Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 3441-3460 of 9564
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Experimental Investigation on Fiber Thermocouples Used in Brush Seals for Temperature Measurements
(The American Society of Mechanical Engineers (ASME), 2014)A type of fiber thermocouple is applied to a brush seal in order to obtain the temperature of the bristlerotor friction zone. Using a brush seal test rig, the temperature measurements utilizing a fiber thermocouple, infrared ... -
Computationally Efficient Simulation of Multicomponent Fuel Combustion Using a Sparse Analytical Jacobian Chemistry Solver and High Dimensional Clustering
(The American Society of Mechanical Engineers (ASME), 2014)The need for more efficient and environmentally sustainable internal combustion engines is driving research towards the need to consider more realistic models for both fuel physics and chemistry. As far as compression ... -
A Linear Least Squares Algorithm for Double Wiebe Functions Applied to Spark Assisted Compression Ignition
(The American Society of Mechanical Engineers (ASME), 2014)An algorithm for determining the four tuning parameters in a doubleWiebe description of the combustion process in sparkassisted compression ignition engines is presented where the novelty is that the tuning problem is posed ... -
Development of a High Pressure, High Temperature, Optically Accessible Continuous Flow Vessel for Fuel Injection Experiments
(The American Society of Mechanical Engineers (ASME), 2014)A vessel has been designed for nonreacting fuelinjection experiments with continuous flow of sweep gas at pressures up to 1380 kPa and temperatures up to 200 آ°C. Four orthogonal windows provide optical access for ... -
Investigation of Combustion Phasing Control Strategy During Reactivity Controlled Compression Ignition (RCCI) Multicylinder Engine Load Transitions
(The American Society of Mechanical Engineers (ASME), 2014)The dual fuel reactivity controlled compression ignition (RCCI) concept has been successfully demonstrated to be a promising, more controllable, high efficiency, and cleaner combustion mode. A multidimensional computational ... -
Particulate Matter Emission Comparison of Spark Ignition Direct Injection (SIDI) and Port Fuel Injection (PFI) Operation of a Boosted Gasoline Engine
(The American Society of Mechanical Engineers (ASME), 2014)Spark ignition direct injection (SIDI) gasoline engines, especially in downsized boosted engine platforms, are increasing their market share relative to port fuel injection (PFI) engines in U.S., European and Chinese ... -
Diesel Ignited Propane Dual Fuel Low Temperature Combustion in a Heavy Duty Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2014)This paper presents an experimental analysis of dieselignited propane dual fuel low temperature combustion (LTC) based on performance, emissions, and incylinder combustion data from a modern, heavyduty diesel engine. The ... -
Experimental and Computational Study of n Heptane Autoignition in a Direct Injection Constant Volume Combustion Chamber
(The American Society of Mechanical Engineers (ASME), 2014)The purpose of this study was to characterize experimental nheptane combustion behavior in a directinjection constantvolume combustion chamber (DICVCC), using chamber pressure to infer ignition delay and heatrelease rate. ... -
Ozone Assisted Combustion—Part I: Literature Review and Kinetic Study Using Detailed n Heptane Kinetic Mechanism
(The American Society of Mechanical Engineers (ASME), 2014)In this first paper, the authors undertake a review of the literature in the field of ozoneassisted combustion in order to summarize literature findings. The use of a detailed nheptane combustion model including ozone ... -
Influence of Pressure and Steam Dilution on NOx and CO Emissions in a Premixed Natural Gas Flame
(The American Society of Mechanical Engineers (ASME), 2014)In the current study, the influence of pressure and steam on the emission formation in a premixed natural gas flame is investigated at pressures between 1.5 bar and 9 bar. A premixed, swirlstabilized combustor is developed ... -
Short Spray Penetration for Direct Injection Gasoline Engines With Secondary Drop Breakup Simulation Integrated With Fuel Breakup Simulation
(The American Society of Mechanical Engineers (ASME), 2014)Direct injection gasoline engines have both better engine power and fuel efficiency than port injection gasoline engines. However, direct injection gasoline engines also emit more particulate matter (PM) than port injection ... -
Experimental Studies of Cavity and Core Flow Interactions With Application to Ultra Compact Combustors
(The American Society of Mechanical Engineers (ASME), 2014)Reducing the weight and decreasing pressure losses of aviation gas turbine engines improves the thrusttoweight ratio and improves efficiency. In ultracompact combustors (UCC), engine length is reduced and pressure losses ... -
Coal Based Cogeneration System for Synthetic/Substitute Natural Gas and Power With CO2 Capture After Methanation: Coupling Between Chemical and Power Production
(The American Society of Mechanical Engineers (ASME), 2014)Cogeneration of synthetic natural gas (SNG) and power from coal efficiently and CO2 capture with low energy penalty during coal utilization are very important technical paths to implement clean coal technologies in China. ... -
Automatic Combustion Phase Calibration With Extremum Seeking Approach
(The American Society of Mechanical Engineers (ASME), 2014)One of the most effective factors influencing performance, efficiency, and pollutant emissions of internal combustion engines is the combustion phasing: in gasoline engines electronic control units (ECUs) manage the spark ... -
Study of Cylinder Charge Control for Enabling Low Temperature Combustion in Diesel Engines
(The American Society of Mechanical Engineers (ASME), 2014)Suitable cylinder charge preparation is deemed critical for the attainment of a highly homogeneous, diluted, and lean cylinder charge, which is shown to lower the flame temperature. The resultant low temperature combustion ... -
Fluid Structure Interaction in Combustion System of a Gas Turbine—Effect of Liner Vibrations
(The American Society of Mechanical Engineers (ASME), 2014)Prediction of mutual interaction between flow, combustion, acoustic, and vibration phenomena occurring in a combustion chamber is crucial for the reliable operation of any combustion device. In this paper, this is studied ... -
Prediction of the Thermoacoustic Combustion Instabilities in Practical Annular Combustors
(The American Society of Mechanical Engineers (ASME), 2014)A threedimensional finite element code is used for the eigenvalue analysis of the thermoacoustic combustion instabilities modeled through the Helmholtz equation. A full annular combustion chamber, equipped with several ... -
Risk Assessment of the Intake of Foods and Soil With the Radionuclides and the Air Radiation Dose After the Fukushima Nuclear Disaster
(The American Society of Mechanical Engineers (ASME), 2014)The exposure routes by which the dispersion of radionuclides from the accident at the Fukushima atomic power plant were estimated, and the risk was evaluated based on the overall exposure routes, which include the ingestion ... -
Experimental and Numerical Investigations of a Bypass Dual Throat Nozzle
(The American Society of Mechanical Engineers (ASME), 2014)The bypass dual throat nozzle (BDTN) is a new kind of fluidic vectoring nozzle. A bypass is set between the upstream convergent section and upstream minimum area based on the conventional dual throat nozzle (DTN). The BDTN ... -
High Performance Lead Free Electroplated Composite Bearing Overlay for Heavy Duty Applications
(The American Society of Mechanical Engineers (ASME), 2014)Material selection for engine internal components, e.g., bearings, is becoming increasingly more complex and demanding as the operating environments become more aggressive with the introduction of new technologies for the ...