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RISA Numerical Study on Heat Transfer Enhancement and Fluid Flow of Enhanced Tube With Ellipsoidal Dimples and Protrusions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Heat transfer enhancement is an important thermal–hydraulic phenomenon in heat exchangers. Previous investigations mostly focused on unidirectional heat transfer enhancement inside the tube. In order to realize the ...
Numerical Study on Thermo-Hydraulic Performance of Enhanced Tube With Crossed Helical Dimples
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical investigation was performed to study the thermo-hydraulic performance in an enhanced tube with crossed helical dimples. The simulations were carried out in the Reynolds number range of 5000–30,000 in crossed ...
A Data-Fusion Method for Uncertainty Quantification of Mechanical Property of Bi-Modulus Materials: An Example of Graphite
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The different elastic properties of tension and compression are obvious in many engineering materials, especially new materials. Materials with this characteristic, such as graphite, ceramics, and composite materials, are ...
Increasing Trend of Pan Evaporation over the Semiarid Loess Plateau under a Warming Climate
Publisher: American Meteorological Society
Abstract: n most parts of the world, pan evaporation decreases with increased air temperature rather than increases, which is known as the ?evaporation paradox.? The semiarid Loess Plateau, which is sensitive to global climate change ...
Simulation and Analysis of Residual Stress and Microstructure Transformation for Post Weld Heat Treatment of a Welded Pipe
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With the characteristics of the sandglassshaped temperature field generated during welding of highfrequency induction longitudinally welded pipe taken into consideration, this paper focuses on the rules of influence of a ...
Evaluation of Model-Based Soil Moisture Drought Monitoring over Three Key Regions in China
Publisher: American Meteorological Society
Abstract: AbstractLand surface models (LSMs) have been widely used to provide objective monitoring of soil moisture during drought, but large uncertainties exist because of the different parameterizations in LSMs. This study aims ...
Dynamic Characteristics of Three-Body Braking System Considering Tire-Road Friction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With the significant increase in vehicle ownership in our country, urban traffic conditions have become increasingly congested. Low-speed driving has become more prevalent, leading to more frequent instances of starting ...
Experimental Research on a Three Dimensional Journal Orbit of a Crankshaft Bearing for an Internal Combustion Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The current experimental researches on the orbit of a journal center of a crankshaft bearing for an internal combustion engine were usually focused on the 2D movement locus of a crankshaft journal center in the cross section ...
Experimental Investigation of Amine-Surfactant CO2 Foam Stability Enhanced by Silica Nanoparticles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The CO2 foam generated by the conventional surfactants usually does not show long-term stability due to the substantial solubility and diffusivity of CO2 in water. Silica nanoparticles with different wettability and high ...
Influencing Factor of Hydrodynamic Pressure on Tire in Wet Weather Based on Fluent
Publisher: American Society of Civil Engineers
Abstract: Hydrodynamic pressure is the major cause of vehicle hydroplaning in wet weather. By establishing a finite element model of the tire with longitudinal and transverse pattern, hydrodynamic pressure of the tire under different ...