Results 1 to 10 of about 2,615 (161)

Computational Analysis of Water-Submerged Jet Erosion [PDF]

Energies, 2021
Erosion causes substantial damage in many industrial equipment such as pump components, valves, elbows, and plugged tees. In most cases, erosion is coupled with corrosion, resulting in major financial loss (nearly 3.4% of the global gross domestic ...
Rached Ben-Mansour, Hassan M. Badr, Abdulrazaq A. Araoye, Ihsan Ul Haq Toor   +3 more
doaj   +2 more sources

Flow field characteristic of water jet with air ring protective layer under submerged environment and the orthogonal optimization of nozzle structure

Energy Science & Engineering, 2023
A water jet with an air ring protective layer is a promising rock‐breaking and cutting rate improvement method in submerged environment, such as oil–gas drilling. The jet flow field characteristic determines the jet impinge performance and is affected by
Liang Zhang, Qingjie Qi, Tianfang Ma, Lifeng Sun, Yue Wang, Jiamei Chai   +5 more
doaj   +2 more sources

A Numerical Study of a Submerged Water Jet Impinging on a Stationary Wall

Journal of Marine Science and Engineering, 2022
The impinging jet is a classical flow model with relatively simple geometric boundary conditions, and it is widely used in marine engineering. In recent years, scholars have conducted more and more fundamental studies on impact jets, but most of the ...
Bo Hu, Hui Wang, Jinhua Liu, Yong Zhu, Chuan Wang, Jie Ge, Yingchong Zhang   +6 more
doaj   +3 more sources

Atmospheric and submerged bone cement erosion by a pulsating water jet with a straight tubular nozzle extension [PDF]

Scientific Reports
A pulsating water jet (PWJ) offers advantages over a continuous water jet, such as lower liquid volume flows and pressures for deeper cuts. However, traditional PWJ setups are unsuitable for minimally invasive surgeries due to their size.
Sergej Hloch, Steven den Dunnen, Akash Nag, Kamil Souček, Josef Foldyna, Gabrielle Tuijthof, Munish Gupta, Frank Pude   +7 more
doaj   +2 more sources

A Study of Cavitation Erosion in Artificial Submerged Water Jets

Applied Sciences
The artificially submerged cavitation water jet is effectively utilized by ejecting a high-pressure water stream into a low-pressure water stream through concentric nozzles and utilizing the cavitation phenomenon generated by the shear layer formed ...
Haonan Li, Jiawang Chen, Jin Guo, Hai Zhu, Yuan Lin, Han Ge   +5 more
doaj   +2 more sources

Comparative Study of Hydrodynamic Performance of Submerged Water Jet Propeller and Conventional Propeller Under Multiple Operating Conditions

Machines
As global shipping accelerates toward a green and low-carbon transformation, submerged water jet propulsion has emerged as a promising alternative to traditional propellers due to its high speed efficiency, noise reduction, and adaptability.
Jiayi Li, Lei Ma, Dongyang Chen, Yunpeng Qi, Tiechao Bai, Guang Pan   +5 more
doaj   +3 more sources

Performance evaluation of the submerged abrasive water jet turning process for improving machinability of castamide

Engineering Science and Technology, an International Journal, 2020
In this study, the submerged abrasive water jet turning (AWJT) system was used for improving machinability of castamide material and process parameters have been investigated comprehensively.
Salem A. Basher Ibrahim, Seyma Korkmaz, M. Huseyin Cetin, Fuat Kartal   +3 more
doaj   +3 more sources

Sediment Removal from Deep Reservoir Dams by Suction and Jet Flow [PDF]

E3S Web of Conferences, 2022
One method of sediment removal from dam reservoirs is the use of submerged pumps and suction mixes of sediment and water. This method is usually considered for shallow rivers but we want to adopt this method for large dams.
Kianmehr Ali Ahmad, Nouri Nourooz Mohammad   +1 more
doaj   +1 more source

Modulation of annular fluid enhanced self-excited pulsed water jet and its coal breaking characteristics

Meitan xuebao, 2023
There are some bottleneck problems in the pressure relief and antireflection technology of submerged water jet in a downward hole, such as weak impact force, low coal breaking efficiency, less coal cutting and poor adaptability.
Yanwei LIU, Liqun LONG, Weiqin ZUO, Huaizhen LI, Hongkai HAN, Jin SHI, Yunqiang LI, Jian MIAO, Haojie JIA   +8 more
doaj   +1 more source

Sensitivity analysis of main control factors for efficiency of submerged jet crushing coal containing gas

Meikuang Anquan, 2021
In order to study the influencing factors of crushing efficiency of coal containing gas under submerged jet, the influence of different water jet impact conditions on coal crushing efficiency was studied, and the fluid solid coupling model of water jet ...
MA Xiongwei, WANG Zhaofeng, YANG Tenglong, CHEN Jinsheng, LI Yanfei, XI Jie   +5 more
doaj   +1 more source