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On Perforating Gun Design and Perforating Process Based on SPH Method
Author(s): 
Pages: 487-493
Year: Issue:  5
Journal: Well Logging Technology

Keyword:  射孔枪SPH方法毛刺高度穿孔直径射孔速度拟合;
Abstract: 基于SPH方法对射孔枪射孔过程进行了模拟,并实现高速射流情况下的射孔过程仿真.计算了射孔弹弹型不变的情况下以40CrNiMo为材料的枪筒,在不同射流速度下盲孔毛刺高度值,不同射流速度和不同盲孔深度下的穿孔直径以及不同材料下毛刺高度值.通过计算发现,盲孔毛刺高度随射孔速度的增加而降低,且高度值变化幅度越来越小;射孔枪的穿孔直径随射孔速度增大先增大而后减小.给出相应的射孔枪穿孔直径与射孔速度关系的拟合...
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