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RISResearch on Ultrasonic-Assisted Fixed-Abrasive Lapping Technology for Engineering Ceramics Cylindrical Part
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Lapping is a key processing step for precision parts, which directly affects machining quality, precision, and efficiency. Due to some drawbacks of free-abrasive lapping such as deep scratches on the lapped surface, lower ...
On the Unsteady Rotationally Symmetric Flow Between a Stationary and a Finite Rotating Disk With a Given Change in the Axial Velocity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We consider the scenario of an unsteady viscous flow between two coaxial finite disks, one stationary and the other rotating with an axial velocity changing impulsively from zero to a constant value. The three-dimensional ...
Buckling of Externally Pressurized Toroidal Shell With Stiffened Ribs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The buckling characteristics of toroidal shells with closed circular cross sections loaded with a static external pressure were investigated. Eight toroidal shell test models were developed: two ribless, two semicircular ...
Directed Energy Deposition of Zirconia-Toughened Alumina Ceramic: Novel Microstructure Formation and Mechanical Performance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Over the past two decades, a considerable amount of work has been done on zirconia-toughened alumina (ZTA) to take advantage of the recognized toughening effect induced by ZrO2. In fabricating customized or complex-shaped ...
Memory-Augmented Prediction With Cross-Iteration Alignment for Anomaly Signal Detection in the Integrated Test of Aerospace Products
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Anomaly detection in integrated test signals is crucial for ensuring the reliability and safety of aerospace products. However, this task faces significant challenges due to the scarcity of anomalous samples, the ...
Nonlinear Control of a Quadrotor With Deviated Center of Gravity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a new adaptive tracking controller is developed for a quadrotor unmanned aerial vehicle (UAV) via immersion and invariance (I&I) approach. The controller is able to compensate parametric uncertainties ...
Numerical Analysis of Transient Elastohydrodynamic Lubrication During Startup and Shutdown Processes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, a numerical model is developed for the analysis of elastohydrodynamic lubrication (EHL) at transient conditions during startup and shutdown processes. The time-dependent solutions are derived from an iterative ...
A Numerical Investigation of Mixed Thermal Elastohydrodynamic Lubrication in Tilting-Pad Journal Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The tilting-pad journal bearing in the cooling system of the nuclear power plant is equipped below the ground and vertically positioned to accomplish its function for water transfer. Usually, the loading conditions are ...
Assessment of IMERG v06 Satellite Precipitation Products in the Canadian Great Lakes Region
Publisher: American Meteorological Society
Study on the Influence of Water Spray on the Agglomeration Characteristics of Coal Dust under Acoustic Wave Perturbation
Publisher: American Society of Civil Engineers
Abstract: AbstractTo investigate the aggregation mechanism of coal dust in water spray influenced by
acoustic wave perturbation, based on the theory of acoustic agglomeration, a self-developed
acoustic excitation platform was used ...