Spreading of Oil Spilled under Ice
Publication: Journal of Hydraulic Engineering
Volume 116, Issue 12
Abstract
A new set of equations is presented to describe the process of oil spreading under ice in calm waters. These equations consider the gravity (buoyancy)‐inertia phase, the gravity (buoyancy)‐viscous phase, and the termination of spreading during the buoyancy—surface‐tension phase. The derivation considers both the constant discharge mode and the constant volume mode. Therefore, a complete description of the spreading phenomena from the time of initial spill to the termination of spreading is presented. Laboratory experiments have been conducted using both real ice covers in a cold room and artificial ice covers. The experiments included different ice‐cover roughnesses from smooth to rough, oils of different viscosities, and a variety of discharge conditions. The experimental data show close agreement with the theory. These equations can be used during cleanup or environmental impact assessment to estimate the area of an oil slick with respect to time.
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 116 • Issue 12 • December 1990
Pages: 1468 - 1483
Copyright
Copyright © 1990 ASCE.
History
Published online: Dec 1, 1990
Published in print: Dec 1990
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