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RISAnalysis of Focusing Effect of Light Metallic Layer in Stratified Molten Pool Under IVR ERVC Condition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The main failure mechanism of invessel corium retention through external reactor vessel cooling (IVRERVC) happens when the local heat flux through reactor pressure vessel (PRV) wall exceeds the critical heat flux (CHF). ...
Design of Linear Parameter-Varying Based Sliding Mode Regulator for Limit Protection of Aero-Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In aircraft engine control, replacing linear regulators by sliding mode control (SMC) regulators is considered as an effective approach to reducing the conservatism in the traditional treatment for limit protection. However, ...
An Improved Slicing Technique for Finite Line Contacts in the Modeling of Rolling Element Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Mechanical system often involves the finite line contact of key components such as rolling element bearings and gear pairs. Different contact models have been developed to predict the load–displacement relationship and ...
Investigation on a Class of 2D Profile Amplified Stroke Dielectric Elastomer Actuators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Dielectric elastomer actuators (DEAs) have been widely studied in soft robotics due to their muscle-like movements. Linear DEAs are typically tensioned using compression springs with positive stiffness or weights directly ...
Weakening of the Silk Road Pattern in August after the Mid-1990s
Publisher: American Meteorological Society
Optimal Design and Experimental Study of a Multidynamic Vibration Absorber for Multifrequency Excitation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The inevitable manufacturing errors of rotational machineries cause vibration of multifrequency. This paper presents a multidynamic vibration absorber (MDVA) to suppress the vibration of multifrequency. The MDVA consists ...
3D Discrete Solid-Element Method for Elastoplastic Problems of Continuity
Publisher: American Society of Civil Engineers
Abstract: This paper proposes a novel three-dimensional (3D) discrete solid-element method (DSEM) to calculate the extremely large deformation and high material nonlinearity of continuity. In DSEM, the material is discretized into ...
Multivariable Adaptive Control Method for Turbofan Engine With Dynamic and Input Uncertainties
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamic characteristics of the turbofan engine vary greatly in the full flight envelope, which makes the problem of dynamic uncertainty and input uncertainty very prominent. This brings different degrees of performance ...
Experimental Study on the Effect of Off-Sized Rollers on the Dynamic Load Distribution in a Cylindrical Roller Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The differences in the roller diameters within a roller bearing are unavoidable in practice, which is known as the off-sized effect. The off-sized effect results in the dynamic variation of the load distribution in bearings ...
A Fast Calculation Approach for Elastohydrodynamic Finite Line Contacts Applicable to Online Calculations of Rolling Bearing Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Finite line contacts in rolling element bearings are usually under the regime of elastohydrodynamic lubrication (EHL). To obtain deeper insights into bearing performance, it is necessary to directly couple EHL contact ...