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RISDiffusion Induced Bubble Populations Downstream of a Partial Cavity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Bubble populations downstream of stable partial cavities were examined using in-line holography, and the bubble number distribution and void fraction of the bubbly clouds were determined. The ...
The Influence of Grooves on the Fully Wetted and Aerated Flow Between Open Clutch Plates
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In a disengaged or open clutch mode, one plate rotates while the other is stationary. This speed difference between the two plates (on the order of 1000 rpm) and the small clearance between ...
Tip Vortex Cavitation Suppression by Active Mass Injection
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Injection of water and aqueous polymer solutions in to the core of a trailing vortex was found to delay the inception of tip vortex cavitation (TVC). Optimal levels of mass injection reduced ...
Aeration in Lubrication With Application to Drag Torque Reduction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The aeration of an oil film flowing between the faces of two closely spaced circular plates (one stationary, and one rotating) is examined experimentally, numerically, and with an improved ...
Hemolytic Potential of Hydrodynamic Cavitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The purpose of this study was to determine the hemolytic potentials of discrete bubble cavitation and attached cavitation. To generate controlled cavitation events, a venturi-geometry hydrodynamic ...
Measurement of the Bubbly Flow Beneath Partial Attached Cavities Using Electrical Impedance Probes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Surface electrical impedance probes are used to examine the bubbly flow beneath and in the closure region of partial attached cavities. A series of electrodes were mounted flush to the surface ...
Modeling and Parametric Study of Torque in Open Clutch Plates
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The relative motion of the friction and separator plates in wet clutches during the disengaged mode causes viscous shear stresses in the fluid passing through the 100microns gap. This results ...
Development of a Tip-Leakage Flow Part 2: Comparison Between the Ducted and Un-ducted Rotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The vortical flow in the tip region of a three-bladed rotor was examined using particle imaging velocimetry (PIV). The vortex forming at the tip of the un-ducted propeller was compared to the ...
Development of a Tip-Leakage Flow—Part 1: The Flow Over a Range of Reynolds Numbers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An extensive experimental investigation was carried out to examine the tip-leakage flow on ducted propulsors. The flow field around three-bladed, ducted rotors operating in uniform inflow was ...
Testing and Calibration Procedures for Mistuning Identification and Traveling Wave Excitation of Blisks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, an integrated testing and calibration procedure is presented for performing mistuning identification (ID) and traveling wave excitation (TWE) of one-piece bladed disks (blisks). The ...