Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 5681-5700 of 9564
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Numerical Analysis of Unsteady Exhaust Gas Flow and Its Application for Lambda Control Improvement
(The American Society of Mechanical Engineers (ASME), 2003)A multidimensional computational fluid dynamics (CFD) tool has been applied to analyze the exhaust system of a gasoline engine. Since gas flow in the exhaust manifold is affected by exhaust ... -
Manifold Gas Dynamics Modeling and Its Coupling With Single-Cylinder Engine Models Using Simulink
(The American Society of Mechanical Engineers (ASME), 2003)A flexible model for computing one-dimensional, unsteady manifold gas dynamics in single-cylinder spark-ignition and diesel engines has been developed. The numerical method applies an explicit, ... -
Investigation of a Large High- Speed Diesel Engine Transient Behavior Including Compressor Surging and Emergency Shutdown
(The American Society of Mechanical Engineers (ASME), 2003)The operation of a large high-speed engine under transient loading conditions was investigated, using a detailed simulation code in conjunction with a model capable of predicting compressor ... -
Homogeneous Charge Compression Ignition Engine: A Simulation Study on the Effects of Inhomogeneities
(The American Society of Mechanical Engineers (ASME), 2003)A stochastic model for the HCCI engine is presented. The model is based on the PaSPFR-IEM model and accounts for inhomogeneities in the combustion chamber while including a detailed chemical ... -
Knock Rating of Gaseous Fuels
(The American Society of Mechanical Engineers (ASME), 2003)The knock tendency in spark ignition engines of binary mixtures of hydrogen, ethane, propane and n-butane is examined in a CFR engine for a range of mixture composition, compression ratio, ... -
Development of the Low-Emission GE-7FDL High-Power Medium-Speed Locomotive Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2003)This paper summarizes the technical development of the low-emission GE-7FDL series locomotive diesel engine. The development focused on reducing the engine exhaust NOx emission significantly while ... -
Characteristics of Homogeneous Charge Compression Ignition (HCCI) Engine Operation for Variations in Compression Ratio, Speed, and Intake Temperature While Using n-Butane as a Fuel
(The American Society of Mechanical Engineers (ASME), 2003)In this paper, some basic properties of homogeneous charge compression ignition operation are reported. The effect of inlet temperature, compression ratio and engine speed on the homogeneous ... -
Modeling the Initial Growth of the Plasma and Flame Kernel in SI Engines
(The American Society of Mechanical Engineers (ASME), 2003)The initial size and growth of the plasma and flame kernel just after spark discharge in S.I. engines determines if the flame becomes self-sustainable or extinguishes. On the other hand, the ... -
An Investigation of Flame Expansion Speed With a Strong Swirl Motion Using High-Speed Visualization
(The American Society of Mechanical Engineers (ASME), 2003)In this study, a simple linear supposition method is proposed to separate the flame expansion speed and swirl motion of a flame propagating in an engine cylinder. Two series of images of ... -
A Predictive Ignition Delay Correlation Under Steady-State and Transient Operation of a Direct Injection Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2003)Available correlations for the ignition delay in pulsating, turbulent, two-phase, reacting mixtures found in a diesel engine often have limited predictive ability, especially under transient ... -
Knocking Cylinder Pressure Data Characteristics in a Spark-Ignition Engine
(The American Society of Mechanical Engineers (ASME), 2003)An experimental study of the knock initiation and development period was conducted in a single-cylinder research engine. Cylinder pressure was recorded at two locations in the combustion chamber ... -
Experimental and Analytical Examination of the Development of Inhomogeneities and Autoignition During Rapid Compression of Hydrogen-Oxygen-Argon Mixtures
(The American Society of Mechanical Engineers (ASME), 2003)The reliable prediction of the processes leading to autoignition during the rapid compression of an initially homogeneous mixture of fuel and air requires the coupled modeling of multidimensional ... -
Influence of the Injection Parameters on the Efficiency and Power Output of a Hydrogen Fueled Engine
(The American Society of Mechanical Engineers (ASME), 2003)The advantages of hydrogen fueled internal combustion engines are well known, certainly concerning the ultra-low noxious emissions (only NOx is to be considered). Disadvantages are the backfire ... -
Endothermic Phenomena in Diesel Particulate Filters During Regeneration
(The American Society of Mechanical Engineers (ASME), 2003)Endothermic phenomena were identified during the regeneration of the porous ceramic diesel particulate trap. These phenomena were experimentally investigated and they were found to be related to ... -
Errata: “Schlieren Observation of Spark-Ignited Premixed Charge Combustion Phenomena Using a Transparent Collimating Cylinder Engine” [ASME J. Eng. Gas Turbines Power, 2003, 125, pp. 336–343]
(The American Society of Mechanical Engineers (ASME), 2003)In the Subscripts section of the Nomenclature (pg. 341), the second item should have appeared as c,d=ends of flameEquations (6789), on page 342, should read as follows: Display FormulaYinc=r0 ... -
Effect of Subgrid Modeling on the In-Cylinder Unsteady Mixing Process in a Direct Injection Engine
(The American Society of Mechanical Engineers (ASME), 2003)Fuel-air mixing in a direct injection spark ignition (DISI) engine occurs in a highly unsteady, turbulent and three-dimensional flow. As a result, any cycle-to-cycle unsteady variation in the ... -
Special ICE Issue
(The American Society of Mechanical Engineers (ASME), 2003)Almost one and a half centuries since it became a practical reality, the Internal Combustion Engine (ICE) remains today the vastly dominant fuel energy converter in our society. The reasons ... -
The Formation of a Combustible Mixture During the First Cycle of Cranking and Startup in a Port-Fuel-Injected Spark-Ignition Engine
(The American Society of Mechanical Engineers (ASME), 2003)As automotive engine emission standards continue to become more stringent, excellent cranking, and startup fuel control will become imperative in order to achieve minimum engine-out emissions. ... -
Parametric Characterization of High-Pressure Diesel Fuel Injection Systems
(The American Society of Mechanical Engineers (ASME), 2003)The focus of the study described herein is the characterization of the high-pressure hydraulic electronic unit injector (HEUI) and of the electronic unit injector (EUI) diesel injection systems. ... -
Homogeneous Charge Compression Ignition Operation With Natural Gas: Fuel Composition Implications
(The American Society of Mechanical Engineers (ASME), 2003)Homogeneous charge compression ignition (HCCI) is a potentially attractive operating mode for stationary natural gas engines. Increasing demand for efficient, clean burning engines for electrical ...