Results 11 to 20 of about 556 (201)
International Journal of Naval Architecture and Ocean Engineering, 2017 In this paper, we investigated physical characteristics of an artificial supercavity generated behind an axisymmetric cavitator. Experiments for the same model were carried out at two different cavitation tunnels of the Chungnam National University and ...
Byoung-Kwon Ahn +2 more
exaly +4 more sources
Optical supercavitation in soft-matter [PDF]
2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC), 2010 We investigate theoretically, numerically and experimentally nonlinear optical waves in an absorbing out-of-equilibrium colloidal material at the gelification transition. At sufficiently high optical intensity, absorption is frustrated and light propagates into the medium. The process is mediated by the formation of a matter-shock wave due to optically
CONTI, CLAUDIO, DEL RE, EUGENIO
openaire +8 more sources
MATEC Web of Conferences, 2018 New scheme of a shell, providing increase in range and stability of the movement in the water medium due to realization of the supercavitation regime on all trajectory of its movement, has been considered. The results of the analysis in the efficiency of
Arkhipov Vladimir +2 more
doaj +2 more sources
Experimental Research on Aerated Supercavitation Suppression of Capillary Outlet Throttling Noise
Complexity, 2022 The aim of this work is the reduction of the throttling noise when the capillary is used as a throttling device. Based on the theory of bubble dynamics, two-phase flow, and aerated supercavitation, four different sizes of aerated devices used in ...
Qianxu Wang +6 more
doaj +2 more sources
EnergiesAn unmanned underwater vehicle (UUV) powered by a compressed air power system is proposed to address challenges for battery/motor-powered vehicles under high-speed navigation, long endurance, and high mobility.
Yijian He, Han Zhang
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Experimental investigation of supercavitating flows [PDF]
International Journal of Naval Architecture and Ocean Engineering, 2012 When the object is traveling in the water at tremendously high speeds, the cavity forms and grows up at a fore part of the object called cavitator, and the object is eventually enveloped by vaporized water, supercavitation.
Byoung-Kwon Ahn +3 more
doaj +3 more sources
Plasmonic Supercavitation Enables Nanoparticle Photo‐Ejection Across Air/Water Interface [PDF]
Small ScienceThe ability to separate miniscule solid particles (e.g., nanoparticles) from liquid is important to a wide range of applications. However, directly moving nanoparticles out of liquid is difficult as the capillary force on the nanoparticle at the liquid ...
Qiushi Zhang +11 more
doaj +2 more sources
Experimental investigation of combustion hot-gas ventilated supercavitation
International Journal of Naval Architecture and Ocean Engineering, 2022 Most of experimental and numerical studies on ventilated supercavitation have been focused on injection of room temperature air. However, in this work, the effect of combustion hot-gas over 1200 K on characteristics of the supercavity was investigated ...
Van-Duyen Pham +2 more
exaly +3 more sources
Environment International, 2023 Water scarcity, one of the most pressing challenges we face today, has developed for many reasons, including the increasing number of waterborne pollutants that affect the safety of the water environment.
Arijana Filipić +12 more
doaj +3 more sources
Double slapping effects on a supercavitation projectile
AIP Advances, 2019 Based on the theory of rigid body kinematics, a double slapping theoretical model is established for supercavitation projectile. And a parabolic simplification model is used for replacing the supercavitation equation in the part region of the cavity ...
Kangjian Wang +4 more
doaj +2 more sources