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Keywords: spacer grid
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Proceedings Papers

Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T05A004, August 4–5, 2020
Paper No: ICONE2020-16121
...Abstract Abstract The fuel rod supporting structure of spacer grid is the key to ensure the horizontal and axial position of the fuel rod. On the purpose of improving the neutron economy and simplifying the manufacturing process of the spacer grid, the innovative curved dimple and arched spring...
Proceedings Papers

Proc. ASME. ICONE2020, Volume 3: Student Paper Competition; Thermal-Hydraulics; Verification and Validation, V003T13A006, August 4–5, 2020
Paper No: ICONE2020-16108
... and turbulent eddies, a new interfacial area transport model has been proposed. Two important impacts on bubble interaction have been taken into account in the new model: the effects of spacer grids with mixing vanes and the impacts of geometry structure. The spacer grids breakup large bubbles into small...
Proceedings Papers

Proc. ASME. ICONE17, Volume 2: Structural Integrity; Safety and Security; Advanced Applications of Nuclear Technology; Balance of Plant for Nuclear Applications, 1-9, July 12–16, 2009
Paper No: ICONE17-75008
... 25 02 2010 A spacer grid is one of the most important structural components in a LWR fuel assembly. The spacer grid, which supports nuclear fuel rods laterally and vertically with a friction grip, is an interconnected array of slotted grid straps welded at the intersections to form...
Proceedings Papers

Proc. ASME. ICONE16, Volume 1: Plant Operations, Maintenance, Installations and Life Cycle; Component Reliability and Materials Issues; Advanced Applications of Nuclear Technology; Codes, Standards, Licensing and Regulatory Issues, 731-736, May 11–15, 2008
Paper No: ICONE16-48957
... 09 07 2009 The most important function of grid springs in a spacer grid is to position the fuel rods appropriately using a friction force and to prohibit the fuel rods from dropping during a normal reactor operation. While the fuel burn-up increases, spring force of grid springs...
Proceedings Papers

Proc. ASME. ICONE16, Volume 4: Structural Integrity; Next Generation Systems; Safety and Security; Low Level Waste Management and Decommissioning; Near Term Deployment: Plant Designs, Licensing, Construction, Workforce and Public Acceptance, 39-43, May 11–15, 2008
Paper No: ICONE16-48144
... 09 07 2009 A spacer grid is one of the most important structural components in a PWR fuel assembly. The spacer grid, which supports nuclear fuel rods laterally and vertically with a friction grip, is an interconnected array of slotted grid straps welded at the intersections to form...
Proceedings Papers

Proc. ASME. ICONE14, Volume 4: Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 255-264, July 17–20, 2006
Paper No: ICONE14-89497
.... 17 09 2008 CFD VVER-440 spacer grid fuel assembly Proceedings of ICONE 14 International Conference on Nuclear Engineering Keywords: 1. INTR The po being pla knowledge important evolution computer hydraulic p become a complex f Institute of Technolog ANSYS C volume me momentum 240 mm...