An Indirect Vibratory Method Capable of Simulating Several Cavitating States

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概要

• 論文の詳細を見る

• We attempt to simulate several actual cavitating states appearing in the vibrating field through indirect vibratory erosion tests, whose vibratory system conforms to the ASTM Standards. The cavitation aspects and the distributions of cavitation-induced pressures are systematically observed for various distances L between the stationary specimen and the horn-tip surface, under a specified condition of cavitation-nuclei size distributions. With respect to the distance L, the cavitation aspects and the corresponding pressure distributions are systematically changed from the subcavitating states to the supercavitating states, as in ordinary cavitating flow.

• 社団法人日本機械学会の論文
• 1991-02-15

著者

• OBA Risaburo

  Institute of Fluid Science, Tohoku University

• Oba Risaburo

  Emerit. Professor Of Tohoku University Professor Of Saitama Institute Of Technology

• Oba Risaburo

  Institute Of Fluid Science Tohoku University

• Oba Risaburo

  Institute Of High Speed Mechanics Tohoku University

• ITO Yukio

  Institute of High Speed Mechanics, Tohoku University

• AHMED Shemy

  Institute of Fluid Science, Tohoku University

• KIKUCHI Kinya

  Tohoku Gakuin University

• HIRAIWA Tetsuo

  Tohoku University

• Ito Y

  Inst. Technol.

• Ahmed S

  Assiut Univ. Egy

• Ahmed Shemy

  Institute Of Fluid Science Tohoku University

• Ito Yukio

  Institute Of Fluid Science Tohoku University

関連論文

• Jet Structure Analyses on High-Speed Submerged Water Jets through Cavitation Noises
• Several Kinds Vibrations Arisen around a Typical Highspeed SupercavitatingHydrofoil with Various Nose Shapes
• Appearance of Cavitation and Cavitation-Acoustic-Pulses (Especially in Decelerated-and Accelerated-Flow)
• Singular Behavior of Erosion-Standoff-Distance-Curves for Highspeed-Water-Jets in Air
• Behavior of Cavitation Nuclei in High-Speed Submerged Water-Jet-Tests
• Marked Change in Subcavitation-Cascade Performance Resulting from a Very Slight Modification in Leading Edges
• Spatial Distribution of Cavitation-Shock-Pressure Around a Jet-Flow Gate-Valve : Series B : Fluid Engineering, Heat Transfer, Combustion, Power, Thermophysical Properties
• Base-Vented Performance Simulation for Supercavitating Hydrofoils with Pseudo-Kirchhoff Noses Operating within the Subcavitating Region
• SEM Observation of the Vibratory Cavitation-Fracture Mode during the Incubation Period and the Small Roughness Effect
• Developing Stages of Ultrasonically Produced Cavitation Erosion and Corresponding Surface Roughness
• An Indirect Vibratory Method Capable of Simulating Several Cavitating States
• Several Trials in the Search for a Complete Cavitation Concept
• Flow Calculation of a Mixed-Flow Runner, Especially with Respect to a Marked Effect of the Blade Loading
• SEM Studies of Particles Produced by Cavitation Erosion
• A Suitable Degassing Vacuum-Pressure for Operating the MC-Centrifugal Slurry-Pump
• Characteristics of Bubble-Collapse Pressures in a Karman-Vortex Cavity
• Spatial Distribution of Cavitation-Shock-Pressures around a Jet-Flow Gate-Valve
• Cavitation-Probable Bubbles Flowing Down from a Cavitating Branch Duct
• A Peculiar Behavior of Cavitation-Nuclei-Size Distributions in Sample Water Under Vibratory Erosion Tests
• Stochastic Behavior (Randomness) of Acoustic Pressure Pulses in the Near-Subcavitating Range : Fluids Engineering
• Cavitation Observation in a Jet-flow Gate-valve
• Peculiar Behavior of Disc Drag during Force Measurements for Supercavitating Hydrofoils
• Cavity Separations and Associated Impulsive Pressures around a Cavitating Circular Cylinder (1st Report, Vortex Cavitation in the Wake and Attached Cavitation)
• Peculiar Behavior of Disc Drag During Force Measurements for Super cavitating Hydrofoils
• Unsteady Behavior of Violent-Vibrations Depending upon Type of Cavitation
• Studies on Low-Erosion Butterfly Valves : Suppression of Erosive Vortex Cavitation
• High-Speed Observations of the Cavitation Cloud around a High-Speed Submerged Water Jet
• Suitable Region of High-Speed Submerged Water Jets for Cutting and Peening
• High-Speed Observations of the Vibratory Cavitation Accompanying Hard Erosion
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• High-Speed Stereo-Observations of Violent Vibrations Associated with Three Types of Cavitation

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