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Numerical Study on Energy Transformation of Isolated Whirling Flow Fields at Oil Well Bottoms
Author(s): YANG Li, CHEN Kang-min
Pages: 453-
456
Year: 2005
Issue:
3
Journal: 动力工程学报
Keyword: 钻井工程; PDC钻头; 井底流场; 水力参数; 能量变化;
Abstract: PDC水力参数的不同综合表现为井底流场能量的变化。井底流场具有清岩和冷却切削齿的作用,同时又要保证射流不对钻头表面造成过多的磨损。针对实际PDC钻头建立了不同的流场计算模型,比较分析了流场能量的变化规律。图5参5
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