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RISExperimental Study on Estimation Method of Flooding Phenomenon at the Cathode Channel in the Proton Exchange Membrane Fuel Cell
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The paper investigates the effects of the dimensionless number flooding number that can exactly predict the flooding phenomenon in the cathode channel. Experiments were carried out at 0, 50, and 90% relative humidity and ...
Drop Induced Shock Mitigation Using Adaptive Magnetorheological Energy Absorbers Incorporating a Time Lag
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study addresses the nondimensional analysis of dropinduced shock mitigated using magnetorheological energy absorbers (MREAs) incorporating a time lag. This time lag arises from two sources: (1) the time required to ...
Triangular Mesh and Boundary Representation Combined Approach for 3D CAD Lightweight Representation for Collaborative Product Development
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The lightweight representation of three-dimensional computer-aided design (3D CAD) models has drawn much attention from researchers as its usefulness in collaborative product development is vast. Existing approaches are ...
Numerical Investigation on Blockage-Related Cavitation Surge and Pressure Gain of a Mixed-Flow Pump With Influence of Blade Leading Edge Shape on Suction Performance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The blade leading edge is a design variable that can affect the local flow patterns and pressure peaks, implying a direct effect on the cavitation performance. This study was conducted to analyze the effect of the blade ...
Plastic Limit Loads for Slanted Through Wall Cracks in Cylinder and Plate Based on Finite Element Limit Analyses
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The plastic limit load solutions for cylinder and plate with slanted throughwall cracks (TWCs) are developed based on the systematic threedimensional (3D) finite element (FE) limit analyses. As for loading conditions, axial ...
Three-Objective Optimization of a Centrifugal Pump to Reduce Flow Recirculation and Cavitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work presents a three-objective design optimization of a centrifugal pump impeller to reduce flow recirculation and cavitation using three-dimensional (3D) Reynolds-averaged Navier–Stokes equations. A cavitation model ...
Effect of Runner Blade Thickness on Flow Characteristics of a Francis Turbine Model at Low Flowrates
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Francis turbines are often used for generating hydroelectric power, but their performance characteristics significantly depend on the operating conditions. In particular, interblade vortices in the passages between runner ...
Improvement of Hydrodynamic Performance of a Multiphase Pump Using Design of Experiment Techniques
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Multiphase pumps for offshore plants must perform at high pressure because they are installed on deepsea floors to pressurize and transfer crude oil in oil wells. As the power for operating pumps should be supplied to deep ...
Performance Improvement of Cross-Flow Turbine With a Cylindrical Cavity and Guide Wall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The cross-flow turbine has been utilizing to develop small hydropower less than about 500 kW in the world. The turbine cost is lower than the other turbines because of its smaller number of assembled parts and more ...
Curve Numbers for Rice Paddies with Different Water Management Practices in Korea
Publisher: American Society of Civil Engineers
Abstract: The curve number (CN) method has been widely used to estimate the amount of direct runoff generated in agricultural watersheds around the world. However, its applicability to rice paddy fields has yet to be sufficiently ...