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首页> 外文期刊>喷流工学 >The Effects of Abrasive Nozzle Shape on Perforation Performance of Submerged Abrasive Waterjets for Steel Casing Under High Ambient Pressure
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The Effects of Abrasive Nozzle Shape on Perforation Performance of Submerged Abrasive Waterjets for Steel Casing Under High Ambient Pressure

机译：高压环境下磨料喷嘴形状对浸没式磨料射孔性能的影响

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摘要

To clarify the effects of diameter and length of abrasive nozzle on perforation performance for steel casing, laboratory perforation tests using a submerged abrasive waterjets system were conducted under high ambient pressures of up to 2 MPa. Main results obtained in this study can be summarized as follows: (1) The mass loss of the abrasive nozzle and the abrasive nozzle diameter increases approximately linearly with the mass of abrasives that passed through the abrasive nozzle. (2) The depth of cut normalized by the mass of abrasives required for perforation decreases with both the diameter and length of the abrasive nozzle regardless of ambient pressure. (3) The depth of cut normalized by the mass of abrasives required for perforation decreases with ambient pressure regardless of both the diameter and length of the abrasive nozzle. Thus, fundamental configurations of abrasive nozzle were determined to obtain a good performance.
机译：为了阐明磨料喷嘴的直径和长度对钢套管穿孔性能的影响，在高达2 MPa的高环境压力下使用浸没式磨料水刀系统进行了实验室穿孔测试。在这项研究中获得的主要结果可以概括如下：（1）磨料喷嘴的质量损失和磨料喷嘴直径与通过磨料喷嘴的磨料质量大致成线性关系。 （2）与穿孔相对应的切割深度随打磨喷嘴的直径和长度而减小，与环境压力无关。 （3）随穿孔压力的增加而减小的切深随环境压力而减小，而与磨料喷嘴的直径和长度无关。因此，确定了磨料喷嘴的基本构造以获得良好的性能。

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