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Predicting Gas Leakage in the Rotary Engine—Part II: Side Seals and Summary
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Wankel rotary engine offers a greater power density than piston engines, but higher fuel consumption and hydrocarbon emissions, in large part due to poor gas sealing. This paper presents a model for the deformable ...
Predicting Gas Leakage in the Rotary Engine—Part I: Apex and Corner Seals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Wankel rotary engine offers a greater power density than piston engines, but higher fuel consumption and higher hydrocarbon emissions, in large part due to poor gas sealing. This paper presents a modeling approach to ...
Fatigue Performance of Cement-Stabilized Crushed Gravel Produced Using Vertical Vibration Compaction Method
Publisher: ASCE
Abstract: In this study, the fatigue performance of cement-stabilized crushed gravel (CSCG) is examined. The mechanical strength of CSCG specimens formed using the vertical vibration compaction method (VVCM) or quasi-static compaction ...
Flow Modal Decomposition of a VerticalAxis Wind Turbine With the Moving Boundaries of Rotating Blades
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Aiming at analyzing the wake evolution features of a 3blade vertical axis wind turbine (VAWT), dynamic mode decomposition (DMD) is used to evaluate statistics of the flow field based on unsteady flow field computations. ...
Fiber-Emulsified Asphalt Cold-Recycled Mixture Produced Using Vertical Vibration Compaction: Performance Study
Publisher: ASCE
Abstract: The effects of fiber type and content on the properties of emulsified asphalt cold recycled mixture (ECRM) produced using vertical vibration compaction are examined. The reliability of the vertical vibration testing method ...
Volumetric and Mechanical Properties of Large Stone Asphalt Mixture Produced by Laboratory Compaction of Vertical Vibration Compaction Method
Publisher: ASCE
Abstract: Herein, a vertical vibration compaction method (VVTM) is proposed to stimulate the practical compaction loading condition for a large stone asphalt mixture with nominal maximum size of 53 mm (LSAM-50) and its reliability ...
Research on Mechanical Properties and Design Methods of Graded Gravel in Intercity Railways
Publisher: ASCE
Abstract: Graded gravel is a typical filler for railroad subgrade and the procedures for designing and evaluating it are crucial. The current specifications only stipulate the physical indicators of graded gravel material groups and ...
Traffic Flow Statistics Method and Practice Based on Roadside Video with YOLO_V3
Publisher: ASCE
Abstract: Temporary traffic flow observation plays a pivotal role in transportation planning, consultation, and decision-making, and it supplements fixed long-term traffic observation data. Although substantial automated technology ...
Research on the Optimum Asphalt Film Thickness of Asphalt Mixtures and Its Influence on the Pavement Performance Based on the CT and Blaine Method
Publisher: ASCE
Abstract: The calculation method of asphalt film thickness was proposed by considering the specific surface area of coarse and fine aggregates [computed tomography (CT) and Blaine test methods] and the wrapping effect of fine particles ...
Observational Evidence for a Regime Shift in Summer Antarctic Sea Ice
Publisher: American Meteorological Society