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4 切削过程中钻齿的齿顶温度和磨损弦长

Fig.4 Tip temperature and wear chord length of drill tooth during cutting