Results 221 to 230 of about 4,394,413 (242)

Study on the Mechanism of High-Efficiency Rock Breaking by Hydraulic Jet Based on Explicit Dynamics

open access: yesProcesses, 2023
High-efficiency rock breaking by hydraulic jetting is the key to radial horizontal drilling technology. In order to improve the drilling efficiency of hydraulic jet rock breaking in radial horizontal wells, based on LS-Dyna display dynamics, a numerical ...
Gang Bi
exaly   +2 more sources

Influences of Microwave Irradiation on Rock-Breaking Efficiency of a Reduced-Scale TBM Cutter

open access: yesApplied Sciences (Switzerland), 2023
To explore the influences of microwave irradiation on the rock-breaking efficiency of tunnel boring machine (TBM) cutters, a multimode cavity with a microwave power of 2100 W was used to conduct microwave irradiation tests on Chifeng basalt for different
Gaoming Lu
exaly   +2 more sources

Experimental and simulation study on rock-breaking efficiency of disc cutters on composite rocks

International Journal of Rock Mechanics and Minings Sciences, 2022
Chunshun Zhang, Sen Wen
exaly  

The effects of process parameters on the rock-breaking efficiency of multi-nozzle jet

Journal of Petroleum Science and Engineering, 2021
Liu Yanbao, Yanqing Wu, Xuelin Yang
exaly  

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