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RISStability and NOx Emissions of Oxy-Ammonia Swirl Premixed Flames in an Emissions-Controlled Gas Turbine Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This study provides a design-relevant numerical analysis of ammonia–oxygen (NH3/O2) combustion, focusing on the effects of inlet preheating (298–520 K), equivalence ratio (φ = 0.7–1.2), and bulk flow velocity ...
Stereoscopic Particle Image Velocimetry Measurements and Proper Orthogonal Decomposition Analysis of the In-Cylinder Flow of Gasoline Direct Injection Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Intake generated flows are known to have a fundamental influence on the combustion both in spark ignition (SI) and compression ignition engines. This study experimentally investigated the tumble flow structures inside a ...
Unveiling the Flow Behavior Inside Gasoline Direct Injection Engine Cylinder Using High-Speed Time-Resolved Particle Image Velocimetry and Computational Fluid Dynamics Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: ricardo-vectis computational fluid dynamics simulation of the in-cylinder air flow was first validated with those of the experimental results from high-speed particle image velocimetry (PIV) measurements taking cognizant ...
Stability and Combustion/Emission Characteristics of Stratified Dual-Swirl Oxy-Methane Flames: Effects of Oxygen Fraction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The stability, combustion, and emission features of stratified oxy-methane (CH4/O2/CO2) flames stabilized over a dual annular counter-rotating swirl (DACRS) burner, developed for gas turbine combustion applications, were ...
Ammonia-Fueled Gas Turbines Toward Affordable and Clean Energy Production: A Review
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Amidst the heightened global awareness of climate change, discourse has shifted decisively toward the ambitious vision of a carbon-free economy. This paradigm shift imposes even more rigorous criteria for selecting ...
Effects of Hydrogen Enrichment and Ignition Timing on Combustion Characteristics and Performance of an M30-Fueled Spark-Ignition Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This study experimentally investigates the effects of hydrogen enrichment and ignition timing (IG) variation on combustion and performance of a single-cylinder spark-ignition engine fueled with M30 (30% methanol, ...
Enhanced Lean Blowout and Macrostructure Characteristics of Stratified CH4/H2/O2/CO2 Flames in a Dual Annular Counter-Rotating Swirl Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This experimental study investigates the effects of hydrogen (H2) and oxygen (O2) fractions on stability and combustion characteristics of oxy-methane flames in a dual annular counter-rotating swirl combustor for ...
Impact of Hydrogen Energy Share and Spark Ignition Timing on Combustion Behavior, Performance, and Emissions of a Gasoline Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This study investigates experimentally the impact of hydrogen energy share (HES) and ignition timing (IG) on the combustion, performance, thermal behavior, and emissions of a hydrogen–gasoline dual-fuel spark-ignition ...
Comparative Experimental Assessment of Methanol, Ethanol, and Butanol Fuels in a Spark-Ignition Engine: Combustion, Performance, and Emissions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This study experimentally investigates the combustion, performance, and emission characteristics of a spark-ignition engine fueled with single, dual, and ternary alcohol–gasoline blends under optimized ignition ...
Unveiling the Role of Methanol, Ethanol, and Butanol Additives in a Spark-Ignition Engine: Combustion, Performance, and Emission Metrics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. The growing need for cleaner transportation fuels has intensified interest in renewable oxygenated additives for spark-ignition (SI) engines. This study investigates the comparative effects of three oxygenated ...