Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 6141-6160 of 9564
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Handling of a Semiclosed Cycle Gas Turbine With a Carbon Dioxide-Argon Working Fluid
(The American Society of Mechanical Engineers (ASME), 2000)This paper outlines the handling of a semi-closed cycle gas turbine, its working fluid is carbon dioxide and the fuel is low heating value gas from coal; however, at startup air and natural ... -
An Experimental and Modeling Study of Humid Air Premixed Flames
(The American Society of Mechanical Engineers (ASME), 2000)An experimental and modeling study has been performed jointly by UTRC and DOE-FETC to determine the effect of humidity in the combustion air on emissions and stability limits of gas turbine ... -
Combustion Instabilities in Industrial Gas Turbines—Measurements on Operating Plant and Thermoacoustic Modeling
(The American Society of Mechanical Engineers (ASME), 2000)Measurements of vibration and combustion chamber dynamic pressures have been taken on a number of 150 MW industrial gas turbines operating on pre-mixed natural gas, both during long periods of ... -
Reductions in Acquisition Costs for State-of-the-Art Fabrication of CFCC Turbine Engine Combustor Liners
(The American Society of Mechanical Engineers (ASME), 2000)Through work in two U.S. Department of Energy cooperative programs with industry, the confidence level for utilization of ceramic composite SiC/SiC combustor liners has risen from a prototype ... -
Natural Gas Fired Combined Cycles With Low CO2 Emissions
(The American Society of Mechanical Engineers (ASME), 2000)This paper assesses performances and economic viability of CO2 removal by chemical absorption from the flue gases of natural gas-fired Combined Cycles, more specifically for two configurations: ... -
Performance of Pre-Swirl Rotating-Disc Systems
(The American Society of Mechanical Engineers (ASME), 2000)This paper summarizes and extends recent theoretical, computational, and experimental research into the fluid mechanics, thermodynamics, and heat transfer characteristics of the so-called cover-plate ... -
Stress Relaxation Testing of Service Exposed IN738 for Creep Strength Evaluation
(The American Society of Mechanical Engineers (ASME), 2000)Standard size and miniature specimens of IN738 were taken from a service exposed turbine blade and vane for comparative stress relaxation testing at 800C, 850C, and 900C. Base data taken from ... -
A Study on Fusion Repair Process for a Precipitation Hardened IN738 Ni-Based Superalloy
(The American Society of Mechanical Engineers (ASME), 2000)Several fusion repair processes such as laser cladding, laser welding and gas tungsten arc welding have been taken into consideration for repairing IN738 precipitation hardened Ni-based superalloy ... -
Passive Control of Combustion Instability in Lean Premixed Combustors
(The American Society of Mechanical Engineers (ASME), 2000)A Solar fuel injector that provides lean premixed combustion conditions has been studied in a combined experimental and numerical investigation. Lean premixed conditions can be accompanied by ... -
Evaluation and Application of Data Sources for Assessing Operating Costs for Mechanical Drive Gas Turbines in Pipeline Service
(The American Society of Mechanical Engineers (ASME), 2000)This paper evaluates and demonstrates how the public domain data provided by individual interstate pipeline companies to FERC, when combined with individual company equipment lists, can be used ... -
Formaldehyde Formation in Large Bore Engines Part 2: Factors Affecting Measured CH2O
(The American Society of Mechanical Engineers (ASME), 2000)Current research shows that the only hazardous air pollutant of significance emitted from large bore natural gas engines is formaldehyde (CH2O). A literature review on formaldehyde formation is ... -
Computational Simulation of Gas Turbines: Part 2—Extensible Domain Framework
(The American Society of Mechanical Engineers (ASME), 2000)This paper describes the design concepts and object-oriented architecture of Onyx, an extensible domain framework for computational simulation of gas turbine engines. Onyx provides a flexible ... -
Effects of Alloy Composition on the Performance of Yttria Stabilized Zirconia—Thermal Barrier Coatings
(The American Society of Mechanical Engineers (ASME), 2000)Thermal barrier coatings (TBCs) provide an alloy surface temperature reduction when applied to turbine component surfaces. Thermal barrier coatings can be used as a tool for the designer to ... -
Stoichiometric Operation of a Gas Engine Utilizing Synthesis Gas and EGR for NOx Control
(The American Society of Mechanical Engineers (ASME), 2000)This paper presents the results from an internal research study conducted at the Southwest Research Institute (SwRI) on the effects of stoichiometric mixtures of natural gas and synthesis gas ... -
Computational Simulation of Gas Turbines: Part 1—Foundations of Component-Based Models
(The American Society of Mechanical Engineers (ASME), 2000)Designing and developing new aerospace propulsion systems is time-consuming and expensive. Computational simulation is a promising means for alleviating this cost, but requires a flexible software ... -
Impact of Using Biodiesels of Different Origin and Additives on the Performance of a Stationary Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2000)With the exception of rape seed oil which is the principal raw material for biodiesel Fatty Acid Methyl Esters, (FAME) production, sunflower oil, corn oil, and olive oil, which are abundant ... -
Deformation of Plasma Sprayed Thermal Barrier Coatings
(The American Society of Mechanical Engineers (ASME), 2000)The deformation behavior of thermally sprayed partially stabilized zirconia (PSZ) coatings are investigated using Hertzian indentation and four-point bend testing, with in situ acoustic emission ... -
Relationship Between Visible Spray Observations and DI Diesel Engine Performance
(The American Society of Mechanical Engineers (ASME), 2000)This investigation was conducted to enhance understanding of combustion in a direct injection (DI) diesel engine with square combustion chamber. The investigation included a bench study of spray ... -
Two-Dimensional Simulation of Wave Propagation in a Three-Pipe Junction
(The American Society of Mechanical Engineers (ASME), 2000)The modelling of wave propagation in complex pipe junctions is one of the biggest challenges for simulation codes, particularly those applied to flows in engine manifolds. In the present work ... -
Intake Flow Structure and Swirl Generation in a Four-Valve Heavy-Duty Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2000)Intake flow structure was studied using various port geometries in a four-valve heavy-duty diesel engine. Swirl ratio, LDV measurements of bulk flow and turbulence, and flow visualization experiments ...