A novel H-shape fishway with excellent hydraulic characteristics

Fishway design not only takes into account the swimming abilities of target fishes, but also considers the hydrodynamic characteristics within the fishway. In this study, the flow fields of one vertical-slot fishway (i.e. VSF), five T-shape fishways (i.e. TSF-1~TSF-5) and two H-shape fishways (i.e....
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Gespeichert in:

Autor*in:	Zhang Di [verfasserIn] Liu Chunming [verfasserIn] Shi Xiaotao [verfasserIn] Liu Yakun [verfasserIn] Qu Yingmin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	hydraulic characteristics vertical-slot fishway h-shape fishway t-shape fishway turbulent kinetic energy k-omega-sst turbulence model

Übergeordnetes Werk:	In: Journal of Hydrology and Hydromechanics - Sciendo, 2015, 71(2023), 1, Seite 64-79
Übergeordnetes Werk:	volume:71 ; year:2023 ; number:1 ; pages:64-79

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.2478/johh-2022-0026

Katalog-ID:	DOAJ088259390

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520			\|a Fishway design not only takes into account the swimming abilities of target fishes, but also considers the hydrodynamic characteristics within the fishway. In this study, the flow fields of one vertical-slot fishway (i.e. VSF), five T-shape fishways (i.e. TSF-1~TSF-5) and two H-shape fishways (i.e. HSF-1 and HSF-2) are numerically simulated by solving the three-dimensional Reynolds-averaged Navier-Stokes equations and the K-Omega-SST turbulence model. The numerical results clearly indicate that the hydrodynamic properties of HSF-2 are overall superior to the remaining seven cases, in terms of the time-averaged flow pattern, the time-averaged velocity magnitude, the depth-mean time-averaged velocity magnitude along the vertical-slot section, the volume percentages of the time-averaged velocity magnitude less than some critical values, and the distribution of the time-averaged turbulent kinetic energy. Therefore, HSF-2 is more friendly for fishes with relatively smaller sizes and weaker swimming capacities to transfer upstream. The novel HSF-2 is firstly proposed in this paper, and it is naturally designed during the process of improving the flow regime. Furthermore, the generalizability of the superiority of HSF-2 over VSF and the original T-shape fishway (i.e. TSF-1) has been exhibited with the aid of the numerical results of four operating conditions (i.e. Q = 400 L/s, 600 L/s, 800 L/s and 1000 L/s).
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callnumber-first	T - Technology
author	Zhang Di
spellingShingle	Zhang Di misc TC1-978 misc hydraulic characteristics misc vertical-slot fishway misc h-shape fishway misc t-shape fishway misc turbulent kinetic energy misc k-omega-sst turbulence model misc Hydraulic engineering A novel H-shape fishway with excellent hydraulic characteristics
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topic_title	TC1-978 A novel H-shape fishway with excellent hydraulic characteristics hydraulic characteristics vertical-slot fishway h-shape fishway t-shape fishway turbulent kinetic energy k-omega-sst turbulence model
topic	misc TC1-978 misc hydraulic characteristics misc vertical-slot fishway misc h-shape fishway misc t-shape fishway misc turbulent kinetic energy misc k-omega-sst turbulence model misc Hydraulic engineering
topic_unstemmed	misc TC1-978 misc hydraulic characteristics misc vertical-slot fishway misc h-shape fishway misc t-shape fishway misc turbulent kinetic energy misc k-omega-sst turbulence model misc Hydraulic engineering
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title	A novel H-shape fishway with excellent hydraulic characteristics
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title_full	A novel H-shape fishway with excellent hydraulic characteristics
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title_sort	novel h-shape fishway with excellent hydraulic characteristics
callnumber	TC1-978
title_auth	A novel H-shape fishway with excellent hydraulic characteristics
abstract	Fishway design not only takes into account the swimming abilities of target fishes, but also considers the hydrodynamic characteristics within the fishway. In this study, the flow fields of one vertical-slot fishway (i.e. VSF), five T-shape fishways (i.e. TSF-1~TSF-5) and two H-shape fishways (i.e. HSF-1 and HSF-2) are numerically simulated by solving the three-dimensional Reynolds-averaged Navier-Stokes equations and the K-Omega-SST turbulence model. The numerical results clearly indicate that the hydrodynamic properties of HSF-2 are overall superior to the remaining seven cases, in terms of the time-averaged flow pattern, the time-averaged velocity magnitude, the depth-mean time-averaged velocity magnitude along the vertical-slot section, the volume percentages of the time-averaged velocity magnitude less than some critical values, and the distribution of the time-averaged turbulent kinetic energy. Therefore, HSF-2 is more friendly for fishes with relatively smaller sizes and weaker swimming capacities to transfer upstream. The novel HSF-2 is firstly proposed in this paper, and it is naturally designed during the process of improving the flow regime. Furthermore, the generalizability of the superiority of HSF-2 over VSF and the original T-shape fishway (i.e. TSF-1) has been exhibited with the aid of the numerical results of four operating conditions (i.e. Q = 400 L/s, 600 L/s, 800 L/s and 1000 L/s).
abstractGer	Fishway design not only takes into account the swimming abilities of target fishes, but also considers the hydrodynamic characteristics within the fishway. In this study, the flow fields of one vertical-slot fishway (i.e. VSF), five T-shape fishways (i.e. TSF-1~TSF-5) and two H-shape fishways (i.e. HSF-1 and HSF-2) are numerically simulated by solving the three-dimensional Reynolds-averaged Navier-Stokes equations and the K-Omega-SST turbulence model. The numerical results clearly indicate that the hydrodynamic properties of HSF-2 are overall superior to the remaining seven cases, in terms of the time-averaged flow pattern, the time-averaged velocity magnitude, the depth-mean time-averaged velocity magnitude along the vertical-slot section, the volume percentages of the time-averaged velocity magnitude less than some critical values, and the distribution of the time-averaged turbulent kinetic energy. Therefore, HSF-2 is more friendly for fishes with relatively smaller sizes and weaker swimming capacities to transfer upstream. The novel HSF-2 is firstly proposed in this paper, and it is naturally designed during the process of improving the flow regime. Furthermore, the generalizability of the superiority of HSF-2 over VSF and the original T-shape fishway (i.e. TSF-1) has been exhibited with the aid of the numerical results of four operating conditions (i.e. Q = 400 L/s, 600 L/s, 800 L/s and 1000 L/s).
abstract_unstemmed	Fishway design not only takes into account the swimming abilities of target fishes, but also considers the hydrodynamic characteristics within the fishway. In this study, the flow fields of one vertical-slot fishway (i.e. VSF), five T-shape fishways (i.e. TSF-1~TSF-5) and two H-shape fishways (i.e. HSF-1 and HSF-2) are numerically simulated by solving the three-dimensional Reynolds-averaged Navier-Stokes equations and the K-Omega-SST turbulence model. The numerical results clearly indicate that the hydrodynamic properties of HSF-2 are overall superior to the remaining seven cases, in terms of the time-averaged flow pattern, the time-averaged velocity magnitude, the depth-mean time-averaged velocity magnitude along the vertical-slot section, the volume percentages of the time-averaged velocity magnitude less than some critical values, and the distribution of the time-averaged turbulent kinetic energy. Therefore, HSF-2 is more friendly for fishes with relatively smaller sizes and weaker swimming capacities to transfer upstream. The novel HSF-2 is firstly proposed in this paper, and it is naturally designed during the process of improving the flow regime. Furthermore, the generalizability of the superiority of HSF-2 over VSF and the original T-shape fishway (i.e. TSF-1) has been exhibited with the aid of the numerical results of four operating conditions (i.e. Q = 400 L/s, 600 L/s, 800 L/s and 1000 L/s).
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title_short	A novel H-shape fishway with excellent hydraulic characteristics
url	https://doi.org/10.2478/johh-2022-0026 https://doaj.org/article/82c27a4ad31f4073bdf26fde3a5c0545 https://doaj.org/toc/1338-4333
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author2	Liu Chunming Shi Xiaotao Liu Yakun Qu Yingmin
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doi_str	10.2478/johh-2022-0026
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up_date	2024-07-03T16:43:10.361Z
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A novel H-shape fishway with excellent hydraulic characteristics

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