... 钻杆内泵送塞：drillpipe pump down plug 钻杆摩擦系数：pipe friction coefficient 钻杆螺纹规：drill pipe gauge ...
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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.
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。
Finally the engineering design suggestion of three commonly used diameter pipe segments is given through changing their length and the friction coefficient between the slip block and the soil surface.
最后提出了调整隔震管段长度及支座滑块与地面之间摩擦系数，对三种常用管径管道跨断层设计的建议。
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