强研磨性地层中PDC钻头井底热-流-固三场耦合研究 |
祝效华,李聪,刘伟吉,谭宾,徐文 |
Study on bottom hole thermal-fluid-solid coupling of PDC bit in strong abrasive formation |
Xiao-hua ZHU,Cong LI,Wei-ji LIU,Bin TAN,Wen XU |
图6 PDC钻头1号喷嘴截面速度分布云图 |
Fig.6 Nephogram of cross-section velocity distribution of No.1 nozzle of PDC bit |
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