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RISOrigami-Based Bistable Metastructures for Low-Frequency Vibration Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this research, we aim to combine origami units with vibration-filtering metastructures. By employing the bistable origami structure as resonant unit cells, we propose metastructures with low-frequency vibration isolation ...
Conjugate Heat Transfer and Flow Features of Single-Hole and Combined-Hole Film Cooling With Rib-Roughened Internal Passages
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Internal cooling and film cooling, as two main cooling methods in modern gas turbines, work together to protect the high-temperature components of gas turbines. This paper presents the results of a computational study on ...
Investigation on Film Cooling Performance of a Novel Hole Arrangement Based on Combined-Hole Design
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on a combined-hole design, a novel hole arrangement was proposed and tested on a flat plate model by numerical simulation. Replacing one row in two rows of staggered holes with a row of smaller holes, the bigger holes ...
Local Heat Transfer Measurements for an Impinging Synthetic Jet
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Research results demonstrate the heat transfer effectiveness of an impinging synthetic jet toward cooling a plane normal to it. The utility of the synthetic jet lies in that the supply of coolant comes from the device ...
Investigation on Film Cooling Performance of a Novel Hole Arrangement Based on CombinedHole Design
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on a combinedhole design, a novel hole arrangement was proposed and tested on a flat plate model by numerical simulation. Replacing one row in two rows of staggered holes with a row of smaller holes, the bigger holes ...
An Experimental Study of Sister Holes Film Cooling With Various Secondary-to-Primary Hole Diameter Ratios
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For increased specific thrust and efficiency, more effective film-cooling schemes are developed with each successive gas turbine design. Adding secondary film-cooling holes to each primary film-cooling hole represents such ...
Combined-Hole Film Cooling Designs Based on the Construction of Antikidney Vortex Structure: A Review
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Film cooling is one of the most efficient and widely used cooling methods for high-temperature components. The interaction between the film cooling jet and main flow creates the counter-rotating vortex pair (CRVP), which ...
Effect of Electric Current and Graphite Content on the Wear Behaviors of Copper/Graphite Composites
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The reasonable electric current and graphite content will slow down the wear failure of friction pair and prolong the service life of slip ring. To study the wear behaviors of copper/graphite composites under different ...
Sensitivity Analysis of Nonlinear Transient Response Based on Perturbation in the Complex Domain
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Sensitivity analysis of transient response plays a crucial role in structural dynamics optimization. In this paper, the sensitivity analysis method for calculating the first-order derivatives of the nonlinear transient ...
Improving Signal Transmission Quality of Wind Turbine Pitch Slip Ring With Copper Matrix Composites
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To improve the signal transmission quality, copper matrix composites added with different contents of carbon nanotubes (CNTs) and molybdenum disulfide (MoS2) were prepared. The electrical and tribological properties of ...