两相流诱导变径管振动实验研究

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英文篇名：The experimental study on vibration of variable diameter pipe induced by two-phase flow 作者：刘巨保 ; 庄申阳 ; 姚利明 英文作者：Liu Jubao;Zhuang Shenyang;Yao Liming;College of Machinery Science and Engineering, Northeast Petroleum University; 关键词：振动 ; 两相流 ; 变径管 英文关键词：vibration;;two phase flow;;variable diameter pipe 中文刊名：JXZZ 英文刊名：Machine Design and Manufacturing Engineering 机构：东北石油大学机械科学与工程学院; 出版日期：2019-06-15 出版单位：机械设计与制造工程 年：2019 期：v.48;No.427 基金：国家自然科学基金资助项目(11502051) 语种：中文; 页：JXZZ201906021 页数：5 CN：06 ISSN：32-1838/TH 分类号：88-92

摘要

在非常规油气藏水力压裂过程中,高砂比、高流速携砂压裂液会诱导管柱振动,特别是压裂液在通过管柱变径结构时,管柱振动会加剧。为进一步研究高砂比两相流诱导管柱振动问题,研制了两相流诱导变径管振动实验装置,进行了不同流量、砂比的两相流诱导变径管振动实验。结果表明:随着砂比的增高,管柱振幅增大;管柱中间位置振幅比进口位置大,进口位置振幅比出口位置大;管柱竖直方向振幅大于水平方向振幅;随着流量的增加,28Hz、35Hz频率对应的振幅增大,并引入了15Hz的振动。
        In the hydraulic fracturing process of unconventional oil and gas reservoirs, the high sand ratio and high flow rate sand-carrying fracturing fluid will induce the column vibration, the column vibration will be intensified, especially when the fracturing fluid passes through the pipe-reducing structure. In order to further study the high-sand ratio two-phase flow induced column vibration problem, a two-phase flow induced reducer vibration experiment device is developed, and the two-phase flow induced reducer vibration experiment with different flow rates and sand ratios is carried out. The results show that with the increase of sand ratio, the amplitude of the column increases; the amplitude of the middle position of the column is larger than the inlet position, and the amplitude of the inlet position is larger than the exit position; the amplitude of the vertical direction of the column is larger than the amplitude of the horizontal direction; the amplitude corresponding to the 28 Hz, 35 Hz frequency is increased, and 15 Hz vibration is introduced.

引文

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