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本期论文广场栏目中,体积型腐蚀缺陷对管道爆破压力影响的三维有限元分析一文,利用三维有限元方法,系统研究了不同表面参数、不同深度的体积型缺陷对管道爆破压力的影响,并得出了结论。煤层气井水力射流泵排采的适应性研究一文,提出了应用射流泵进行煤层气井排采的工艺方法。双壳体小流量离心泵的设计和应用一文,介绍了为煤制油装置试制煤浆泵的设计过程和应用情况。
Dimensional finite element analysis of the impact of volumetric corrosion defects on the pipeline burst pressure in the article column of the essay, the influence of volumetric defects with different surface parameters and depths on the pipeline burst pressure is systematically studied by using the three-dimensional finite element method Concluded. Adaptability of hydraulic jet pump drainage in coalbed methane wells. A method of applying jet pump for coalbed methane well drainage was proposed. Design and application of double-shell low-flow centrifugal pump This paper introduces the design process and application of trial-manufacture coal slurry pump for coal oil-making device.