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Czasopismo Techniczne

The impact of deepening the stilling basin on the characteristics of hydraulic jump

Data publikacji: 22.03.2018

Czasopismo Techniczne, 2018, Volume 3 Year 2018 (115), s. 173 - 186

https://doi.org/10.4467/2353737XCT.18.046.8341

Autorzy

Tomasz Siuta
Department of Hydraulics and Hydrology, Faculty of Environmental Engineering, Cracow University of Technology
Wszystkie publikacje autora →

Abstrakt

In this article, the results of computational fluid dynamic (CFD) modelling of the hydraulic jump conditions occurring in the experimental prismatic rectangular stilling basin with sudden crosswise expansion are presented. The FLOW 3D software program was used to numerically solve Reynolds Navier-Stokes (RANS) equations with the application of the k-ε turbulence model. The influence of the depth magnitude of the stilling basin and the ending sill installation on the hydraulic jump turbulent characteristics and submergence condition changes was investigated. Based on the results of the numerical modelling, it was found that various spatial flow processes contribute to the submergence condition of the hydraulic jump. These processes include: crosswise flow expansion within the stilling basin; local tail water surface level increase and total head loss due to vertical flow contraction; installation of the additional terminal sill. This contribution to the submergence condition allows a reduction in the required depth of the stilling basin, calculated on the basis of a one-dimensional simplified approach without consideration to the spatial characteristic of the hydraulic jump.

Bibliografia

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Informacje

Informacje: Czasopismo Techniczne, 2018, s. 173 - 186

Typ artykułu: Oryginalny artykuł naukowy

Tytuły:

Angielski:

The impact of deepening the stilling basin on the characteristics of hydraulic jump

Autorzy

Department of Hydraulics and Hydrology, Faculty of Environmental Engineering, Cracow University of Technology

Publikacja: 22.03.2018

Status artykułu: Otwarte __T_UNLOCK

Licencja: Żadna

Udział procentowy autorów:

Tomasz Siuta (Autor) - 100%

Korekty artykułu:

-

Języki publikacji:

Angielski

Liczba wyświetleń: 2529

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