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Nengliang Huang, Ye Tian, Rui Yang, Tonghu Xiao, Hua Li and Xiuyong Chen
In this study, a nanocrystalline layer composed primarily of martensite phase was prepared on the surface of 304 stainless steel. Furthermore, the martensite phase content in the nanocrystalline layer was adjusted by heat treatment at 500 °C and 550 °C, ...
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Manasa Hegde, Yvonne Kavanagh, Brendan Duffy and Edmond F. Tobin
AA2024-T3 are widely used in various applications because of their exceptional physical properties. However, they are susceptible to corrosion and cavitation erosion in aggressive environments due to high concentration of copper. Sol-gel coatings in the ...
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Yunkai Zhou, Giorgio Pavesi, Jianping Yuan and Yanxia Fu
A pump-jet, which is generally and widely adopted on underwater vehicles for applications from deep sea exploration to mine clearing, consists of a rotor, stator, and duct, with the properties of high critical speed, high propulsion efficiency, great ant...
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Zijing Xu, Roberto Galeazzi and Jingqi Yuan
The availability of the propulsion system is of primary importance to ensure safe and stable operations of marine crafts, both during transit and station keeping. Diminished propulsion efficiency could impair the ability of a vessel to maintain speed and...
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Hangbo Duan, Linya Chen and Xiaoyu Liang
A compressible two-phase solver considering phase transition and thermodynamic effects is developed on OpenFOAM to numerically investigate the dynamics of single cavitation bubble collapse near the rigid wall. A grid independence analysis is conducted, a...
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Pei Xu, Chao Wang, Liyu Ye, Chunyu Guo, Weipeng Xiong and Shen Wu
The presence of broken ice in the flow field around a propeller causes severe blade erosion, shafting, and hull vibration. This study investigates the performance of the propeller of a ship sailing in the polar regions under the propeller?ice non-contact...
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Hong-Sik Hwang, Kwang-Jun Paik, Soon-Hyun Lee and Gisu Song
Underwater radiated noise (URN) is greatly increasing due to an increase in commercial shipping, sonar activities, and climate change. As a result, marine life is having difficulty communicating, and marine ecosystem disturbances are occurring. The noise...
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Sebastián Leguizamón, Ebrahim Jahanbakhsh, Siamak Alimirzazadeh, Audrey Maertens and François Avellan
Erosive wear of hydraulic machines is a common issue, which results in efficiency degradation, the enhancement of cavitation, and the need for expensive maintenance. Although numerical simulations of the erosion process could be very useful, both for und...
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Anatoly Ischenko,Dmitry Rassokhin,Elena Nosovskaya
Pág. 23 - 28
Studying the process of cavitation has remained relevant up to now. The reason for this is the multifactorial causes of cavitation and, as a result, the difficulty to prevent it. One effective way to fight cavitation destruction is to use specialized mat...
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Hussein Hoteit, Marwan Fahs and Mohamad Reza Soltanian
Depleted gas reservoirs are appealing targets for carbon dioxide (CO2" role="presentation">22
2
) sequestration because of their storage capacity, proven seal, reservoir characterization knowledge, existing infrastructure, and potential for enhanced gas ...
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