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| 引用本文： | 蒋祖军,廖荣庆.????????????????????е?????о?[J].天然气工业,1992,12(2):38-44. |
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| 作者姓名： | 蒋祖军 廖荣庆 |
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| 作者单位： | 1. ?????????????????;2. ????????? |
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| 摘 要： | 脉冲射流能够在能级相同的情况下增大射流的瞬时冲击力,可以提高射流的辅助破岩和清除岩屑的效果。本文介绍了利用流体动力学和水声学的基本原理在特殊喷嘴结构中产生自激脉冲射流的机理,通过实验研究了腔室结构参数和回压等因素对自激效果的影响规律。
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| 关 键 词： | 自激脉冲射流 钻头喷嘴 喷射钻井 |
A Study of the Application of Self-excited Pulsed-jet Flow to Jet Drilling |
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| Jiang Zujun,Liao Rongqing.A Study of the Application of Self-excited Pulsed-jet Flow to Jet Drilling[J].Natural Gas Industry,1992,12(2):38-44. |
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| Authors: | Jiang Zujun Liao Rongqing |
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| Affiliation: | Jiang Zujun;Liao Rongqing |
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| Abstract: | Pulsed jet can strengthen the instantaneous impulsive force of the jet under the condition of same energy level and can raise the ability of auxiliarily crushing rocks and removing cuttings. In this pa-per, the mechanism of self-excited pulsed jet emerged in nozzle with special texture is introduced by use of the basic principles of hydrodynamics and hydroacoustics, and the rules influencing self-excited effects by cavity-chamber structure parameters and back pressures etc. are analyzed through test. |
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| Keywords: | Self-excited pulse jet nozzle of bit jet drilling application study |
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