Zobrazeno 1 - 10
of 375
pro vyhledávání: '"Hydraulic transient"'
Publikováno v:
Water Research X, Vol 25, Iss , Pp 100266- (2024)
Transitions between free-surface and pressurized flows, known as transient mixed flows, have posed significant challenges in urban drainage systems (UDS), e.g., pipe bursts, road collapses, and geysers. However, traditional mechanistic modeling for m
Externí odkaz:
https://doaj.org/article/59a0f82da1e64f46913c1ba0a604d21d
Autor:
Sanghyun Kim
Publikováno v:
Journal of Hydroinformatics, Vol 26, Iss 6, Pp 1385-1395 (2024)
The design factor of surge tank installation is a practical issue in the management of pressurized pipeline systems. To determine the general criteria for surge tank design in pipeline systems, dimensionless governing equations for unsteady flow and
Externí odkaz:
https://doaj.org/article/b60c66ebff264f7793e1c8ac3af6e83b
Publikováno v:
Revista Brasileira de Recursos Hídricos, Vol 29 (2024)
Abstract This paper presents an analysis of the challenges associated with discoloration risk management and the impact of hydraulic transients on water quality within distribution systems. Focusing on the Metropolitan Region of Curitiba, Paraná, Br
Externí odkaz:
https://doaj.org/article/f428a137e0c4459db2658752029bae45
Autor:
Mohammed Salah Alhwij, Wissam Nakhleh
Publikováno v:
Aqua, Vol 73, Iss 3, Pp 623-636 (2024)
Air valves and pressure vessels are among the most important protection devices used to protect the main pumping lines due to their reliability in controlling transient pressures. The proper and rational design of the water hammer protection devices
Externí odkaz:
https://doaj.org/article/e9bc300406b14d8f90a87cdd45baf700
Publikováno v:
Fluids, Vol 9, Iss 11, p 268 (2024)
The current paper focuses on the assessment of radial mesh influence on the description of the transient event obtained by an axisymmetric model. The objective is to reduce computational effort while accurately calculating hydraulic transients in smo
Externí odkaz:
https://doaj.org/article/97059e972d9d44e5bb096f08337c420f
Publikováno v:
Aqua, Vol 72, Iss 11, Pp 2138-2151 (2023)
The protection of negative pressures generated by the hydraulic transient process in the water supply system is crucial to safe and stable operation. In this study, a mathematical model of a pipeline hydraulic transient system with multi-undulating t
Externí odkaz:
https://doaj.org/article/99b1c42ed44c48ac8f2bfa215303403b
Autor:
Sang Hyun Kim
Publikováno v:
Engineering Applications of Computational Fluid Mechanics, Vol 16, Iss 1, Pp 1641-1654 (2022)
Modeling an unsteady flow is an important problem in pressurized pipeline systems. Depending on the dimensions and properties of the fluid and pipeline material, the generation of hydraulic transient issues and their spatiotemporal variation patterns
Externí odkaz:
https://doaj.org/article/6bb543a0199a418ababccf0552b2ee74
Akademický článek
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Akademický článek
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Publikováno v:
Journal of Hydroinformatics, Vol 24, Iss 4, Pp 856-874 (2022)
The hydraulic transient and thermodynamic characteristics of water flows impacting an air pocket at the vertical end of an elbow pipe are investigated. The CLSVOF (coupled level-set and volume of fluid) and URANS (unsteady Reynolds-averaged Navier–
Externí odkaz:
https://doaj.org/article/e6c2e57aa96242e594900e9e51a82444