机械式自动垂直钻具执行机构内部流场规律研究

马超群,张凯,柴麟,刘宝林,周琴

Research on internal flow field law of mechanical automatic vertical drilling tool actuator

Chao-qun MA,Kai ZHANG,Lin CHAI,Bao-lin LIU,Qin ZHOU

图17 泄流缝隙长度示意

Fig.17 Schematic diagram of discharge gap length