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RISA Computational Study on the Influence of Surface Roughness Lay Directionality on Micropitting of Lubricated Point Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study focuses on the influence of roughness lay directionality on micropit crack formation, using a computational approach. A mixed lubrication model is implemented to find the surface tractions, which are used in a ...
Computation and Assignment of the Minima of Structurally Radiated Sound Pressure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The minimum sound pressure is an important aspect of noise control. This means that minimal or no noise at a location will be experienced at a certain frequency. In many engineering applications, it is desirable to compute ...
Mitigating the Degradation of Microwave Self-Healing Efficiency in Asphalt Mixtures under Water Damage and Freeze–Thaw Cycles via Silicon Carbide Aggregates
Publisher: American Society of Civil Engineers
Abstract: AbstractTo assess the potential of silicon carbide (SiC) as microwave-enhanced aggregates
for improving the self-healing performance of asphalt mixtures, this study examined
the influence of SiC particle size and substitution ...
Helium Brayton Cycle and Water Rankine Cycle Combined System for Concentrating Solar Power Sustained by Phase Change Material Thermal Storage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This study proposes a combined thermal cycle by a Helium Brayton cycle at high temperatures (800–850 °C) on top of a water Rankine cycle. Thanks to its high thermal conductivity, helium is also an excellent heat ...
An Approach for the Gear Rolling Contact Fatigue Acceleration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study proposes an approach for the acceleration of the experimental gear rolling contact fatigue (RCF) crack formation. By increasing the rotational velocity of a gear pair, the RCF experimental time period is reduced. ...
Exergy Destruction Mechanism of Coal Gasification by Combining the Kinetic Method and the Energy Utilization Diagram
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gasification is the core unit of coal-based production systems and is also the site where one of the largest exergy destruction occurs. This paper reveals the exergy destruction mechanism of carbon gasification through a ...
Experimental Investigation of the Behavior of a Lattice Steel Column Repaired with Pultruded GFRP Profiles
Publisher: American Society of Civil Engineers
Abstract: In this paper, a series of joint tests and full-scale structural tests were performed to assess the effectiveness of pultruded glass fiber-reinforced polymer (GFRP) profiles for rehabilitating lattice steel columns. The ...
Coal Based Cogeneration System for Synthetic/Substitute Natural Gas and Power With CO2 Capture After Methanation: Coupling Between Chemical and Power Production
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cogeneration of synthetic natural gas (SNG) and power from coal efficiently and CO2 capture with low energy penalty during coal utilization are very important technical paths to implement clean coal technologies in China. ...
Assessment of Low Cycle Fatigue Life of Steam Turbine Rotor Based on a Thermodynamic Approach
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new nonlinear model is proposed to assess the low cycle fatigue life of a 300 MW steam turbine rotor. Manson-Coffin equation and cyclic stress-strain relationship are employed to eliminate ...
Centrifuge-Guided Theoretical Analysis of Slurry-Supported Borehole Stability in Nonhomogeneous Clay
Publisher: American Society of Civil Engineers
Abstract: Abstract The stability of slurry-supported pile boreholes in nonhomogeneous clays is critical
for underground geotechnical problems involving bored pile foundations. However, existing
analyses rarely capture the experimentally ...