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RISApplication of Active Subspace Method in Gas Exchange Strategy Calibration on a Variable Valve Timing Gasoline Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Modern internal combustion (IC) engines have complex configurations with many parameters to be tuned, and this system complication usually leads to a large amount of engine calibration experiments. In this study, the active ...
Numerical and Experimental Investigation of Boundary Layer of a High-Lift Low-Pressure Turbine Cascade Under Periodic Wakes With Different Flow Coefficients
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article investigates the boundary layer on the suction surface of a low-pressure turbine (LPT) subjected to upstream wakes with three different unsteady flow cases, characterized by the variation of flow coefficients. ...
Octane Response of Gasoline Fuels to Different Antiknock Oxygenates Addition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A series of renewable and clean oxygenated compounds possessing high octane numbers, including alcohols, ethers, esters, and furans, were used as octane boosters for gasoline fuels, and the octane responses of the gasoline ...
Octane Response of Gasoline Fuels to Different Antiknock Oxygenates Addition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A series of renewable and clean oxygenated compounds possessing high octane numbers, including alcohols, ethers, esters, and furans, were used as octane boosters for gasoline fuels, and the octane responses of the gasoline ...
Long-Term Cyclic Deformation of Soft Clay: Invariance Behavior and Its Application to Laterally Loaded Monopile Foundations
Publisher: American Society of Civil Engineers
Abstract: AbstractWhen subjected to low-amplitude cyclic loading, the cumulative strain (εp) in clay is generally observed to follow a power-law relationship with the number
of cycles (N). Analysis of long-term cyclic deformation ...
Defeat of the Soot/NOx Trade off Using Biodiesel Ethanol in a Moderate Exhaust Gas Recirculation Premixed Low Temperature Combustion Mode
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The soot/nitric oxides (NOx) tradeoff of diesel, biodiesel, and biodiesel–ethanol in a moderate exhaust gas recirculation (EGR) premixed low temperature combustion (LTC) mode is investigated in this study. Compared to ...
Effects of Exhaust Gas Recirculation Constituents on Methyl Decanoate Auto-Ignition: A Kinetic Study
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Biodiesel engines are found to have improved soot, hydrocarbon (HC), and carbon monoxide (CO) emissions, with modestly increased nitrogen oxides (NOx) emissions. Exhaust gas recirculation (EGR) could be used for the NOx ...
Analytical Prediction for Tunneling-Induced Ground Movements with Modified Deformation Pattern
Publisher: American Society of Civil Engineers
Abstract: In current methods for predicting ground movement caused by tunneling, the center of the tunnel is usually thought of as the focus of ground-movement vectors for convenience. In reality, the ground-movement vectors around ...
Second-Law Thermodynamic Analysis in Premixed Flames of Ammonia and Hydrogen Binary Fuels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A theoretical analysis based on the second law of thermodynamics was conducted for the ammonia/hydrogen/air premixed flames at different initial pressures. The irreversibility causing exergy losses in premixed flames was ...
Whole-Life Analysis Framework for Pile Performance in Soft Soil
Publisher: American Society of Civil Engineers
Abstract: AbstractThroughout the service life of pile-supported infrastructures in soft soil, undrained
cyclic loading induces excess pore pressure accumulation, causing soil strength degradation.
Conversely, subsequent pore pressure ...