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Keywords: roughness
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Proceedings Papers

Study on the Influence of Roughness on Fuel Rod Gap Heat Transfer

Weichao Liu, Guoliang Zhang, Changzheng Li, Jin Cao, Shaofang Lin, Xiangang Fu, Lihong Nie, Yongjun Deng
Proc. ASME. ICONE29, Volume 1: Nuclear Plant Operation and Maintenance, Engineering and Modification, Operation Life Extension (OLE), and Life Cycle, V001T01A060, August 8–12, 2022
Paper No: ICONE29-93004
DOI: https://doi.org/10.1115/ICONE29-93004
... transfer. Because the roughness of the outer surface of the pellet and the inner surface of the cladding directly affects the size of the gap, it is necessary to conduct in-depth research on it. The research on the influence of pellet and cladding roughness on pellet-cladding gap heat transfer focuses...
View Paper titled, Study on the Influence of <span class="search-highlight">Roughness</span> on Fuel Rod Gap Heat Transfer
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Topics: Cladding systems (Building), Fuel rods, Heat transfer, Heat transfer coefficients, Surface roughness
Proceedings Papers

The Experimental Research of Surface Characteristics on CHF for the Downward Facing Surface

Bo Lin, Lei Zhang, Dongshan Wei, Junying Xu, Xiangyu Yun, Huiyong Zhang
Proc. ASME. ICONE28, Volume 3: Computational Fluid Dynamics (CFD); Verification and Validation; Advanced Methods of Manufacturing (AMM) for Nuclear Reactors and Components; Decontamination, Decommissioning, and Radioactive Waste Management; Beyond Design Basis and Nuclear Safety; Risk Informed Management and Regulation, V003T12A014, August 4–6, 2021
Paper No: ICONE28-64130
DOI: https://doi.org/10.1115/ICONE28-64130
... surface characteristics in an important factor to increase CHF of downward facing boiling surface. This paper aims to study the influence of the different roughness, surface coating, and surface aging on CHF through the mechanism experiments. An experiment facility combining both pool boiling and flow...
View Paper titled, The Experimental Research of Surface Characteristics on CHF for the Downward Facing Surface
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Topics: Coating processes, Coatings, Critical heat flux, Surface roughness