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RISThe Lower Bound of the Stability Threshold Speed of a Flexible Rotor System in Fluid-Film Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The paper is devoted to the estimation of the lower bound of the stability threshold speed (STS) of a flexible rotor system supported in fluid-film bearings. It is proved theoretically that ...
Mechanism for Onset of Sudden Rising Head Effect in Centrifugal Pump When Handling Viscous Oils
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The “suddenrising head effect†may be prevalent in the head curve when a centrifugal pump transports highly viscous liquids, but it is not well understood presently. To clarify this effect the hydraulic performance of ...
Modeling Viscous Oil Cavitating Flow in a Centrifugal Pump
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Properly modeling cavitating flow in a centrifugal pump is a very important issue for prediction of cavitation performance in pump hydraulic design optimization and application. As a first trial, the issue is explored by ...
A Novel Method of Designing Quiet Zones in Diffuse Fields
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the analysis of quiet zones in broadband diffuse fields using twoand threechannel systems. An optimization method combining a neural network with a search algorithm has been used to design quiet zones ...
Synthesis of Spatial Mechanism UR 2SS for Path Generation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article presents a new spatial mechanism with single degree of freedom (DOF) for threedimensional path generation. The path can be defined by prescribing at most seven precision points. The moving platform of the ...
Change in Properties of the Glycocalyx Affects the Shear Rate and Stress Distribution on Endothelial Cells
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The endothelial glycocalyx mediates interactions between the blood flow and the endothelium. This study aims to evaluate, quantitatively, effects of structural change of the glycocalyx on stress ...
Optimum Synthesis of Planar Mechanisms for Path Generation Based on a Combined Discrete Fourier Descriptor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A twophase synthesis method is described, which is capable of solving quite challenging path generation problems. A combined discrete Fourier descriptor (FD) is proposed for shape optimization, and a geometricbased approach ...
Development of a Plasticity-Based Fatigue Damage Model for Asphalt Binder
Publisher: American Society of Civil Engineers
Abstract: AbstractFatigue cracking is one of the major distresses in asphalt pavement. In past studies
that characterized the fatigue mechanism of asphaltic materials, plasticity has been
considered independent of damage. However, ...
Case Study of Moisture and Heat Budgets within Atmospheric Rivers
Publisher: American Meteorological Society
Abstract: his work studies moisture and heat budgets within two atmospheric rivers (ARs) that made landfall on the west coast of North America during January 2009. Three-dimensional kinematic and thermodynamic fields were constructed ...
Convective Momentum Transport Observed during the TOGA COARE IOP. Part II: Case Studies
Publisher: American Meteorological Society
Abstract: Convective momentum transport (CMT) associated with the Madden?Julian oscillation (MJO), tropical waves, squall and nonsquall mesoscale convective systems (MCSs), and the diurnal cycle is studied by examining the momentum ...