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RISInvestigation on the Radial Heat-Transfer of Pumping Secondary Flow in Semiclosed Rotating Disk Cavity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the mean flow and radial heat-transfer behaviors in semiclosed rotating disk cavity within the canned reactor coolant pump. The flow in the semiclosed cavity contains the Stewartson type flow at ...
Global Performance Index System for Kinematic Optimization of Robotic Mechanism
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Correct evaluation of robot performance has been a problem in the field of robotics. Many scholars have proposed a variety of performance indices, such as manipulability, condition number, and minimum singular value, to ...
Modeling of Underwater Laser Drilling of Alumina
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Laser drilling of alumina is a noncontact material processing method, which has great advantages over the traditional mechanical machining. However, the quality of laser drilling is still a challenge. In this study, a 2D ...
Shape Prediction for Laser Peen Forming of Fiber Metal Laminates by Experimentally Determined Eigenstrain
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Laser peen forming (LPF) is a promising method to fabricate fiber metal laminates (FMLs) with its design flexibility to produce complex shapes. Eigenstrain-based modeling is a helpful method to predict deformation after ...
A Two-Step Model for Multiple Picosecond and Femtosecond Pulses Ablation of Fused Silica
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: The morphology of microchannels machined by multiple ultrafast laser pulses with 500 fs and 8 ps durations on fused silica plate is predicted by a two-step model with experimental validation in present work. A spike structure ...
Analytically Predicating the Multi-Dimensional Accuracy of the Honed Engine Cylinder Bore
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dimensional accuracy of engine cylinder bore at multiscale has a tremendous influence on engine performances including friction power loss, vibration, leak tightness between piston and cylinder, and wear resistance. ...
Predictive Modeling and Uncertainty Quantification of Laser Shock Processing by Bayesian Gaussian Processes With Multiple Outputs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Accurate numerical modeling of laser shock processing, a typical complex physical process, is very difficult because several input parameters in the model are uncertain in a range. And numerical simulation of this high ...
Heating Position Planning in Laser Forming of Single Curved Shapes Based on Probability Convergence
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Inverse problem in laser forming involves the heating position planning and the determination of heating parameters. In this study, the heating positions are optimized in laser forming of single curved shapes based on the ...
Forming Mechanism of Bump Shape in Pulsed Laser Melting of Stainless Steel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Laser surface topography has great applications in mechanical, medical, and electrical industries. This paper proposes a mechanism for the shape formation of stainless steel by pulsed laser melting. A 2D axisymmetric finite ...
Forming Mechanism of Bump Shape in Pulsed Laser Melting of Stainless Steel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Laser surface topography has great applications in mechanical, medical, and electrical industries. This paper proposes a mechanism for the shape formation of stainless steel by pulsed laser melting. A 2D axisymmetric finite ...