Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 4521-4540 of 9564
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Hybrid Wireless-Wired Optical Sensor for Extreme Temperature Measurement in Next Generation Energy Efficient Gas Turbines
(The American Society of Mechanical Engineers (ASME), 2010)Accuracy, reliability, and long lifetimes are critical parameters for sensors measuring temperature in gas turbines of clean coal-fired power plants. Greener high efficiency next generation power ... -
Active Compressor Stability Management Via a Stall Margin Control Mode
(The American Society of Mechanical Engineers (ASME), 2010)An active engine control scheme for protection against compressor instabilities such as rotating stall and surge is presented. Compressor stability detection is accomplished via a parameter known ... -
Assessment of Compressors in Gas Storage Applications
(The American Society of Mechanical Engineers (ASME), 2010)An analytical model is generated that allows the evaluation of the compression system. It is also used to derive general rules for optimizing a system. Several strategies for the compression ... -
Numerical Investigations on Leakage Performance of the Rotating Labyrinth Honeycomb Seal
(The American Society of Mechanical Engineers (ASME), 2010)Three-dimensional Reynolds-averaged Navier–Stokes (RANS) solutions from CFX were utilized to investigate the leakage flow characteristics in the labyrinth honeycomb seal of steam turbines. At first, ... -
A Method for Forced Response Analysis of Mistuned Bladed Disks With Aerodynamic Effects Included
(The American Society of Mechanical Engineers (ASME), 2010)A method has been developed for high-accuracy analysis of forced response levels for mistuned bladed disks vibrating in gas flow. Aerodynamic damping, the interaction of vibrating blades through ... -
Experimental Study on Fault Caused by Partial Arc Steam Forces and Its Economic Solution
(The American Society of Mechanical Engineers (ASME), 2010)It is noticed in a few steam turbines that there are a pad temperature rise of more than 10°C and a radial journal movement of more than 50 μm in the bearings adjacent to control ... -
Comparative Performance, Emission, and Combustion Characteristics of Rice-Bran Oil and Its Biodiesel in a Transportation Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2010)The methyl esters of vegetable oils known as biodiesel are becoming increasingly popular because of their low environmental impact and potential as a green alternative fuel for diesel engines. ... -
Spreadsheet Calculations for Jets in Crossflow From Single and Opposed Rows With Alternating Hole Sizes
(The American Society of Mechanical Engineers (ASME), 2010)The primary purpose of this study was to show the expected results for cases of single and opposed rows of jets from alternating large and small round holes. Previous publications demonstrated ... -
A New Kind of Multifunctional Energy System Based on Moderate Conversion of Chemical Energy of Fossil Fuels
(The American Society of Mechanical Engineers (ASME), 2010)This paper proposes a new kind of multifunctional energy system (MES) using natural gas and coal to more efficiently and more economically produce methanol and power. Traditional chemical processes ... -
Improved Three-Dimensional Crowning Profiles for Dovetail Attachments
(The American Society of Mechanical Engineers (ASME), 2010)Dovetail attachments in gas turbines are subject to fatigue failures. These fatigue failures occur as a result of large fluctuations in hoop stresses near the edges of contact in attachments. ... -
Experimental Evaluation of the Transient Behavior of a Compressor Station During Emergency Shutdowns
(The American Society of Mechanical Engineers (ASME), 2010)The transient behavior of compressor stations, particularly under rapidly changing conditions, is of vital interest to operators. Predicting transient behavior is an important factor in avoiding ... -
Comparison of Preanode and Postanode Carbon Dioxide Separation for IGFC Systems
(The American Society of Mechanical Engineers (ASME), 2010)This paper examines the arrangement of a solid oxide fuel cell (SOFC) within a coal gasification cycle, this combination generally being called an integrated gasification fuel cell cycle. This ... -
Analysis of Compressor On-Line Washing to Optimize Gas Turbine Power Plant Performance
(The American Society of Mechanical Engineers (ASME), 2010)Due to compressor fouling, gas turbine efficiency decreases over time, resulting in decreased power output of the plant. To counteract the effects of compressor fouling, compressor on-line and ... -
The Thermal Impact of Using Syngas as Fuel in the Regenerator of Regenerative Gas Turbine Engine
(The American Society of Mechanical Engineers (ASME), 2010)Environment and energy are driven forces of human survival and development. Nowadays the use of primary energy comprises mostly mineral fuels, which have limited reserves and whose utilization ... -
Effect of Tungsten Addition on the Nucleation of Borides in Wide Gap Brazed Joint
(The American Society of Mechanical Engineers (ASME), 2010)Wide gap brazing (WGB) is a cost effective and reliable means to repair gas turbine hot section components with defect sizes exceeding 0.3 mm. However, it has been shown that WGB joints of ... -
Combined Cycles With CO2 Capture: Two Alternatives for System Integration
(The American Society of Mechanical Engineers (ASME), 2010)As carbon capture and storage technology has grown as a promising option to significantly reduce CO2 emissions, system integration and optimization claim an important and crucial role. This paper ... -
Application of the Geared Turbofan With Constant Volume Combustor on Short-Range Aircraft: A Feasibility Study
(The American Society of Mechanical Engineers (ASME), 2010)Recently a considerable effort was made to understand the gas- and thermodynamics of wave rotor combustion technology. Pressure-gain combustors potentially have superior performance over conventional ... -
Gas Turbine Engine Emissions—Part II: Chemical Properties of Particulate Matter
(The American Society of Mechanical Engineers (ASME), 2010)The characterization of volatile and nonvolatile particle materials present in gas turbine exhaust is critical for accurate estimation of the potential impacts of airport activities on local air ... -
Detailed Numerical Simulations of the Primary Atomization of a Turbulent Liquid Jet in Crossflow
(The American Society of Mechanical Engineers (ASME), 2010)This paper presents numerical simulation results of the primary atomization of a turbulent liquid jet injected into a gaseous crossflow. Simulations are performed using the balanced force refined ... -
Three-Stream Flamelet Model for Industrial Applications
(The American Society of Mechanical Engineers (ASME), 2010)Efficient turbulent combustion models are typically designed for the numerical simulation of two-stream problems, namely, the combustion of fuel in air. There are applications, however, where large ...