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RISSimulation and Experimental Investigation of a New Type of Combined Seal Structure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on the study of leakage characteristics of labyrinth seal structure (LSS), a new type of combined seal structure (CSS) consisting of the labyrinth structure and the nozzle structure has been proposed. The sealing ...
Influence of Pump Rotation Speed on Hydrodynamic Performance and Stator Blade Surface Pressure Pulsation in Torque Converter
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental investigation was performed to characterize the influence of pump rotation speed on the hydrodynamic performance and the associated unsteady pressure on the stator blade pressure-surface in a torque converter. ...
Effect of Nitric Acid on Modified Mesoporous Carbon as Catalyst Support of Direct Methanol Fuel Cell
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nitric acid modified Mesoporous carbon (CMK3) supported Pt particles have been prepared by chemical reduction with NaBH4 as a reducing agent. Energy dispersive spectrometer shows that the catalysts have some oxygenic ...
Turbidity of Stormwater Runoff from Highway Construction Sites
Publisher: American Society of Civil Engineers
Abstract: The US Environmental Protection Agency (EPA) proposed a new “Effluent Limitations Guidelines” for construction site runoff management in 29, which required that stormwater effluents be sampled and that the daily average ...
Influence of Temperature on Crack Initiation and Propagation in Granite
Publisher: American Society of Civil Engineers
Abstract: High ground temperature plays an important role in stability analysis when dealing with underground projects. To study the influence of ground temperature on the properties of surrounding rock, conventional triaxial ...
Reliability Assessment of Tunnel Based on P-Wave Seismic Velocity
Publisher: American Society of Civil Engineers
Abstract: This paper aims to propose a new method to analyze the stability of a tunnel using P-wave seismic velocity (Vp) with the help of the Tunnel Seismic Prediction 23 plus system (TSP23PLUS). On one hand, the relationship between ...
Experimental Analysis of Stress in Cement Concrete Pavement with Base Cracks
Publisher: American Society of Civil Engineers
Abstract: In order to analyze the stress varieties in cement pavement slabs caused by load with the existence of base cracks, the influences of moduli, crack locations and quantities of semi-rigid base and lean concrete base, thickness ...
Effects of Environment and Fatigue on the Piezoresistivity of Carbon Nanotube–Cement Composite
Publisher: American Society of Civil Engineers
Abstract: The effects of environment and fatigue on the electrical resistance and piezoresistivity of the carbon nanotube–cement composite is investigated under a service environment using a four-probe method. The main influencing ...
Numerical Investigation on Instability of Buildings Caused by Adjacent Deep Excavation
Publisher: ASCE
Abstract: The embedded ratio of retaining structures and improved depth of ground at an excavation base are two key factors for the stability of deep excavation. For a collapsed excavation in soft clay in Hangzhou, China, a numerical ...
A Trajectory Planning Method for Capture Operation of Space Robotic Arm Based on Deep Reinforcement Learning
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to deal with the complex dynamics and control problems involved in space debris removal, a trajectory planning technique for a spatial robotic arm based on twin delayed DDPG (TD3) in deep reinforcement learning ...