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RISResearch on Unsteady Flow Mixing Characteristics of Centripetal Wave Rotor Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The centripetal wave rotor combustor can better match the centrifugal compressor and the axial turbine of the reference machine, reduce the size of the engine and simplify the transition section structure. In this paper, ...
Current Studies on Seismic Pounding Effect between Adjacent Bridge Decks and Falling-off Prevention Measures
Publisher: American Society of Civil Engineers
Abstract: The recent development of the seismic pounding effect between adjacent bridge decks and falling-off measures were introduced in this paper. Firstly, the computing theories and analytical methods of contact-pounding between ...
One-Dimensional Viscous Behavior of Clay and Its Constitutive Modeling
Publisher: American Society of Civil Engineers
Abstract: One-dimensional viscous behavior of clay was evaluated by performing drained one-dimensional compression tests, and drained triaxial compression tests. In both types of tests, the strain rate was changed stepwise many times ...
Optimization of Planetary Movement Parameters for Microhole Drilling by Micro Electrical Discharge Machining
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Microholes are widely used in industrial products, such as engine nozzles and filters for biomedical industry. Electrical discharge machining (EDM) is one of processes to drill microholes in alloy with high aspect ratio. ...
Influence of the Planetary Movement of Tool on the Aspect Ratio of Micro Holes Machined by Micro-Ultrasonic Machining
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The micro-ultrasonic machining (USM) is suitable for machining hard and brittle materials. When a micro hole is drilled deeply using micro-USM, machining speed slows down and the breakage of micro tool may occur. To solve ...
Shake Table Tests of Tall-Pier Bridges to Evaluate Seismic Performance
Publisher: American Society of Civil Engineers
Abstract: More than 4% of the bridges in mountainous areas of Southwest China are constructed with piers having a height of over 4 m. Such piers are characterized by large structural flexibility and distributed mass. To investigate ...
Influence of the Planetary Movement of Tool on the Aspect Ratio of Micro Holes Machined by Micro-Ultrasonic Machining
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: The micro-ultrasonic machining (USM) is suitable for machining hard and brittle materials. When a micro hole is drilled deeply using micro-USM, machining speed slows down and the breakage of micro tool may occur. To solve ...
Numerical Study on the Enhancing Effects of Bump Turbulence Structures on Wave Rotor Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Enhanced combustion technology is identified as a method that can improve both combustion efficiency and energy utilization. In this article, a bump turbulence structure designed for the channels of a wave rotor combustor ...
Numerical Study on the Effect of Channel Configuration on Mixture Formation of an Axial Flow Wave Rotor Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Wave rotor combustor technology is a new technical means to improve the thermal efficiency of aero-engine by using unsteady flow and constant volume combustion. In this article, the influence of wave rotor combustor channel ...