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RISA Cobalt Diffusion Based Model for Predicting Crater Wear of Carbide Tools in Machining Titanium Alloys
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In machining titanium alloys with cemented carbide cutting tools, crater wear is the predominant wear mechanism influencing tool life and productivity. An analytical wear model that relates crater ...
Influence of Exit Surface Angle on Drilling Burr Formation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The influence of an exit surface angle on drilling burr formation was analyzed. The experimental research found that a burr forms on only a certain portion of a hole when an exit surface ...
A New Approach to the Effect of EP Additive and Surface Roughness on the Pitting Fatigue of a Line-Contact System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A gear-cam adaptor was used to investigate the effect of an extreme pressure (EP) additive in the base oil and roller’s surface roughness on the pitting life of a disk specimen under oil ...
Experimental and Numerical Study of Unsteady Flow in a Diffuser Pump at Off-Design Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental and numerical study was developed for the unsteady phenomena at off-design conditions of a diffuser pump. Unsteady pressure measurements were made downstream of the impeller, and ...
An Information-Theoretic Entropy Metric for Assessing Multi-Objective Optimization Solution Set Quality
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An entropy-based metric is presented that can be used for assessing the quality of a solution set as obtained from multi-objective optimization techniques. This metric quantifies the “goodness” ...
Correcting Inflow Measurements From Wind Turbines Using a Lifting-Surface Code
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to provide accurate blade element data for wind turbine design codes, measured three-dimensional (3D) field data must be corrected in terms of the (sectional) angle of attack. A 3D ...
Semiactive Isolator With Liquid-Crystal Type ER Fluid for Momentum-Wheel Vibration Isolation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A semiactive isolator filled with liquid-crystal type electro-rheological (ER) fluid was developed to attenuate the disturbances generated by a momentum-wheel and to improve pointing performance. ...
A Navier–Stokes Analysis of the Stall Flutter Characteristics of the Buffum Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical stall flutter prediction methods are much needed, as modern jet engines require blade designs close to the stability boundaries of the performance map. A Quasi-3D Navier–Stokes code ...
Reduced Order Nonlinear Navier-Stokes Models for Synthetic Jets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: While the potential for the use of synthetic jet actuators to achieve flow control has been noted for some time, most of such flow control studies have been empirical or experimental in ...
Modeling Chip-Evacuation Forces and Prediction of Chip-Clogging in Drilling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: One of the fundamental difficulties of the drilling process is the evacuation of the chips from the drilled hole. As the hole depth increases, the chips tend to cluster together and clog the ...