Turbulent Drag Reduction in Oil Pipelines Using Mixed Surfactant and Polymer Additives

管道减阻是石油等行业非常关注的问题。当石油等流体在管道中流动时，由于流体中的摩擦，机械能会发生显著的耗散。由于泵的功率消耗以及与泵送流体相关的成本与管道系统中的摩擦能量损失直接相关，因此降低摩擦能量损失是非常必要的。减少管流摩擦能量损失的最佳选择之一是使用减阻添加剂，如某些类型的聚合物和表面活性剂。在流体流动中加入少量添加剂，可显著降低摩阻系数，提高管道输送能力。减阻添加剂，特别是表面活性剂，也有助于减少管道的腐蚀。拟议的研究工作将探索通过使用聚合物-表面活性剂混合添加剂减少摩擦/阻力来减少泵浦能量需求的方法。这项研究的重点是发现和探索聚合物和表面活性剂混合添加剂在减阻方面的协同效应。在拟议的研究完成后，将建议采取战略，最大限度地减少泵送碳氢化合物液体的费用。拟议的研究将对加拿大管道公司降低碳氢化合物泵送成本非常有利。

Drag reduction in pipeline flows is of great interest in petroleum and other industries. When a fluid such as oil flows in a pipeline, there occurs a significant dissipation of mechanical energy due to friction in fluid. As the power consumption of pumps, and hence the cost associated with pumping of fluids, is directly related to the frictional energy loss in a pipeline system, the reduction of frictional energy loss is highly desirable. One of the best alternatives to reduce the frictional energy loss in pipeline flows is to use drag-reducing additives such as certain types of polymers and surfactants. The addition of a small amount of an additive to fluid flow can reduce the friction factor and increase the pipeline capacity significantly. The drag reducing additives, especially surfactants, are also helpful in reducing corrosion of pipelines. The proposed research work will explore ways to reduce the pumping energy requirements by reducing friction/drag with the help of mixed polymer-surfactant additives. The thrust of the proposed research is to discover and explore synergistic effects of mixed polymer and surfactant additives on drag reduction. Upon completion of the proposed research, strategies will be recommended to minimize the cost of pumping hydrocarbon liquids. The proposed research will be highly beneficial to Canadian pipeline companies in reducing the pumping costs of hydrocarbons.