Results 1 to 10 of about 180 (113)

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

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

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

Experimental investigation of two-phase flow evolution in a high-speed submerged water jet with air ventilation

Journal of Fluid Science and Technology, 2023
In order to improve the submerged cutting performance of water abrasive suspension jet an experimental investigation on the two-phase flow structure of submerged water jet with semi-coaxial air ventilation is conducted by the method of high-speed camera ...
Guoyi PENG, Yusuke MUKAIYAMA, Ruijia CAO, Yasuyuki OGUMA, Hui QUAN   +4 more
doaj   +1 more source

Visualization and investigation of the erosion process for natural gas hydrate using water jet through experiments and simulation

Energy Reports, 2022
Natural Gas Hydrate (NGH) and Hydrate-bearing Sediments (HBS) are emerging as an important potential energy resource. Radial Jet Drilling (RJD) technology, turning sharply in the casing and drilling laterals by using water jet, is a valid approach to ...
Yiqun Zhang, Xiaoya Wu, Xiao Hu, Bo Zhang, Jingsheng Lu, Panpan Zhang, Gensheng Li, Shouceng Tian, Xinming Li   +8 more
doaj   +1 more source