主要通过对流体流过非圆形直管的流动分析，得到影响非圆形直管摩擦系数的因素。
Newton fluid's flowing in special pipe is analysed, it is gained that some factors affect the friction coefficient of flowing fluid in special pipe.
对改良的干法压裂液这种非牛顿流体的摩擦阻力特性的正确认识，关系着干法压裂技术的有效实施。
Whether we can correctly understand the frictional resistance characteristics of the modified dry fracturing fluid or not would influence the fracture technology's effective implementation.
从而为这种非牛顿流体在摩擦学中的应用提供了理论分析基础。
Therefore, the basis of theoretical analysis is presented for the application of non-newtonian fluid in tribology.
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