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RISTheoretical Analysis of Transitional and Partial Cavity Instabilities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a new time marching calculation of blade surface cavitation based on a linearized free streamline theory using a singularity method. In this calculation, closed cavity models ...
Dynamics of a Cavitating Propeller in a Water Tunnel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the unsteady dynamics and inherent instabilities of a cavitating propeller operating in a water tunnel. First, the steady characteristics of the cavitating propeller such ...
Observations of Oscillating Cavitation of an Inducer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Oscillating cavitation of an inducer was observed through unsteady inlet pressure measurements and by use of high speed video picture, covering a wide range of flow coefficient and cavitation ...
Analysis of Thermodynamic Effects on Cavitation Instabilities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The suction performance of turbopumps in cryogenic fluids is basically much better than that in cold water because of the thermodynamic effect of cavitation. However, it is not still clear how ...
Steady Analysis of the Thermodynamic Effect of Partial Cavitation Using the Singularity Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: It is well known that the suction performance of turbopumps in cryogenic fluids is much better than that in cold water because of the thermodynamic effect of cavitation. In the present study, ...
Analysis of Rotating Cavitation in a Finite Pitch Cascade Using a Closed Cavity Model and a Singularity Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new method is proposed for the stability analysis of cavitating flow. In combination with the singularity method, a closed cavity model is employed allowing the cavity length freely to ...
Three-Dimensional Linear Analysis of Rotating Cavitation in Inducers Using an Annular Cascade Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A three-dimensional linear analysis of rotating cavitation is carried out using an annular cascade model. The purpose is to investigate three-dimensional effects of cavitation, including the radial ...
A Linear Stability Analysis of Cavitation in a Finite Blade Count Impeller
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The linear stability analysis of cavitation in flat plate cascades corresponding to 2, 3, 4, and 5-bladed impeller was carried out to clarify the effect of the blade count on cavitation ...
Theoretical Analysis of Cavitation in Inducers With Unequal Blades With Alternate Leading Edge Cutback: Part I—Analytical Methods and the Results for Smaller Amount of Cutback
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With the idea of reducing the region of rotating cavitation by cutting back the leading edge of blade alternately and enhancing the stability of alternate blade cavitation, an analysis of ...
Modeling of 2-D Leakage Jet Cavitation as a Basic Study of Tip Leakage Vortex Cavitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As the first step of the study of cavitation in the tip leakage flow in turbomachinery, experimental and numerical investigations on characteristics of 2-D leakage jet cavitation are conducted. ...