强研磨性地层中PDC钻头井底热--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