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222.139  Articles
1 of 22.215 pages  |  10  records  |  more records»
Dam-break turbulent flow interacting with obstacles is simulated with the VOF method implemented in an in-house unstructured-grid finite-volume Navier-Stokes code. A special attention is paid to prediction of separation phenomena using low-Re computationa... see more

The transient characteristic of the power-off process is investigated due to its close relation to hydraulic facilities’ safety in a pumped storage hydropower (PSH). In this paper, power-off transient characteristics of a PSH station in pump mode wa... see more

Fossil fuels are energy sources that supply a large part of the world's energy generation. However, they produce greenhouse gases such as carbon dioxide (CO2), nitrogen oxide (NOx) and particulates that increase global warming. For this reason, other form... see more

Spillways are one of the most important parts of dams. There are several types of spillways, but they all play the same role. The flow through these structures is quite complicated hydraulically. The main focus of this study is the free surface flow in st... see more

Today several dams are equipped by the stepped spillways because of efficient for energy dissipation and of high contribution to the stability of these structures. The air-water flow on stepped spillway can prevent or reduce the cavitation damage. The air... see more

Today several dams are equipped by the stepped spillways because of efficient for energy dissipation and of high contribution to the stability of these structures. The air-water flow on stepped spillway can prevent or reduce the cavitation damage. The air... see more

Water impact phenomenon of general bow section is a critical event for planning hulls. In this paper, the water entry of several arbitrary bow sections is investigated. For this purpose, arbitrary bow shapes which are introduced by Lewis form approximatio... see more

 The details on breakup processes of liquid column and sheet are numerically investigated to provide the physics of the capillary instabilities and formation of liquid drops. Two cases are used: A numerical analysis on the capillary instabilities and... see more

The paper focuses on modelling free surface flow. The interface is modelled using the Volume-Of-Fluid method, where the advection of volume fractions is treated by a purely geometrical method. The novelty of the work lies in the way that it incorporates B... see more

1 of 22.215 pages  |  10  records  |  more records»