The thermal hydraulic phenomenon in tight lattice bundles: A review

Yan, Bing

doi:10.1016/j.anucene.2018.11.037

Cited by 16 publications

(1 citation statement)

References 70 publications

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“…Since the 1950s, experimental studies have been conducted on the flow and heat transfer characteristics of rod-bundle cells, which have been widely used in engineering practice [1] . The quasi-periodic largescale vortex structure (QLVS) contributes significantly to mass, momentum, and energy exchange in the rod bundle lattice and can enhance flow mixing and heat transfer capability [2] .…”

Section: Introductionmentioning

confidence: 99%

Influence of Micro Ribs Segment on Quasi-periodic Large-scale Vortex Structure in 4 Rod Bundle Lattices

Ma,

Chen,

Xiao

2023

J. Phys.: Conf. Ser.

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Rod bundle lattices play a crucial role in nuclear reactors, steam generators, and heat exchangers. The inclusion of quasi-periodic large-scale vortex structures (QLVS) can enhance flow mixing between the channels of the rod bundle and improve the lattice’s heat transfer capability. To study the impact of micro-rib segments on flow and heat transfer in the lattice, the Reynolds stress model (RSM) is utilized. Results reveal that the arrangement of micro-ribs on the rod bundle surface promotes the generation of QLVSs. These micro-rib segments modify the flow field within the lattice, thereby influencing the QLVS. The drag coefficient and heat transfer coefficient of the rod bundle lattice with micro-rib segments show a positive correlation with the length of these segments compared with the standard rod bundle lattice.

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Section: Introductionmentioning

confidence: 99%