Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 4841-4860 of 9564
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Supplementary Backward Equations v(p,T) for the Critical and Supercritical Regions (Region 3) of the IAPWS Industrial Formulation 1997 for the Thermodynamic Properties of Water and Steam
(The American Society of Mechanical Engineers (ASME), 2009)When steam power cycles are modeled, thermodynamic properties as functions of pressure and temperature are required in the critical and supercritical regions (region 3 of IAPWS-IF97). With ... -
Performance of the Clean Exhaust Engine Concept
(The American Society of Mechanical Engineers (ASME), 2009)The climatic effects of air-traffic pollutants, such as carbon dioxide (CO2) and mononitrogen oxides (NOx), aerosols, contrails, and aviation induced cirrus clouds, are repeatedly stressed in ... -
The Effects of Changing Fuels on Hot Gas Path Conditions in Syngas Turbines
(The American Society of Mechanical Engineers (ASME), 2009)Gas turbines in integrated gasification combined cycle power plants burn a fuel gas (syngas (SG)) in which the proportions of hydrocarbons, H2, CO, water vapor, and minor impurity levels may ... -
Transient Development of Flame and Soot Distribution in Laminar Diffusion Flame With Preheated Air
(The American Society of Mechanical Engineers (ASME), 2009)A numerical investigation of the transient development of flame and soot distributions in a laminar axisymmetric coflowing diffusion flame of methane in air has been carried out considering the ... -
A Time-Domain Network Model for Nonlinear Thermoacoustic Oscillations
(The American Society of Mechanical Engineers (ASME), 2009)Lean premixed prevaporized (LPP) combustion can reduce NOx emissions from gas turbines but often leads to combustion instability. Acoustic waves produce fluctuations in heat release, for instance, ... -
The Influence of the Grain Structure Size on Microstructurally Short Cracks
(The American Society of Mechanical Engineers (ASME), 2009)The dominant processes in the initialization and propagation of microstructurally short cracks include microstructural features such as crystallographic orientations of grains, grain boundaries, ... -
Deposition of TRISO Particles With Superhard SiC Coatings and the Characterization of Anisotropy by Raman Spectroscopy
(The American Society of Mechanical Engineers (ASME), 2009)In this work we have deposited silicon carbide (SiC) at 1300°C with the addition of small amounts of propylene. The use of propylene and high concentrations of methyltrichlorosilane (9 vol ... -
Corrosion of the Materials in Sulfuric Acid
(The American Society of Mechanical Engineers (ASME), 2009)A program for a hydrogen production by using a high temperature nuclear heat has been launched in Korea since 2004. Iodine sulfur (IS) process is one of the promising processes for a hydrogen ... -
Cylinder-to-Cylinder Variations in a V6 Gasoline Direct Injection HCCI Engine
(The American Society of Mechanical Engineers (ASME), 2009)Despite the fact that homogeneous charge compression ignition (HCCI) has been demonstrated as a combustion technology feasible for implementation with different fuels in various types of engines, ... -
Experimental Study of Oxygen-Enriched Diesel Combustion Using Simulated Exhaust Gas Recirculation
(The American Society of Mechanical Engineers (ASME), 2009)The techniques of design of experiments were applied to study the best operational conditions for oxygen-enriched combustion in a single-cylinder direct-injection diesel engine in order to reduce ... -
Mechanical Investigation of a Failed Lock-Pin
(The American Society of Mechanical Engineers (ASME), 2009)This paper presents the outcomes of computational mechanics applied in the root-cause investigation on hot section failure of a 25 MW gas turbo generator in the domestic power plant after 2228 ... -
Nonlinear Identification of Mechanical Parameters in a Squeeze Film Damper With Integral Mechanical Seal
(The American Society of Mechanical Engineers (ASME), 2009)End seals in squeeze film dampers (SFDs) aid to increase their damping capability while maintaining low lubricant flow rates and reducing the severity of air ingestion. This paper presents ... -
Development of High-Temperature Transport Technologies for Liquid Cadmium in Pyrometallurgical Reprocessing
(The American Society of Mechanical Engineers (ASME), 2009)Pyrometallurgical reprocessing is one of the most promising technologies for the advanced fuel cycle with favorable economic potential and intrinsic proliferation-resistance. The feasibility of ... -
Design and Manufacturing of Mesoscale Tilting Pad Gas Bearings for 100–200 W Class PowerMEMS Applications
(The American Society of Mechanical Engineers (ASME), 2009)This paper introduces a design and manufacturing of mesoscale flexure pivot tilting pad gas bearing with a diameter of 5 mm and a length of 1–2.5 mm for PowerMEMS (micro electromechanical ... -
Mesoscale Foil Gas Bearings for Palm-Sized Turbomachinery: Design, Manufacturing, and Modeling
(The American Society of Mechanical Engineers (ASME), 2009)Palm-sized microturbomachinery have broad potential applications in micropower generation areas, such as air/fuel management systems for various fuel cells, propulsion engine for unmanned micro-air ... -
System Analysis of Nuclear-Assisted Syngas Production From Coal
(The American Society of Mechanical Engineers (ASME), 2009)A system analysis has been performed to assess the efficiency and carbon utilization of a nuclear-assisted coal gasification process. The nuclear reactor is a high-temperature helium-cooled reactor ... -
Benefits of Active Compressor Stability Management on Turbofan Engine Operability
(The American Society of Mechanical Engineers (ASME), 2009)Active compressor stability management can play a significant role in the intelligent control of gas turbine engines. The present work utilizes a computer simulation to illustrate the potential ... -
A Systematic Comparison and Multi-Objective Optimization of Humid Power Cycles—Part I: Thermodynamics
(The American Society of Mechanical Engineers (ASME), 2009)The steam injected gas turbine (STIG), humid air turbine (HAT), and TOP Humid Air Turbine (TOPHAT) cycles lie at the center of the debate on which humid power cycle will deliver optimal ... -
A Systematic Comparison and Multi-Objective Optimization of Humid Power Cycles—Part II: Economics
(The American Society of Mechanical Engineers (ASME), 2009)The steam injected gas turbine (STIG), humid air turbine (HAT), and TOP Humid Air Turbine (TOPHAT) cycles lie at the center of the debate on which humid power cycle will deliver optimal ... -
Properties, Characteristics, and Combustion Performance of Sasol Fully Synthetic Jet Fuel
(The American Society of Mechanical Engineers (ASME), 2009)In 1999, as the only inland petroleum refinery in South Africa was reaching capacity, Sasol gained approval of a semisynthetic jet fuel (SSJF) for civil aviation to augment production and meet ...