Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 4581-4600 of 9564
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Computational Prediction of the Effect of Microcavitation on an Atomization Mechanism in a Gasoline Injector Nozzle
(The American Society of Mechanical Engineers (ASME), 2010)The effect of microcavitation on the 3D structure of the liquid atomization process in a gasoline injector nozzle was numerically investigated and visualized by a new integrated computational ... -
Development of Double Gear Fuel Pump for Heat Management Improvement
(The American Society of Mechanical Engineers (ASME), 2010)A unique double gear fuel pump system with operation mode switching capability for aircraft engines was developed to solve the heat management problem of current high efficiency turbofan engines ... -
Mitigation of Fretting Fatigue Damage in Blade and Disk Pressure Faces With Low Plasticity Burnishing
(The American Society of Mechanical Engineers (ASME), 2010)Low plasticity burnishing (LPB) is now established as a surface enhancement technology capable of introducing through-thickness compressive residual stresses in the edges of gas turbine engine ... -
Optical Transfer Function Measurements for Technically Premixed Flames
(The American Society of Mechanical Engineers (ASME), 2010)This paper deals with a novel approach for measuring thermoacoustic transfer functions. These transfer functions are essential to predict the acoustic behavior of gas turbine combustion systems. ... -
Nanotechnology Coatings for Erosion Protection of Turbine Components
(The American Society of Mechanical Engineers (ASME), 2010)Solid particle erosion (SPE) and liquid droplet erosion (LDE) cause severe damage to turbine components and lead to premature failures, business loss, and repair costs to power plant owners and ... -
A Modeling Approach to Predict Fretting Fatigue on Highly Loaded Blade Roots
(The American Society of Mechanical Engineers (ASME), 2010)A lifing technique for predicting fretting fatigue on highly loaded blade-disk attachments has been developed and calibrated. The approach combines extensive testing on nickel and titanium based ... -
An Experimental Study of Swirling Supercritical Hydrocarbon Fuel Jets
(The American Society of Mechanical Engineers (ASME), 2010)An experimental investigation was conducted to examine the behavior of swirling supercritical hydrocarbon fuel (SCF) jets injected into nitrogen environments whose temperatures and pressures exceeded ... -
The Effect of Size on Optimization of Solid Oxide Fuel Cell/Gas Turbine Hybrid Cycles
(The American Society of Mechanical Engineers (ASME), 2010)The coupling of solid oxide fuel cells (SOFCs) and recuperated gas turbines (GTs) in a hybrid system has the potential to lead to efficiencies exceeding 60%. SOFC/GT hybrids have been proposed ... -
Effect of Injection Strategy on the Combustion and Exhaust Emission Characteristics of a Biodiesel-Ethanol Blend in a DI Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2010)An experimental investigation was performed on the effect of injection strategy on the combustion, exhaust emission characteristics and the particle size distribution in a small direct-injection ... -
High Strength, Ductile Braze Repairs for Stationary Gas Turbine Components—Part I
(The American Society of Mechanical Engineers (ASME), 2010)Both aviation and land based turbine components such as vanes/nozzles, combustion chambers, liners, and transition pieces often degrade and crack in service. Rather than replacing with new ... -
High Strength, Ductile Braze Repairs for Stationary Gas Turbine Components—Part II
(The American Society of Mechanical Engineers (ASME), 2010)Both aviation and land based turbine components such as vanes/nozzles, combustion chambers, liners, and transition pieces often degrade and crack in service. Rather than replacing with new ... -
Tri-Axial Force Measurements on the Cylinder of a Motored SI Engine Operated on Lubricants of Differing Viscosity
(The American Society of Mechanical Engineers (ASME), 2010)Friction is a determining factor in the efficiency and performance of internal combustion engines. Losses in the form of friction work typically account for 10–20% of an engine’s output. ... -
High-Resolution Scalar and Velocity Measurements in an Internal Combustion Engine
(The American Society of Mechanical Engineers (ASME), 2010)High-resolution planar laser-induced fluorescence and particle image velocimetry (PIV) measurements were acquired during the intake stroke in a motored engine to investigate the mixing behavior of ... -
Low NOx and Low Smoke Operation of a Diesel Engine Using Gasolinelike Fuels
(The American Society of Mechanical Engineers (ASME), 2010)Much of the technology in advanced diesel engines, such as high injection pressures, is aimed at overcoming the short ignition delay of conventional diesel fuels to promote premixed combustion ... -
Analysis of Thermal Effects in a Cavitating Orifice Using Rayleigh Equation and Experiments
(The American Society of Mechanical Engineers (ASME), 2010)The cavitation phenomenon interests a wide range of machines, from internal combustion engines to turbines and pumps of all sizes. It affects negatively the hydraulic machines’ performance and ... -
Design of Vehicle Cooling System Architecture for a Heavy Duty Series-Hybrid Electric Vehicle Using Numerical System Simulations
(The American Society of Mechanical Engineers (ASME), 2010)In this study, numerical simulations of the vehicle cooling system and the vehicle powertrain system of a virtual heavy duty tracked series hybrid electric vehicle (SHEV) is developed to ... -
Transient Control of Combustion Phasing and Lambda in a Six-Cylinder Port-Injected Natural-Gas Engine
(The American Society of Mechanical Engineers (ASME), 2010)Fuel economy and emissions are the two central parameters in heavy duty engines. High exhaust gas recirculation rates combined with turbocharging has been identified as a promising way to ... -
Combustion and Emissions Characterization of Soy Methyl Ester Biodiesel Blends in an Automotive Turbocharged Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2010)Recent increases in petroleum fuel costs, corporate average fuel economy (CAFE) regulations, and environmental concerns about CO2 emissions from petroleum based fuels have created an increased ... -
Determination of Contact Stiffness of Rod-Fastened Rotors Based on Modal Test and Finite Element Analysis
(The American Society of Mechanical Engineers (ASME), 2010)A series of simplified rod-fastened rotors, which have different surface contact roughness are manufactured and their modal parameters under different pretightening force, are measured in free-free ... -
Performance and Combustion Characteristics of OM314 Diesel Engine Fueled With DME: A Theoretical and Experimental Analysis
(The American Society of Mechanical Engineers (ASME), 2010)Use of dimethyl ether (DME) as a diesel fuel alternative has been increased due to the unique combustion characteristics of this oxygenated fuel. We have investigated performance and combustion ...