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随钻正脉冲发生器阀体设计及其信号特性分析

赵常青 刘凯 赵桐 卫一多 代志平 贾桑

赵常青, 刘凯, 赵桐, 卫一多, 代志平, 贾桑. 随钻正脉冲发生器阀体设计及其信号特性分析[J]. 机械科学与技术, 2014, 33(5): 688-692. doi: 10.13433/j.cnki.1003-8728.2014.0513
引用本文: 赵常青, 刘凯, 赵桐, 卫一多, 代志平, 贾桑. 随钻正脉冲发生器阀体设计及其信号特性分析[J]. 机械科学与技术, 2014, 33(5): 688-692. doi: 10.13433/j.cnki.1003-8728.2014.0513
Zhao Changqing, Liu Kai, Zhao Tong, Wei Yiduo, Dai Zhiping, Jia Sang. The Design of the LWD Positive Pulse Valve and Analysis of its Signal Characteristics[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(5): 688-692. doi: 10.13433/j.cnki.1003-8728.2014.0513
Citation: Zhao Changqing, Liu Kai, Zhao Tong, Wei Yiduo, Dai Zhiping, Jia Sang. The Design of the LWD Positive Pulse Valve and Analysis of its Signal Characteristics[J]. Mechanical Science and Technology for Aerospace Engineering, 2014, 33(5): 688-692. doi: 10.13433/j.cnki.1003-8728.2014.0513

随钻正脉冲发生器阀体设计及其信号特性分析

doi: 10.13433/j.cnki.1003-8728.2014.0513
基金项目: 

“十二五”国家科技重大专项基金项目(2011ZX05020-002)

国家自然科学基金项目(51275409)

陕西省科技计划项目(2012JQ7009)资助

详细信息
    作者简介:

    赵常青(1984-),博士研究生,研究方向为现代传动技术和流体力学,zhaochqing@163.com;刘凯(联系人)教授,博士生导师,kliu@mail.xaut.edu.cn

    赵常青(1984-),博士研究生,研究方向为现代传动技术和流体力学,zhaochqing@163.com;刘凯(联系人)教授,博士生导师,kliu@mail.xaut.edu.cn

The Design of the LWD Positive Pulse Valve and Analysis of its Signal Characteristics

  • 摘要: 泥浆脉冲传输是一种使用最为广泛的无线随钻测量方式,为了改善泥浆脉冲发生器工作性能、提高信号强度和传输距离,需要对旋转阀进行优化。根据流体力学中节流口压力与流量关系式,推导出正脉冲压力波信号的转阀形状曲线方程,并根据方程对定子、转子形状进行了优化。利用计算流体力学(CFD)方法,对转阀的流场特性进行三维仿真分析,并通过实验验证了旋转阀随钻测井仪的传输特性。研究结果表明:转子叶片轮廓设计成极坐标曲线时正脉冲压力波信号稳定;采用曲线阀口可以使水力转矩变化平缓;为了解决冲蚀问题,转阀设计中考虑溢流功能,同时设计转子耐磨套。
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出版历程
  • 收稿日期:  2013-02-05
  • 刊出日期:  2015-06-10

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