IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 32nd Congress - Venice (2007) : THEME D: Maritime and Coastal Research and Engineering : Droplet entrainment and slick’s characteristics in the oil retained by a flexible spill barrier
Droplet entrainment and slick’s characteristics in the oil retained by a flexible spill barrier
Author : Amini Azin, Boillat Jean-Louis, Bollaert Erik, Schleiss Anton
The efficiency of a flexible barrier in containing oil slicks is investigated doing systematic two-dimensional experiments in a laboratory flume. The hydrodynamic basics describing oil containment with a rigid barrier is reviewed. For lowly viscous oils, barrier’s failure is mainly due to instabilities at the interface between oil and water and to break up of the interfacial waves, i.e. the so-called entrainment failure. Laboratory experiments have shown that the failure of rigid and flexible barriers happens at a flow velocity of about 30 cm/s. The loss rate for experiments with different barrier drafts is found to increase exponentially with flow velocity.
File Size : 1,018,671 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 32nd Congress - Venice (2007)
Article : THEME D: Maritime and Coastal Research and Engineering
Date Published : 01/07/2007
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