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Gaowei Xu, Huimin Fang, Yumin Song and Wensheng Du
A variable velocity parallel four-bar cavitating mechanism for well-cellar can form the well-cellar cavitation which suits for well-cellar transplanting under a continuous operation. In order to improve the cavitating quality, this paper analyzed the str...
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Jin-Wook Kim, Moon-Chan Kim, Il-Ryong Park, Hanshin Seol, Min-Jea Kim and Woo-Seok Jin
Submarines with pumpjet propulsors have recently been used in many countries to improve their propulsion and noise performance. The pumpjet has the advantage of improving noise and cavitation performance by increasing the pressure inside the duct, and it...
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Yangjie Ren, Yitong Zhang, Shiyang Guo, Ben Wang, Siqi Wang and Wei Gao
Maize, a crop of international relevance, frequently undergoes xylem embolism due to water shortage, negatively impacting growth, yield, and quality. Consequently, a refined comprehension of xylem embolism is vital for enhancing maize cultivation. Notwit...
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Lotan Arad Ludar and Alon Gany
One of the basic elements which characterizes flow regimes, is viscosity. This element has typically been neglected in research on supercavitational flows, describing and predicting supercavitation bubbles geometry and formation using non-viscous potenti...
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Chenyang Zhu, Tomaso Gaggero, Nicholas C. Makris and Purnima Ratilal
The time-dependent spectral characteristics of underwater sound radiated by an ocean vessel has complex dependencies on ship machinery, propeller dynamics, hydrodynamics of ship exhaust and motion, as well as ship board activities. Here the underwater so...
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Meng Guo, Cheng Liu, Qingdong Yan, Zhifang Ke, Wei Wei and Juan Li
Hydraulic torque converter is widely used in transmission units as it is able to provide variable speed and torque ratio, isolate vibration, and absorb shock. The pursuit of a highly packed power unit requires a high capacity/speed torque converter, cons...
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Chunlong Ma, Dongyan Shi, Chao Li, Mengnan Wang and Dongze He
In order to study the influence of the pressure load generated during the pulsation of cavitation bubbles on the oblique 45-degree curved surface boundary. The curved surface boundaries have different curvatures. This study also designs a multi-angle bra...
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Awais Raza, Wuyi Wan and Kashif Mehmood
Spillway is a crucial hydraulic structure used to discharge excess water from the dam reservoir. Air entrainment is essential to prevent cavitation damage on the spillway, however, without air entrainment the risk of cavitation over the spillway increase...
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Yuriy N. Savchenko, Georgiy Y. Savchenko and Yuriy A. Semenov
Cavity flow around a wedge with rounded edges was studied, taking into account the surface tension effect and the Brillouin?Villat criterion of cavity detachment. The liquid compressibility and viscosity were ignored. An analytical solution was obtained ...
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Roxána Varga, Robert Mettin
Pág. 326 - 335
A parameter identification technique of an underlying bubble model of an experimentally observed single bubble in a cluster under dual-frequency external forcing is presented. The measurements are carried out via high-speed camera recordings at a ra...
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