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Numerical Investigation on the Cavitating Flow and the Cavitation-induced Noise in the Pump-jet Propeller [PDF]
Journal of Applied Fluid MechanicsThe noise hazard posed by cavitation in pump-jet propellers is a significant concern during oceanic operations. This study evaluates the cavitation performance and associated noise characteristics of pump-jet propellers in underwater conditions, further ...
P. Zhang, J. Yuan, Y. Fu, X. Hou, J. Hao
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Numerical and Experimental Studies of Cavitation Behavior in Water-Jet Cavitation Peening Processing
Shock and Vibration, 2013 Water-jet cavitation peening (WCP) is a new technology for the surface modification of metallic materials. The cavitation behavior in this process involves complex and changeable physics phenomena, such as high speed, high pressure, multiple phases ...
H. Zhang, B. Han, X.G. Yu, D.Y. Ju
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, 2009 Cavitation impact at cavitation bubble collapse can be utilized for surface enhancement in the same way as shot peening. A peening method using cavitation impact is called cavitation peening.
Soyama, H., Nishizawa, K., Mikami, M.
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Enhancing the Aggressive Strength of a Cavitating Jet and Its Practical Application
Journal of Fluid Science and Technology, 2011 A cavitating jet is a useful tool for the practical application of cavitation. Cavitation impact arises when bubbles collapse and can be utilized to modify the surfaces of materials as an alternative to shot peening.
Hitoshi SOYAMA, Osamu TAKAKUWA
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Shock and Vibration, 2020 High-pressure submerged cavitation jet is widely used in the fields of material peening, petroleum drilling, and ocean engineering. The impact performance of the jet with intensive cavitation is related to the factors such as working condition and the ...
Yongfei Yang +4 more
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Shock and Vibration, 2021 The submerged high-pressure water jet has the characteristics of high velocity, strong turbulence, and severe cavitation. In order to reveal the formation mechanism of shear cavitation in the submerged high-pressure water jet and to grasp the turbulent ...
Yongfei Yang +5 more
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Cavitation regime detection through Proper Orthogonal Decomposition: dynamics analysis of the sheet cavity on a grooved convergent-divergent nozzle [PDF]
, 2014 The unsteady character of the sheet cavity dynamics on the suction side of hydrofoils, on convergent–divergent nozzles or on blades in turbines and propellers is responsible for many issues like erosion, noise and vibrations. This two-phase flow dynamics
DANLOS, Amélie +7 more
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IEEE Access, 2020 Two-stage electrohydraulic servo-valves play an important role in the most modern hydraulic servo control systems for fight wing controls, manufacturing robots, and many engineering applications.
Bijan Krishna Saha +2 more
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Research on Cavitation Wake Vortex Structures Near the Impeller Tip of a Water-Jet Pump
Energies, 2023 Cavitation can cause noise in the water-jet pump. If cavitation occurs in the water-jet pump, the hydraulic components in the pump are prone to erosion. The surface erosion reduces energy delivery efficiency and increases maintenance costs.
Yun Long +7 more
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Visualization of cavitating micro jets [PDF]
EPJ Web of Conferences, 2012 The paper deals with one experimental set up integrated for research of the cavitating micro flows, which is incipient behind the micro channel or micro discharge nozzle outlet port. Experimental system is integrated from three major systems: hydraulic circuit with installed discharge nozzle (or micro channel), subsystem for data acquisition and data ...
Knížat Branislav +2 more
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