Results 91 to 100 of about 489 (102)

A new method to improve rock breaking efficiency by using automatic unloading of bottom hole central stress

Geoenergy Science and Engineering, 2023
Zhichuan Guan, Jiaxiong Liu, Baoping Lu   +2 more
exaly  

3D numerical simulation study of rock breaking of the wavy PDC cutter and field verification

Journal of Petroleum Science and Engineering, 2021
Zengzeng Zhang, Yan Zhao, Ke Gao
exaly  

Rock‐breaking mechanism and efficiency of straight‐swirling mixed nozzle for the nondiagenetic natural gas hydrate in deep‐sea shallow

Energy Science and Engineering, 2020
Guorong Wang, Yang Tang
exaly  

Experiment on rock breaking with supercritical carbon dioxide jet

Journal of Petroleum Science and Engineering, 2015
Baojiang Sun, Shouceng Tian, Zhonghou Shen   +2 more
exaly  

Influence of Rock Joints on Rock-Breaking Efficiency of TBM with a Double-Edge Disc Cutter

Weimeng Zhang, Zhiyu Bai, Bin Shao, Chao Lu, Bo Wang, Qiushi Liu, Zhuangzhuang Guo, Fanmeng Kong   +7 more
openaire   +1 more source

Numerical research on rock breaking performance of water jet based on SPH

Powder Technology, 2015
Songyong Liu
exaly  

Mechanism and effect of jet parameters on particle waterjet rock breaking

Powder Technology, 2017
Zhao Jian, Ruihe Wang
exaly  

Modelling of critical fragment size and rock breaking efficiency evaluation in drilling process

Powder Technology
Haoteng Wang, Mingming He, Tan Liuxin, Pu Cheng, Xiaoliang Yao, Bo Zhang, Xudong Ma, Qin Zhao   +7 more
openaire   +1 more source

Big break for efficient rock excavation

1994
openaire   +1 more source

Novel hard rock breaking technique using ultra-high-frequency particle impact induced by ultrasonic vibration field

Energy
Yu Zhou, Guansheng Han, Zihan Zhou
exaly