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RISNonlinear Dynamic Analysis of a Rigid–Flexible Gear Transmission Considering Geometric Eccentricities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nonlinear vibration, a main factor affecting the dynamic stability, widely exists in the transmission system. In addition, geometric eccentricities caused by the manufacturing errors are inevitable in the gear transmission ...
Bifurcation and Chaos of a Spur Gear Transmission System With Non-Uniform Wear
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, a nonlinear dynamic model of a spur gear transmission system with non-uniform wear is proposed to analyze the interaction between surface wear and nonlinear dynamic characteristics. A quasi-static non-uniform ...
Investigation on Nonlinear Dynamic Characteristics of a New Rigid-Flexible Gear Transmission With Wear
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: At present, the mean value of the meshing stiffness and the gear backlash is a fixed value in the nonlinear dynamic model. In this study, wear is considered in the model of the gear backlash and time-varying stiffness. ...
A Dynamic Wear Model for Micro-Grooved Water-Lubricated Bearings Under Transient Mixed Lubrication Condition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The study presents a dynamic wear model for micro-grooved water-lubricated bearings considering the transient mixed elastohydrodynamic lubrication (mixed-EHL) condition. In the established model, the modified Archard wear ...
Calculation of Gear Meshing Stiffness Considering Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gear meshing stiffness is the key parameter to study the gear dynamic performance. However, the study on the calculation of gear meshing stiffness considering lubrication, especially mixed lubrication, is still insufficient. ...
Which Temperature and Precipitation Extremes Best Explain the Variation of Warm versus Cold Years and Wet versus Dry Years?
Publisher: American Meteorological Society
Abstract: AbstractIntensifying climate extremes are one of the major concerns with climate change. Using 100-yr (1911?2010) daily temperature and precipitation records worldwide, 28 indices of extreme temperature and precipitation ...
Micropitting Fatigue Wear Simulation in Conformal-Contact Under Mixed Elastohydrodynamic Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this study, a physics-based fatigue wear model is proposed to evaluate the reliability and to predict the life of cumulative micropitting wear for lubricated conformal contacts on rough surfaces. The surface normal load, ...
Micropitting Fatigue Wear Simulation in Conformal-Contact Under Mixed Elastohydrodynamic Lubrication
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: In this study, a physics-based fatigue wear model is proposed to evaluate the reliability and to predict the life of cumulative micropitting wear for lubricated conformal contacts on rough surfaces. The surface normal load, ...
Which Temperature and Precipitation Extremes Best Explain the Variation of Warm versus Cold Years and Wet versus Dry Years?
Publisher: American Meteorological Society
Abstract: AbstractIntensifying climate extremes are one of the major concerns with climate change. Using 100-yr (1911?2010) daily temperature and precipitation records worldwide, 28 indices of extreme temperature and precipitation ...