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RISDetermination of Critical Temperature of Scuffing for AISI 8620 Steel Gear Contacts Lubricated by Dexron 6 Through Computational Simulation of Experiment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study establishes the critical temperature of scuffing for contacts of gears made of AISI 8620 steel alloy, lubricated by Dexron 6 oil. Through thermal mixed elastohydrodynamic lubrication modeling, experimental ...
Simplified Model and Energy Dissipation Characteristics of a Rectangular Liquid-Storage Structure Controlled with Sliding Base Isolation and Displacement-Limiting Devices
Publisher: American Society of Civil Engineers
Coupled Effect of Loading and Environment of Concrete Bridge in Service Life
Publisher: American Society of Civil Engineers
Abstract: A numerical method is proposed to study load and the environment couple effect during the service of a concrete bridge. By studying the corrosion process of reinforcement bars, the strain of the bars is decomposed into two ...
Mechanical Damage and Failure Behavior of Shaft-Lining Concrete after Exposure to High Pore-Water Pressure
Publisher: ASCE
Abstract: In order to investigate the effects of high pore-water pressure on the mechanical damage and failure behavior of mine shaft–lining concrete, specimens were immersed in a high-water-pressure container (up to 10 MPa) ...
Dynamic OD Estimation Simulation Optimization Based on Video License Plate Recognition
Publisher: American Society of Civil Engineers
Abstract: In order to solve the problem that there are lack of research tools and methods to estimate the dynamic OD based on video license plate recognition (VLPR), by using the Visual Basic program language and component object ...
Effects of Ambient Oxygen Concentration on Soot Temperature and Concentration for Biodiesel and Diesel Spray Combustion
Publisher: American Society of Civil Engineers
Abstract: Ambient oxygen concentration, a key variable directly related to exhaust gas recirculation (EGR) levels in diesel engines, plays a significant role in particulate matter (PM) and nitrogen oxides (
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 ...
Study of Dynamic Model of Helical/Herringbone Planetary Gear System With Friction Excitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Tooth friction is unavoidable and changes periodically in gear engagement. Friction excitation is an important excitation source of a gear transmission system. They are different than the friction coefficients of any two ...
Study on Vibration Characteristics of Fan Shaft of Geared Turbofan Engine With Sudden Imbalance Caused by Blade Off
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on the requirements of the dynamic design of geared turbofan (GTF) engines, the vibration characteristic of the fan shaft is investigated. The effect of sudden imbalance caused by blade off, the time-varying meshing ...
Coupled Dynamic Characteristics of Wind Turbine Gearbox Driven by Ring Gear Considering Gravity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gravity is usually neglected in the dynamic modeling and analysis of the transmission system, especially in some relatively lightweight equipment. The weight of wind turbine gearbox is up to tens of tons or even hundreds ...