Results 31 to 40 of about 58,723 (313)

Numerical Simulation of Wave–Current Force Characteristics of Horizontal Floating Cylinder in Heave Motion

open access: yesJournal of Marine Science and Engineering, 2022
This paper presents the characteristics of the heave motion responses and hydrodynamic forces of a horizontal floating circular cylinder during a wave–current interaction.
Xiaoguo Zhou   +5 more
doaj   +1 more source

Imaging of Hydrodynamic Field Around Submerged Objects Regular Wave and Tsunami Conditions [PDF]

open access: yesE3S Web of Conferences, 2023
Hydrodynamic particle movement under regular waves and tsunami wave are rarely studied due to its complicated sensors. This research is aimed at investigating flow fields around submerged structures due to regular waves and tsunami wave.
Arifullah Arifullah   +6 more
doaj   +1 more source

Exponential asymptotics and gravity waves [PDF]

open access: yes, 2006
The problem of irrotational inviscid incompressible free-surface flow is examined in the limit of small Froude number. Since this is a singular perturbation, singularities in the flow field (or its analytic continuation) such as stagnation points, or ...
Vanden-Broeck, J-.M.   +8 more
core   +2 more sources

Effects of submerged vegetation on water clarity across climates [PDF]

open access: yes, 2009
A positive feedback between submerged vegetation and water clarity forms the backbone of the alternative state theory in shallow lakes. The water clearing effect of aquatic vegetation may be caused by different physical, chemical, and biological ...
Nes, E.H., van   +14 more
core   +1 more source

Design and analysis of 0.127 m (5″) Cutthroat flu

open access: yesAin Shams Engineering Journal, 2017
The aim of the present work was to perform series of detailed laboratory experiments under steady-state flow conditions through a Cutthroat flume of throat width 0.127 m (5″) and length 0.918 m.
Rajib Das   +4 more
doaj   +1 more source

Unsteady flow induced by a withdrawal point beneath a free surface [PDF]

open access: yes, 2005
The unsteady axisymmetric withdrawal from a fluid with a free surface through a point sink is considered. Results both with and without surface tension are included and placed in context with previous work.
Forbes, L.K.   +7 more
core   +2 more sources

Flow Characteristics in Vertical Shaft Spillway with Varied Inlet Shapes and Submergence States

open access: yesTikrit Journal of Engineering Sciences
A spillway is an essential hydraulic structure that discharges excessive water, especially during floods from upstream to downstream of the dam. A shaft spillway is sometimes used when a limited area is available. This study used four physical models of
Intisar A. Hady, Ahmed Y. Mohammed
doaj   +1 more source

Bubble formation from a flexible hole submerged in an inviscid liquid [PDF]

open access: yes, 2003
In the waste water treatment industry, a novel gas sparger based on flexible membranes has been used for the last ten years. The objective of the present work is to study the bubble formation generated from a flexible orifice (membrane).
Hebrard, Gilles, Loubière, Karine
core   +1 more source

The discharge coefficient of SMBF flumes under free and submerged conditions

open access: yesApplied Water Science, 2023
In this study, the discharge coefficients (C d) of SMBF flumes under free and submerged flow conditions were analytically investigated. The dimensionless parameters involved in the discharge coefficient, derived from the dimensional analysis, are the ...
Abbas Parsaie   +4 more
doaj   +1 more source

Calibration of sluice gate in free and submerged flow using the simulated annealing and ant colony algorithms [PDF]

open access: yesJournal of Applied Research in Water and Wastewater, 2018
There are found numerous methods to measure flow in open channels. The simulation of water flow in channel requires mathematic calibration of the structures in channel so that the water level and the discharge become compatible with demand.
Majid Heydari   +2 more
doaj   +1 more source

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