteristics in Spacer Grids Measured by Rod-embedded Fiber Laser Doppler Velocimetry
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概要
- 論文の詳細を見る
Precise measurement of velocity in fuel bundles is required to improve the thermal-hydraulic properties of Pressurerized Water Reactor (PWR) spacer grids. To better understand the cross-flow characteristics in rod bundles for developing spacer grids, we used the rod-embedded fiber laser Doppler velocimetry (rod LDV) to measure the flow velocities inside the spacer grid flow channels. As the result of measurement, we found that the flow distribution inside the spacer grid depends on the local flow resistance of the grid straps and is clearly affected by the presence of a mixing vane. We also clarified the relationship between cross-flow velocity in the fuel bundle downstream of the spacer grid and the axial flow inside the spacer grid.
- 一般社団法人 日本原子力学会の論文
- 2007-02-25
著者
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IKEDA Kazuo
Nuclear Development Corporation
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Ikeda Kazuo
Nuclear Dev. Corp.
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Hoshi Masaya
Mitsubishi Heavy Industries Ltd.
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Hoshi Masaya
Mitsubishi Heavy Industries Ltd
関連論文
- Development of Sub-Channel Analysis Tool for TRU Fuel Fabrication
- Development of Sub-Channel Analysis Tool for TRU Fuel Fabrication
- Development of Rod-embedded Fiber LDV to Measure Velocity in Fuel Rod Bundles
- ICONE11-36317 VOID DISTRIBUTION ANALYSIS WITH HIGH-SPEED X-RAY CT SCANNER FOR DESIGN OF PWR GRID SPACER
- ICONE11-36087 DEVELOPMENT OF CFD ANALYSIS TO ESTIMATE FLOW BEHAVIOR OF PWR GRID SPACER
- Flow Characteristics in Spacer Grids Measured by Rod-embedded Fiber Laser Doppler Velocimetry
- Development of Mitsubishi High Thermal Performance Grid : CFD Applicability for Thermal Hydraulic Design(Special Issue on International Conference on Power and Energy System)