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RISThe Generalized Newtonian Fluid Model and Elastohydrodynamic Film Thickness
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The nature of real shear-thinning in elastohydrodynamic contacts is well-known from both experimental measurement and nonequilibrium molecular dynamics to follow a power-law. Shear-thinning will ...
Numerical Simulation of Droplet Flows and Evaluation of Interfacial Area
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Droplet flows with coalescence and breakup are simulated numerically using the lattice Boltzmann method. It is shown that the rising velocities are in good agreement with those obtained by the ...
The High Pressure Rheology of Mixtures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Newtonian mixing rules for several binary systems have been experimentally investigated. Some systems show non-ideal mixing response and for some systems the non-ideal response is pressure-dependent, ...
Experimental Study on Static and Dynamic Characteristics of Liquid Annular Convergent-Tapered Damper Seals With Honeycomb Roughness Pattern
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Honeycomb damper seals with convergent-tapered clearance have been proposed to improve static and dynamic characteristics of liquid annular seals employed in pumps. Their characteristics are ...
An Experimental Study of the Acoustic Oscillations by Flows Over Cavities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We present an experimental study of acoustic oscillations induced by an internal airflow over a shallow and a deep cavity. The Kelvin-Helmholtz instability is interacting with an acoustic mode ...
A Method for Pressure Calculation in Ball Valves Containing Bubbles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method of analyzing bubbly flow in a ball valve in a hydraulic circuit is presented. The dynamics of a single bubble can be well described by a quasi-static approximation of the Rayleigh-Plesset ...
The Modeling of Thin Liquid Films Along Inclined Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper is concerned with the analysis of thin and ultra-thin liquid films. The results are applicable to various geometrical and kinematic conditions, including both stationary and moving ...
Modeling and Validation of a Lean Burn Natural Gas Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a control-oriented model of a medium-duty throttle-body natural gas engine is developed. The natural gas engine uses lean-burn technology without exhaust gas recirculation (EGR). ...
The Fault-Tolerant Control of Magnetic Bearings With Reduced Controller Outputs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The fault-tolerant control scheme utilizes grouping of currents to reduce the required number of controller outputs. Reduced current distribution matrices can be calculated with the constraint ...
Improving Startup Behavior of Fluid Couplings Through Modification of Runner Geometry: Part I—Fluid Flow Analysis and Proposed Improvement
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For the use as a startup device the characteristic of a hydrodynamic coupling has to be steep at the nominal high speed operation condition and flat in the range of lower speed ratios. The ...