The Effects of the Downstream Contraction Ratio of Organ-Pipe Nozzle on the Pressure Oscillations of Self-Resonating Waterjets [PDF]
Energies, 2018 Self-resonating waterjets (SRWJs) are being widely used in the fields of energy exploitation, due to the significantly increased penetration rate of roller bits in deep-hole drilling.
Xiaoliang Wang +4 more
doaj +4 more sources
Experimental Study on the Impingement Characteristics of Self-Excited Oscillation Supercritical CO2 Jets Produced by Organ-Pipe Nozzles [PDF]
Energies, 2021 Supercritical carbon dioxide (SCO2) jets are a promising method to assist drilling, enhance oil–gas production, and reduce greenhouse gas emissions. To further improve the drilling efficiency of SCO2 jet-assisted drilling, organ-pipe nozzles were applied
Mengda Zhang +2 more
doaj +2 more sources
Processes, 2023 High-speed water jets are widely used in deep mining and the in-depth study of jet characteristics helps to improve drilling efficiency. Three-dimensional Large Eddy Simulation is used to simulate turbulent flows generated by an organ-pipe nozzle.
Xiaofeng Guo +2 more
exaly +2 more sources
Numerical and experimental investigation on flow field characteristics of organ pipe nozzle
IOP Conference Series: Earth and Environmental Science, 2014 As a new technology that is developed rapidly in recent decades, water jet technology is widely applied in coal, petroleum, chemical industry, aviation, construction, etc. Self-resonant cavitating jet, by playing cavitation, is capable of great destruction.
Z L Fang +6 more
exaly +2 more sources
Experimental research on the performances of water jet devices and proposing the parameters of borehole hydraulic mining for oil shale. [PDF]
PLoS ONE, 2018 Oil shale is an unconventional energy source, and it is also a potential petroleum substitute. Nowadays, the energy shortage is becoming more and more prominent, oil shale has attracted the attention of energy researchers all over the world.
Jiwei Wen, Chen Chen, Urso Campos
doaj +2 more sources
Applied Ocean ResearchFor cleaning applications involving curved structures in marine engineering, this study investigates the erosion characteristics of submerged cavitating jets impinging on the convex target and the associated influencing factors.
Shengyan Pan +3 more
doaj +2 more sources
Effects of Outlet Geometry of Organ-pipe Nozzle on Cavitation Due to Impingement of the Waterjet [PDF]
Jixie Gongcheng Xuebao/Chinese Journal of Mechanical Engineering, 2019 XU Pingping +4 more
exaly +2 more sources
Experimental Investigation on the Influence of Internal Surface Roughness of Organ Pipe Nozzle on the Characteristics of High Pressure Jet [PDF]
Jixie Gongcheng Xuebao/Chinese Journal of Mechanical Engineering, 2015 Deng Li
exaly +2 more sources
Effect of Nozzle Outlet Shape on Cavitation Behavior of Submerged High-Pressure Jet
Machines, 2021 A submerged high-pressure water jet is usually accompanied by severe cavitation phenomenon. An organ pipe nozzle can greatly improve the cavitation performance of the jet, making use of the self-excited oscillation of the flow.
Gaowei Wang +5 more
doaj +1 more source