Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 6021-6040 of 9564
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Slow Crack Growth Analysis of Advanced Structural Ceramics Under Combined Loading Conditions: Damage Assessment in Life Prediction Testing
(The American Society of Mechanical Engineers (ASME), 2001)Slow crack growth analysis was performed with three different loading histories including constant stress-rate/constant stress-rate testing (Case I loading), constant stress/constant stress-rate testing ... -
Performance of a Vacuum Formed Chopped Ceramic Fiber Filter in a Reducing Environment
(The American Society of Mechanical Engineers (ASME), 2001)A laboratory-scale apparatus has been used for unattended, long duration, continuous flow through testing of a vacuum formed chopped ceramic fiber filter under reducing conditions at atmospheric ... -
High-Pressure Steam-Driven Jet Pump—Part II: Parametric Analysis
(The American Society of Mechanical Engineers (ASME), 2001)The steam-driven jet pump (SDJP) is a device without moving parts, in which steam is used as an energy source to pump cold water from a pressure much lower than the steam pressure to a ... -
High-Pressure Steam-Driven Jet Pump—Part I: Mathematical Modeling
(The American Society of Mechanical Engineers (ASME), 2001)There are several proposed advanced reactor systems, which consider the utilization of a steam-driven jet pump (SDJP) as an emergency core cooling system. The steam-driven jet pump is a device ... -
Rapid and Accurate Calculation of Water and Steam Properties Using the Tabular Taylor Series Expansion Method
(The American Society of Mechanical Engineers (ASME), 2001)In applications where both speed and accuracy of computation of thermodynamic properties are important and particularly where the independent variables are not those used in Helmholtz equations, ... -
A Theoretical Model of Uniform Flow Distribution for the Admission of High-Energy Fluids to a Surface Steam Condenser
(The American Society of Mechanical Engineers (ASME), 2001)An analytical study is made of the perforated pipe distributor for the admission of high-energy fluids to a surface steam condenser. The results show that for all perforated pipes there is a ... -
Fully Coupled Rigid Internal Combustion Engine Dynamics and Vibration—Part I: Model Development
(The American Society of Mechanical Engineers (ASME), 2001)Robust predictions of engine vibration are important for preliminary design of new engines and new vehicles, and in setting component tolerances. Vibration modeling of internal combustion engines ... -
Liquid Fuel Impingement on In-Cylinder Surfaces as a Source of Hydrocarbon Emissions From Direct Injection Gasoline Engines
(The American Society of Mechanical Engineers (ASME), 2001)Hydrocarbon (HC) emissions from direct injection gasoline (DIG) engines are significantly higher than those from comparable port fuel injected engines, especially when “late” direct injection ... -
Formaldehyde Characterization Utilizing In-Cylinder Sampling in a Large Bore Natural Gas Engine
(The American Society of Mechanical Engineers (ASME), 2001)This research addresses the growing need to better understand the mechanisms through which engine-out formaldehyde is formed in two-stroke cycle large bore natural gas engines. The investigation ... -
Thermodynamic Analysis of Air-Cooled Gas Turbine Plants
(The American Society of Mechanical Engineers (ASME), 2001)At present high temperature, internally cooled gas turbines form the basis for the development of highly efficient plants for utility and industrial markets. Minimizing irreversibility of processes ... -
Fully Coupled Rigid Internal Combustion Engine Dynamics and Vibration—Part II: Model-Experiment Comparisons
(The American Society of Mechanical Engineers (ASME), 2001)In internal combustion engine vibration modeling, it is typically assumed that the vibratory state of the engine does not influence the loads transmitted to the engine block from its moving ... -
Dimethyl Ether in Diesel Engines: Progress and Perspectives
(The American Society of Mechanical Engineers (ASME), 2001)A review of recent developments related to the use of dimethyl ether (DME) in engines is presented. Research work discussed is in the areas of engine performance and emissions, fuel injection ... -
A Mixing Based Model for Di-methyl Ether Combustion in Diesel Engines
(The American Society of Mechanical Engineers (ASME), 2001)A series of studies has been conducted investigating the behavior of di-methyl ether (DME) fuel jets injected into quiescent combustion chambers. These studies have shown that it is possible ... -
Negative Stiffness Coefficients for Magnetic Actuators Using Laplace’s Equation
(The American Society of Mechanical Engineers (ASME), 2001)Magnetic bearings offer high speed and low power losses as compared to film riding and rolling element bearings. Significant efforts are underway to apply magnetic bearings to gas turbines and ... -
Swirl Effects on Combustion Characteristics of Premixed Flames
(The American Society of Mechanical Engineers (ASME), 2001)The effect of radial distribution of swirl has been examined on the thermal behavior of two different premixed flames using a double concentric premixed swirl burner. The double concentric swirl ... -
Design of Capacitance Probes for Oil Film Thickness Measurements Between the Piston Ring and Linear in Internal Combustion Engines
(The American Society of Mechanical Engineers (ASME), 2001)Measurement of the capacitance formed between the piston ring and a probe mounted in the cylinder liner provides an accurate means of determining the oil film thickness provided that the region ... -
Measurement and Visualization of Leakage Effects of Rounded Teeth Tips and Rub-Grooves on Stepped Labyrinths
(The American Society of Mechanical Engineers (ASME), 2001)The effect of rounded labyrinth teeth tips and worn abradable lands has been found to give substantially increased leakage, which is well known to give reduced machine efficiency. Very little ... -
Performance Characteristics of a Low Heat Rejection Direct-Injection Military Diesel Engine Retrofitted With Thermal Barrier Coated Pistons
(The American Society of Mechanical Engineers (ASME), 2001)A special two-cylinder military specific power plant was employed to evaluate the effect of thermal barrier coated pistons on overall engine performance at simulated low heat rejection-type ... -
Prediction and Measurement of Thermoacoustic Improvements in Gas Turbines With Annular Combustion Systems
(The American Society of Mechanical Engineers (ASME), 2001)Environmental compatibility requires low emission burners for gas turbine power plants. In the past, significant progress has been made developing low NOx and CO burners by introducing lean ... -
Model Development and Simulation of Transient Behavior of Heavy Duty Gas Turbines
(The American Society of Mechanical Engineers (ASME), 2001)This paper describes models for the transient analysis of heavy duty gas turbines, and presents dynamic simulation results of a modern gas turbine for electric power generation. Basic governing ...