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RISEffects of Temperature and Thermal Cycles on the Elastic Shear Modulus of Saturated Clay
Publisher: ASCE
Abstract: Thermomechanical behavior of soils has attracted great attention in recent years because of its great importance in some emerging geotechnical applications such as energy piles. So far, the thermoplasticity (e.g., the ...
The Tip Leakage Flow of an Unshrouded High Pressure Turbine Blade With Tip Cooling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental, analytical, and numerical methods have been employed to study the aerodynamic performance of four different cooled tips with coolant mass ratios between 0% and 1.2% at three tip ...
Different Enhancement of the East Asian Summer Monsoon under Global Warming and Interglacial Epochs Simulated by CMIP6 Models: Role of the Subtropical High
Publisher: American Meteorological Society
Abstract: Southerly wind in the lower troposphere is an essential feature of East Asian summer monsoon (EASM) circulation, which is reported to be enhanced under global warming scenarios and interglacial epochs. Based on an analysis ...
A Bounding Surface Model for Cemented Soil at Small and Large Strains
Publisher: ASCE
Abstract: Many constitutive models have been proposed to describe the mechanical behavior of cemented soil at large strains (above 1%). Less attention has been paid to the highly nonlinear stress–strain behavior at small strains, ...
Quantifying Nonstorm-Water Discharges to Storm-Water Systems with Model Analysis
Publisher: American Society of Civil Engineers
Abstract: Many separate storm-water systems in China suffer functional problems of discharge of dry-weather pollutants or non-storm-water materials into storm-water systems via pipes or other direct connections, which plays as a ...
Effects of Endwall Motion on the Aero-Thermal Performance of a Winglet Tip in a HP Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In a gas turbine, the casing endwall moves relative to the blades. In this paper, numerical methods are first validated using experimental results for a stationary endwall. They are then used ...
New Correlations for Thermal Resistances of Vertical Single U-Tube Ground Heat Exchanger
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new 2D numerical model of a single U-tube ground heat exchanger is proposed and a four-thermal-resistance model is adopted to evaluate the effective pipe-to-borehole, pipe-to-pipe, and ...
Experimental Investigations on the State-Dependent Thermal Conductivity of Sand-Rubber Mixtures
Publisher: ASCE
Abstract: Soil-rubber mixtures are potential construction materials for use in civil engineering applications such as the thermal insulation layer for buried pipelines in the permafrost zone and underground energy storage systems. ...
Thermomechanical Behavior of Energy Piles with Different Roughness Values in Unsaturated Soil
Publisher: ASCE
Abstract: Energy piles are often partially or fully embedded in unsaturated soils, particularly in arid and semiarid regions; however, suction effects on their thermomechanical behavior have not been fully understood. In this study, ...
Damping Capacity and Seismic Performance of a Torsional Metallic Damper Using a Displacement Amplification Mechanism
Publisher: ASCE
Abstract: Metallic dampers with plastic energy dissipation are often used in the seismic protection of civil structures. However, conventional metallic dampers cannot provide adequate energy dissipation capacity due to the small ...