Natural dispersion of oil

Oil and Chemical Pollution Pub Date : 1988-01-01 DOI:10.1016/S0269-8579(88)80003-0

G.A.L. Delvigne, C.E. Sweeney

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引用次数: 355

Abstract

Laboratory investigations were performed on the natural dispersion of surface and submerged oil. Surface oil broke up into droplets and penetrated the water column due to the effect of breaking waves. Submerged oil parcels (submerged spill) broke up into droplets due to turbulence in the ambient water. The experiments on surface oil dispersion led to the following quantitative relations:

a)
an empirical relation for the oil entrainment rate (dispersed oil mass per unit time), as a function of the oil type, oil layer thickness, breaking-wave energy and temperature;
b)
the droplet size distribution as a function of the above parameters;
c)
the intrusion depth of oil droplets related to the wave height.

The experiments with submerged oil resulted in relations for the droplet size distribution in dependence of various parameters. The empirical relations are applicable in mathematical models for calculation of natural dispersion of oil in the sea, with given hydrodynamic conditions and breaking wave statistics.

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油的自然分散

实验室研究了水面油和水下油的自然分散。由于破碎波的作用，海面上的油分解成小滴，渗透到水柱中。水下油包(水下溢油)由于周围水的湍流而分解成小水滴。通过对表面油分散的实验得出了以下定量关系:a)携油率(单位时间内分散的油质量)与油类、油层厚度、破波能量和温度的经验关系;b)油滴尺寸分布与上述参数的关系;c)油滴侵入深度与波高的关系。通过对浸没油的实验，得到了液滴尺寸分布随各参数的变化关系。在给定水动力条件和破碎波统计量的情况下，经验关系式适用于计算海上石油自然扩散的数学模型。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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