Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 5601-5620 of 9564
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Cooling Air Temperature Reduction in a Direct Transfer Preswirl System
(The American Society of Mechanical Engineers (ASME), 2004)This paper describes an experimental study of the cooling efficiency of a preswirl rotor-stator system equipped with a small number of preswirl nozzles of circular shape, located on a radius ... -
Analysis of Cycle Configurations for the Modernization of Combined Heat and Power Plant by Fitting a Gas Turbine System
(The American Society of Mechanical Engineers (ASME), 2004)The application of a gas turbine generally allows to increase the number of possible configurations of cogenerated heat and electrical power systems, which became a significant substitute for ... -
Robust Optimal Design in Multistage Expansion of a Gas Turbine Cogeneration Plant Under Uncertain Energy Demands
(The American Society of Mechanical Engineers (ASME), 2004)In designing cogeneration plants, the estimation of energy demands is an important work. However, many conditions under which energy demands are estimated have some uncertainty at the design ... -
Evaluation of Operational Performance of Gas Turbine Cogeneration Plants Using an Optimization Tool: OPS-Operation
(The American Society of Mechanical Engineers (ASME), 2004)To attain the highest performance of gas turbine cogeneration plants, it is necessary to rationally select the numbers and capacities of gas turbines and auxiliary equipment in consideration of ... -
Turbocharger Unstable Operation Diagnosis Using Vibroacoustic Measurements
(The American Society of Mechanical Engineers (ASME), 2004)The possibility to detect unstable operating condition (stall or surge) of an automotive turbocharger using vibration or acoustic measurements is studied. An experimental study is performed, in ... -
Feasibility of Applying Active Lubrication to Reduce Vibration in Industrial Compressors
(The American Society of Mechanical Engineers (ASME), 2004) -
A Thermodynamic Analysis of Different Options to Break 60% Electric Efficiency in Combined Cycle Power Plants
(The American Society of Mechanical Engineers (ASME), 2004) -
Interaction of Rim Seal and Annulus Flows in an Axial Flow Turbine
(The American Society of Mechanical Engineers (ASME), 2004)A combined computational fluid dynamics (CFD) and experimental study of interaction of main gas path and rim sealing flow is reported. The experiments were conducted on a two stage axial turbine ... -
Development of a Two-Dimensional Computational Fluid Dynamics Approach for Computing Three-Dimensional Honeycomb Labyrinth Leakage
(The American Society of Mechanical Engineers (ASME), 2004)A new approach for employing a two-dimensional computational fluid dynamics (CFD) model to approximately compute a three-dimensional flow field such as that in a honeycomb labyrinth seal was ... -
Performance Benefits Using Siemens Advanced Compressor Cleaning System
(The American Society of Mechanical Engineers (ASME), 2004)Extensive operational performance data from the Siemens Power Generation V64.3 unit in Obernburg, Germany (operated by Kraftwerk Obernburg GmbH) is evaluated. The unit was commissioned in 1996 ... -
Design Optimization of the Graz Cycle Prototype Plant
(The American Society of Mechanical Engineers (ASME), 2004)Introduction of closed-cycle gas turbines with their capability of retaining combustion generated CO2 can offer a valuable contribution to the Kyoto goal and to future power generation. The use ... -
Fuzzy Approaches for Searching Optimal Component Matching Point in Gas Turbine Performance Simulation
(The American Society of Mechanical Engineers (ASME), 2004)In performance simulation of gas turbine, some iteration processes for searching the operating point, which should be matched through gas path components, would be needed. Therefore if the engine ... -
Cycle Analysis of Gas Turbine–Fuel Cell Cycle Hybrid Micro Generation System
(The American Society of Mechanical Engineers (ASME), 2004)Hybrid systems, which are based on a micro gas turbine (μGT) and a solid oxide fuel cell (SOFC), are expected to achieve much higher efficiency than traditional μGT’s. In this paper, the ... -
An Evaluation of the Effects of Water Injection on Compressor Performance
(The American Society of Mechanical Engineers (ASME), 2004)The injection of water droplets into compressor inlet ducting is now commonly used as a means of boosting the output from industrial gas turbines. The chief mechanisms responsible for the ... -
Determination of Chemical Kinetic Parameters of Surrogate Solid Wastes
(The American Society of Mechanical Engineers (ASME), 2004)Results on the thermal decomposition behavior of several important components in solid wastes are presented under controlled chemical and thermal environments. Thermogravimetry (TGA) tests were ... -
Experimental and Computational Study of Hybrid Diffusers for Gas Turbine Combustors
(The American Society of Mechanical Engineers (ASME), 2004)The increasing radial depth of modern combustors poses a particularly difficult aerodynamic challenge for the pre-diffuser. Conventional diffuser systems have a finite limit to the diffusion that ... -
Advanced Closed-Loop Control on an Atmospheric Gaseous Lean-Premixed Combustor
(The American Society of Mechanical Engineers (ASME), 2004)Active control of pressure oscillations has been successfully applied to a lean premixed prevaporized (LPP) combustion rig operating at atmospheric conditions. The design of the rig is based on ... -
Advanced Gas Turbine Cycles
(The American Society of Mechanical Engineers (ASME), 2004)This book requires that the individual using the book be very familiar with the principles of thermodynamics. Most of the equations presented in the text are presented in final form with very ... -
Fault Detection and Identification in an IM270 Gas Turbine Using Measurements for Engine Control
(The American Society of Mechanical Engineers (ASME), 2004)A unique fault detection and identification algorithm using measurements for engine control use is presented. The algorithm detects an engine fault and identifies the associated component, using ... -
Investigation of Turbulence Models Applied to Premixed Combustion Using a Level-Set Flamelet Library Approach
(The American Society of Mechanical Engineers (ASME), 2004)Most of the common modeling approaches to premixed combustion in engineering applications are either based on the assumption of infinitely fast chemistry or the flamelet assumption with simple ...