Results 11 to 20 of about 468,655 (259)

Evaporation front and its motion [PDF]

open access: yesHydrology and Earth System Sciences, 2022
The evaporation demands upon a rock or soil surface can exceed the ability of the profile to bring a sufficient amount of liquid water. A dry surface layer arises in the porous medium that enables just water vapor flow to the surface.
J. Mls
doaj   +1 more source

Generation of Gravity-Capillary Wind Waves by Instability of a Coupled Shear-Flow

open access: yesJournal of Marine Science and Engineering, 2022
The theory of surface wave generation, in viscous flows, is modified by replacing the linear-logarithmic shear velocity profile, in the air, with a model which links smoothly the linear and logarithmic layers through the buffer layer.
Malek Abid   +3 more
doaj   +1 more source

FLOW CHARACTERISTICS OF OPEN CHANNELS WITH FLOATING VEGETATION [PDF]

open access: yesJES: Journal of Engineering Sciences, 2020
Floating vegetation (Water hyacinth) causes many problems in waterways where it retards flow movement and changes flow structure. In this study the impact of water hyacinth on flow behavior in open channels was investigated in a laboratory flume.
Hassan I. Mohamed   +2 more
doaj   +1 more source

Effect of Crest Roughness on Flow Characteristics over Circular Weirs [PDF]

open access: yesCivil Engineering Infrastructures Journal, 2013
Different construction materials with different roughness used to make circular weirs highly affect surface roughness and, in turn, flow hydraulics passing over these structures.
Rasoul Ghobadian   +3 more
doaj   +1 more source

Investigating the effect of buried walls through rockfill detention structures on the longitudinal water surface profile [PDF]

open access: yesJournal of Hydraulic Structures
Rockfill structures in river training projects, such as detention dams, gabions, and levees, play a significant role in flood control. One of the common types of these structures is porous flood mitigation dams.
Jafar Chabokpour, Omar Minaei
doaj   +1 more source

Experimental and Numerical Investigation of Pizometric Head and Water Surface Profile of Steady Flow in Porous Media [PDF]

open access: yesپژوهش‌های زیرساخت‌های عمرانی
In this article, pressure on the floor and water surface profile at steady flow in rockfill material (coarse grain aggregate) is survived experimentally and numerically. Porous media with small, medium and coarse grading was prepared in a 15 meter length,
Hassan Hajikazeiman, Jalal Bazarghan
doaj   +1 more source

Computations of Water Surface Profiles in Damietta Branch.(Dept.C) [PDF]

open access: yesMEJ. Mansoura Engineering Journal, 2021
The purpose of the present work is to simulate the water surface profile along Damietta branch of the river Nile and to make  a comparative studies between three computational techniques used for such simulation. These methods include the standard step method, the Ezra method and the fail discharge method.
Ahmed Zidan, T. Owais, Saad Moharram
openaire   +1 more source

Laser Ranging For Monitoring Water Waves In The New Deltares Delta Flume [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
Currently a new wave flume for hydraulic experiments near to prototype scale is under construction at Deltares. In the flume, modern measurement equipment will be installed. One of the potential sensor techniques is Terrestrial Laser Scanner (TLS) based
M. Streicher   +2 more
doaj   +1 more source

Evaluation of the Water Surface Profile over Semi Elliptical Side Weir [PDF]

open access: yesمهندسی منابع آب, 2013
A side weir is a hydraulic structure with free flow, which is installed at one side and parallel to an open channel. It allows the water to overflow when the surface of the water in the channel rises above the weir crest. This structure affects the depth
M. Jahadi, R. Fattahi
doaj  

Relationship of surface elevation changes of the Antarctic ice sheet with ice movement and subglacial water flow

open access: yesЛëд и снег, 2015
The article provides phenomenological and experimental arguments that ice sheet surface fluctuation in Antarctica is mediated by ice velocity and subglacial water flow.
V. M. Kotlyakov   +4 more
doaj   +1 more source

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