A new nonlinear iterative method for SPN theory

Pan, Qingquan; Lu, Hongbin; Li, Dongsheng; Wang, Kan

doi:10.1016/j.anucene.2017.07.030

Cited by 12 publications

(1 citation statement)

References 6 publications

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“…A novel fish pass structure with a V-shaped weir layout on the plan view is devised. The investigation is made with the help of numerical modeling, which is commonly used in solving engineering problems (Pan et al, 2017;Pan & Wang, 2020). For instance, Mosavi et al (2019) study the multi-inputs bubble column reactor using computational fluid dynamics (CFD) and machine learning approaches.…”

Section: Introductionmentioning

confidence: 99%

Flow features in a pooled fishway with V-shaped weir formation

Yang

et al. 2020

Engineering Applications of Computational Fluid Mechanics

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A pooled fishway is an artificial structure to improve the river flow connectivity and facilitate fish migration. Its conventional layout is characterized by straight weirs and suffers from limited passage rate. To improve its flow behaviors, an alternative design, featuring a V-shaped weir arrangement, is devised. CFD simulations are performed to examine its effects on the flow conditions. The governing geometrical parameters include weir angling, height, and spacing. Depending on weir arm angle, the flow is directed towards either the channel's central part or the sidewalls, leading to both acrossand along-channel differences in flow velocity and turbulent kinetic energy. This offers conducive zones for multiple fish species with distinct swimming preferences. For a given location in a pool, the cross-sectional velocity exhibits a cosine-type variation; a relationship is established to predict the maximum longitudinal velocity. The pressure distribution exhibits a similar pattern, with highpressure areas residing upstream of the weir. A power law describes the relationship between the energy dissipation rate and unit discharge with an exponent at approximately 2/3. With an increase in either weir spacing or height, the energy dissipation rate declines. A change in weir angle shows however a negligible influence on it.

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Section: Introductionmentioning

confidence: 99%