On theoretical models for oil droplets size distribution under the influence of surface wave breaking

Sun Baonan; Yuan Yeli; Han Lei; Yang Yongzeng; Lian Zhan

doi:10.3969.issn.0253-4193.2014.09.004

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Sun Baonan, Yuan Yeli, Han Lei, Yang Yongzeng, Lian Zhan. On theoretical models for oil droplets size distribution under the influence of surface wave breaking[J]. Haiyang Xuebao, 2014, 36(9): 30-36. doi: 10.3969.issn.0253-4193.2014.09.004

Citation:

Sun Baonan, Yuan Yeli, Han Lei, Yang Yongzeng, Lian Zhan. On theoretical models for oil droplets size distribution under the influence of surface wave breaking[J]. Haiyang Xuebao, 2014, 36(9): 30-36. doi: 10.3969.issn.0253-4193.2014.09.004

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On theoretical models for oil droplets size distribution under the influence of surface wave breaking

doi: 10.3969.issn.0253-4193.2014.09.004

1.
Laboratory of Physical Oceanography,Ocean University of China,Qingdao 266100,China;First Institute of Oceanography,State Oceanic Administration,Qingdao 266061,China;Key Lab of Marine Science and Numerical Modeling,State Oceanic Administration,Qingdao 266061,China
2.
First Institute of Oceanography,State Oceanic Administration,Qingdao 266061,China;Key Lab of Marine Science and Numerical Modeling,State Oceanic Administration,Qingdao 266061,China

Received Date: 2013-12-26
Rev Recd Date: 2014-04-19

Abstract

Abstract

Marine oil spill often forms oil droplets in stormy conditions.. Based on the dimensional analysis Rayleigh method,the relationship is established between entrainment rate of oil droplet and statistical physical quantities such as the energy dissipation rate,intrusion depth et al. An expression of size spectrum of oil droplets is derived based on Π theorem and relationship between capillary number,the dimensionless intrusion time and viscosity ratio. Preliminary results show that the slope of the derived spectrum is-2.29,which agrees well with the measured slope-2.3 in laboratory. Shear rate,surface tension,droplet radius,oil and water viscosity is the main factors controlling the total number of the oil droplets.
- dimensional analysis,
- entrainment rate,
- size spectrum of oil droplets,
- surface wave breaking statistics

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References(28)

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