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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. ...
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 ...