THE DRIFT VELOCITY OF OIL FILM ON THE SEA

来源 :Chinese Journal of Oceanology and Limnology | 被引量 : 0次 | 上传用户:dandanCracker
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To make surface seawater flow, the shear stress of the wind blowing on the sea must overcome the work of cohesion of seawater Wc.Oil film on the sea will drift along the wind direction so long as the shear stress of the wind overcomes the work of adhesion between the water and the oil Wa or the work of cohesion of oil Wt,o.Experiments bear out the theory that surface tension of seawater is more than twice that of oils generally, so that the wind influenced drift velocity of the oil film is over two times that of the wind-driven surface current. The wind factor for surface current in Jiaozhou Bay is 0.025, while those for the drift velocities of O-diesel oil film and the used light crude oil film are 0.070 and 0.052 respectively.Generally the primary factors influencing the movement velocity of oil film on the sea are current, wind, and the physicochemical properties of the oil. The drift velocity of oil film is determined from analysis of the work of adhesion between seawater and oil. Experiments and ac To make surface seawater flow, the shear stress of the wind blowing on the sea must overcome the work of cohesion of seawater Wc.Oil film on the sea will drift along the wind direction so long as the shear stress of the wind overcomes the work of adhesion between the water and the oil Wa or the work of cohesion of oil Wt, o.Experiments bear out the theory that surface tension of seawater is more than twice that of oils so, the windathered drift velocity of the oil film is over two times that of the wind-driven surface current. The wind factor for surface current in Jiaozhou Bay is 0.025, while those for the drift velocities of O-diesel oil film and the used light crude oil film are 0.070 and 0.052 respectively. the primary factors influencing the movement velocity of oil film on the sea are current, wind, and the physicochemical properties of the oil. The drift velocity of oil film is determined from analysis of the work of adhesion between seawater and oil. Experiments and ac
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