Relevant bibliographies by topics / Super-Cavitation

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Super-Cavitation'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Super-Cavitation"

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S, Goutham. "Effect of Super Cavitation Effect on AUVs." International Journal for Research in Applied Science and Engineering Technology 6, no. 1 (2018): 921–33. http://dx.doi.org/10.22214/ijraset.2018.1139.

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Yang, Ying, and Jing Hua Dai. "Experimental Investigation on Cavitation Characteristics of a Three-Groove Journal Bearing." Applied Mechanics and Materials 420 (September 2013): 47–50. http://dx.doi.org/10.4028/www.scientific.net/amm.420.47.

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Under high and super-high speed, oil film of the journal bearing is easy to crack and then becomes cavitation. The existence of cavitation has an important effect on the work characteristics of the shaft. On the journal bearing experiment rig the cavitation characteristics of the three-groove journal beaing were studied. The influences of the shaft rotating speed and supply pressure on cavitation shape were investigated. The results show that rotating speed and supply pressure have a clear effect on the cavitation shape, and the number of cavitation strip in the rupture zone decreases when the
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Yang, Ying, Jing Hua Dai, and Xu Li. "Experimental Research on Cavitation Characteristics of a Novel Hybrid Journal Bearing." Applied Mechanics and Materials 420 (September 2013): 74–77. http://dx.doi.org/10.4028/www.scientific.net/amm.420.74.

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Under high and super high speed, the oil film of a journal bearing is easy to crack and then becomes cavitation. The existence of cavitation has a great effect on the work performance of the bearing. The cavitation mechanism of a spiral oil wedge journal bearing was investigated on the experimental rig. The effects of rotating speed and supply pressure on the cavitation shape of oil film and the number of cavitation strip in the rupture zone were analyzed. The results show that the cavitation shape of oil film is a long strip. The number of cavitation strip increases when supply pressure has b
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Ahn, Jong-Woo, Gun-Do Kim, Bu-Geun Paik, and Kyoung-Youl Kim. "Development of the Driving Pump for the Super-cavitation & High-speed Cavitation Tunnel." Journal of the Society of Naval Architects of Korea 55, no. 2 (2018): 153–60. http://dx.doi.org/10.3744/snak.2018.55.2.153.

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Ravelet, Florent, Amélie Danlos, Farid Bakir, Kilian Croci, Sofiane Khelladi, and Christophe Sarraf. "Development of Attached Cavitation at Very Low Reynolds Numbers from Partial to Super-Cavitation." Applied Sciences 10, no. 20 (2020): 7350. http://dx.doi.org/10.3390/app10207350.

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The present study focuses on the inception, the growth, and the potential unsteady dynamics of attached vapor cavities into laminar separation bubbles. A viscous silicon oil has been used in a Venturi geometry to explore the flow for Reynolds numbers ranging from Re=800 to Re=2000. Special care has been taken to extract the maximum amount of dissolved air. At the lowest Reynolds numbers the cavities are steady and grow regularly with decreasing ambient pressure. A transition takes place between Re=1200 and Re=1400 for which different dynamical regimes are identified: a steady regime for tiny c
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Kadivar, Ebrahim, Erfan Kadivar, Khodayar Javadi, and Seyyed Morteza Javadpour. "The investigation of natural super-cavitation flow behind three-dimensional cavitators: Full cavitation model." Applied Mathematical Modelling 45 (May 2017): 165–78. http://dx.doi.org/10.1016/j.apm.2016.12.017.

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Zhang, De Xin, Xue Bo Shao, Li Lou, and Lei Liu. "Optimization of Underwater Cavity's Shape." Advanced Materials Research 291-294 (July 2011): 1925–28. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.1925.

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The steady bubble shape as one of the basic research, plays a decisive role in the cavitation’s study, To study it clearly will be not only basis for the study of non-steady cavitation, but also provide the necessary basis for the design of the control for cavitation bubble. In this paper, cavity shape produced by submerged body is studied, and related to the use of foreign experimental results, super-cavitation resistance, drag reduction is discussed.
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Yang, Ying, Li Xu, and Wen Qing Liu. "Experimental Study on Cavitation Boundary of Journal Bearing." Applied Mechanics and Materials 378 (August 2013): 362–66. http://dx.doi.org/10.4028/www.scientific.net/amm.378.362.

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Under high and super-high speed conditions, oil film of the journal bearing is easy to crack and then becomes cavitation. The existence of cavitation has a great effect on the work characteristics of the bearing. Cavitation boundary of a three-groove journal beaing was investigated on the journal bearing experimental rig. The influences of rotating speed and supply pressure on cavitation boundary were studied. And experimental equations of reformation location and the percent of rupture area are established. The results show that rupture location of oil film is not related with rotating speed
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Kwok, C. T., H. C. Man, and F. T. Cheng. "Cavitation erosion of duplex and super duplex stainless steels." Scripta Materialia 39, no. 9 (1998): 1229–36. http://dx.doi.org/10.1016/s1359-6462(98)00308-x.

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Oleksandr, Moloshnyi, and Szulc Przemyslaw. "The investigation of the cavitation processes in the radial labyrinth pump." Open Engineering 8, no. 1 (2018): 322–28. http://dx.doi.org/10.1515/eng-2018-0034.

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Abstract The paper concerns the analysis of the cavitation processes in the flow passages of the radial labyrinth pump. The object of the analysis contains the active (moving) and the passive (stationary) discs with straight channels trajectory and semi-circular cross-section. The conversion of the mechanical energy into hydraulic based on the exchange of the momentum between the liquid remaining in the moving and the stationary areas of the discs as well as on the centrifugal increase of the moment of momentum. The analysis of the cavitation processes was realized by the experimental research
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Dissertations / Theses on the topic "Super-Cavitation"

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Chang, Shu-Hao. "Numerical simulation of steady and unsteady cavitating flows inside water-jets." Thesis, 2012. http://hdl.handle.net/2152/ETD-UT-2012-08-6310.

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A numerical panel method based on the potential flow theory has been refined and applied to the simulations of steady and unsteady cavitating flows inside water-jet pumps. The potential flow inside the water-jet is solved simultaneously in order to take the interaction of all geometries (blades, hub and casing) into account. The integral equation and boundary conditions for the water-jet problem are formulated and solved by distributing constant dipoles and sources on blades, hub and shroud surfaces, and constant dipoles in the trailing wake sheets behind the rotor (or stator) blades. The inte
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Pellone, Christian. "CALCUL DE L'ECOULEMENT AUTOUR DES STRUCTURES MINCES PAR LA METHODE DES SINGULARITES. DEVELOPPEMENT DU PRINCIPE DE MINIMISATION ET APPLICATION A DIFFERENTES CONFIGURATIONS SUB- ET PARTIELLEMENT CAVITANTES." Habilitation à diriger des recherches, 1985. http://tel.archives-ouvertes.fr/tel-01023185.

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Une méthode de calcul non-linéaire d'écoulement autour de structures minces par la méthode des singularités est présentée. Le concept de minimisation est développé et appliqué à des configurations sub-cavitantes, partiellement cavitantes et super-cavitantes. Ce concept est relatif aux erreurs numériques commises sur les débits de fuite. Le calcul non-linéaire de la géométrie de la poche de cavitation est obtenu par une procédure itérative. La méthode est validée par différentes comparaisons des résultats avec les résultats de référence issus de la littérature. Le cas de la grille d'aubes a été
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Book chapters on the topic "Super-Cavitation"

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Mossoba, Y. "Super System: A Hydroelectric Unit Condition Monitoring System in Operation at Hydro-Quebec." In Hydraulic Machinery and Cavitation. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-010-9385-9_117.

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"6DOF motion and Cavity Dynamics of a Ventilated Super-cavitating Vehicle with Control Fins." In Proceedings of the 10th International Symposium on Cavitation (CAV2018). ASME Press, 2018. http://dx.doi.org/10.1115/1.861851_ch1.

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Conference papers on the topic "Super-Cavitation"

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Kinzel, Michael P., Jules W. Lindau, and Robert F. Kunz. "Free-Surface Proximity Effects in Developed and Super-Cavitation." In 2008 DoD HPCMP Users Group Conference. IEEE, 2008. http://dx.doi.org/10.1109/dod.hpcmp.ugc.2008.65.

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Yoshida, Yoshiki, Masato Eguchi, Taiichi Motomura, Masaharu Uchiumi, Hirotaka Kure, and Yoshiyuki Maruta. "Rotordynamic Forces Acting on Three-Bladed Inducer Under Super-Synchronous/Synchronous Rotating Cavitation." In ASME 2008 Fluids Engineering Division Summer Meeting collocated with the Heat Transfer, Energy Sustainability, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/fedsm2008-55135.

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Asymmetric cavitation, in which cavity lengths are unequal on each blade, is known as a source of cavitation induced shaft vibration in turbomachinery. To investigate the relationship of the uneven cavity length and rotordynamic force in a cavitating inducer with three blades, we conducted two experiments. In one, the growth of cavity unevenness at the inception of synchronous rotating cavitation in cryogenic flow was observed, and in the other, the rotordynamic fluid forces in water were examined by using a rotordynamic test stand with active magnetic bearings. Rotordynamic performances were
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Park, Sunho, and Shin Hyung Rhee. "Numerical Analysis of Super-Cavitating Flow Around a Two-Dimensional Cavitator Geometry." In ASME-JSME-KSME 2011 Joint Fluids Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajk2011-33010.

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Mostly for military purposes, which require high speed and low drag, super-cavitating flows around under-water bodies have been an interesting, yet difficult research subject for many years. In the present study, high speed super-cavitating flow around a two-dimensional symmetric wedge-shaped cavitator was studied using an unsteady Reynolds-averaged Navier-Stokes equations solver based on a cell-centered finite volume method. To verify the computational method, flow over a hemispherical head-form body was simulated and validated against existing experimental data. Through the verification test
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Yoshida, Yoshiki, Yoshifumi Sasao, Mitsuo Watanabe, Tomoyuki Hashimoto, Yuka Iga, and Toshiaki Ikohagi. "Thermodynamic Effect on Rotating Cavitation in an Inducer." In ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37468.

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Rotating cavitation in inducers is known as one type of cavitation instability, in which an uneven cavity pattern propagates in the same direction as the rotor with a propagating speed ratio of 1.0–1.2. This rotating cavitation causes shaft vibration due to the increase of the unsteady lateral load on the inducer. On the other hand, cavitation in cryogenic fluids has a thermodynamic effect because of the thermal imbalance around the cavity. It improves cavitation performances due to the delay of cavity growth. However, the relationship between the thermodynamic effect and cavitation instabilit
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Pouffary, Benoiˆt, Regiane Fortes Patella, and Jean-Luc Reboud. "Numerical Analysis of Cavitation Instabilities In Inducer Blade Cascade." In ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77357.

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The cavitation behavior of a four-blade rocket engine turbopump inducer was simulated by the CFD code Fine/TurboTM. The code was modified to take into account a cavitation model based on a homogeneous approach of cavitation, coupled with a barotropic state law for the liquid/vapor mixture [1–4]. In the present study, the numerical model of unsteady cavitation was applied to a four-blade cascade drawn from the inducer geometry. Unsteady behavior of cavitation sheets attached to the inducer blade suction side depends on the flow rate and cavitation number σ. Numerical simulations of the transien
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Ka¨rrholm, F. Peng, Henry Weller, and Niklas Nordin. "Modelling Injector Flow Including Cavitation Effects for Diesel Applications." In ASME/JSME 2007 5th Joint Fluids Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/fedsm2007-37518.

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In this paper, cavitation and pressure parameters measured in a model diesel injector are compared to data acquired by numerical simulations using a new code developed for the Open-FOAM platform, which uses a barotropic equation of state together with the homogeneous equilibrium assumption. It is a viscid code, allowing both compressible liquid and vapour to be modelled. The mass flow and cavitation probabilities obtained from the simulations are compared to data obtained in experiments performed at AVL’s laboratories, in which the flow through an almost two-dimensional nozzle was examined. Th
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Ahn, Byoung-Kwon, Hyoung-Tae Kim, and Chang-Sup Lee. "Experimental and Numerical Studies on Super-Cavitating Flow of Axisymmetric Cavitators." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20964.

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Recently underwater systems moving at high speed such as a super-cavitating torpedo have been studied for their practical advantage of the dramatic drag reduction. In this study we are focusing our attention on super-cavitating flows around axisymmetric cavitators. A numerical method based on inviscid flow is developed and the results for several shapes of the cavitator are presented. First using a potential based boundary element method, we find the shape of the cavitator yielding a sufficiently large enough cavity to surround the body. Second, numerical predictions of supercavity are validat
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Testud, Philippe, Avraham Hirschberg, Pierre Moussou, and Yves Aure´gan. "Cavitating Orifice: Flow Regime Transitions and Low Frequency Sound Production." In ASME 2005 Pressure Vessels and Piping Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pvp2005-71232.

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Detailed data are provided for the broadband noise in a cavitating pipe flow through a circular orifice in water. Experiments are performed under industrial conditions, i.e., with a pressure drop varying from 3 to 30 bars and a cavitation number in the range 0.10 ≤ σ ≤ 0.77. The speed of sound downstream of the orifice happens to vary spontaneously for a given set of hydraulic conditions. In the intermediate ‘developed cavitation’ regime, whistling associated with periodic vortex shedding is observed. In the ‘super cavitation’ regime, a vapor cloud develops itself and the whistling disappears.
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Hagiwara, Ryosuke, and Yuka Iga. "The Numerical Analysis of Control Effect on Cavitation Instabilities in a Cascade With a Random Slit." In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-33292.

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In the present study, numerical analysis was carried out around the a cyclic flat-plate cascade with a random slit, so as to examine the suppressing or controlling effect of the slit for cavitation instabilities such as a cavitation surge and rotating cavitation. These instabilities cause various problem for the turbomachinery, for example, rotating cavitation causes an asynchronous axial vibration, and cavitation surge causes a pulsation of working fluid by resonance phenomenon of the system. Especially, in liquid propellant rocket engine, suppression process for these instabilities bring inc
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Brizzolara, Stefano, and Yin Lu Young. "Physical and Theoretical Modeling of Surface-Piercing Hydrofoils for a High-Speed Unmanned Surface Vessel." In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-84028.

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The objective of this work is to investigate the performance of two pairs of negative dihedral surface-piercing (SP) hydrofoils designed especially for an unmanned surface vessel with a top speed of 120 knots in sea state two. Physical modeling of a 1/6-scaled model of the SP hydrofoil was conducted at the free-surface cavitation tunnel at the Technical University of Berlin (TUB). The SP hydrofoil feature a new type of super-cavitating profile with an annex tapered trailing edge to achieve good efficiencies in foil born conditions (60–120 knots, super-cavitating/ super-ventilated regimes), as
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