Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 5841-5860 of 9564
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Dynamic Simulation of Full Startup Procedure of Heavy-Duty Gas Turbines
(The American Society of Mechanical Engineers (ASME), 2002)A simulation program for transient analysis of the startup procedure of heavy duty gas turbines for power generation has been constructed. Unsteady one-dimensional conservation equations are ... -
Kalaeloa: Combined Cycle Power Station Burning Low Sulfur Fuel Oil in Its Ninth Successful Year
(The American Society of Mechanical Engineers (ASME), 2002)This paper presents the O&M experience at the Kalaeloa Cogeneration Plant. Performance issues and other problems related to firing heavy oil in a combustion turbine are presented together ... -
Metallurgical Considerations for Life Assessment and the Safe Refurbishment and Requalification of Gas Turbine Blades
(The American Society of Mechanical Engineers (ASME), 2002)Metallurgical analysis of rotating blades operating in advanced gas turbine engines is important in establishing actual operating conditions, degradation modes, remaining life, and most importantly, ... -
Inverted Brayton Cycle Employment for Low-Temperature Cogenerative Applications
(The American Society of Mechanical Engineers (ASME), 2002) -
Evaluation of the Cross Corrugated and Some Other Candidate Heat Transfer Surfaces for Microturbine Recuperators
(The American Society of Mechanical Engineers (ASME), 2002)To achieve high thermal efficiencies, 30 percent and higher, for small gas turbines a recuperator is mandatory. As the recuperator represents 25–30 percent of the overall machine cost, efforts ... -
Advanced Gas Turbine Technology: ABB/BCC Historical Firsts
(The American Society of Mechanical Engineers (ASME), 2002)During more than 100 years engineers of the Swiss development center of A.-G. BBC Brown, Boveri & Cie., from 1988 onwards ABB Asea Brown Boveri Ltd., in 1999 ABB ALSTOM POWER Ltd., and ... -
Three Practical Examples of Magnetic Bearing Control Design Using a Modern Tool
(The American Society of Mechanical Engineers (ASME), 2002)The use of magnetic bearing in industrial applications has increased due to their unique properties. Nowadays efficiency and predictability in handling rotors on magnetic bearings is asked with ... -
Modeling the Thermostructural Capability of Continuous Fiber-Reinforced Ceramic Composites
(The American Society of Mechanical Engineers (ASME), 2002)There exists today considerable interest in developing continuous fiber-reinforced ceramic matrix composites (CMC) that can operate as hot-section components in advanced gas turbine engines. The ... -
Application of Foil Bearings to Turbomachinery Including Vertical Operation
(The American Society of Mechanical Engineers (ASME), 2002)A review is made of the function of compliant surface bearings in serving the needs of modern turbomachinery. This service extends over a wide spectrum of severe operational and environmental ... -
A Combined Eulerian and Lagrangian Method for Prediction of Evaporating Sprays
(The American Society of Mechanical Engineers (ASME), 2002)Polydisperse sprays in complex three-dimensional flow systems are important in many technical applications. Numerical descriptions of sprays are used to achieve a fast and accurate prediction of ... -
A Proposal for Integration of Wind Tunnel and Engine Test Programs for the Evaluation of Airframe-Propulsion Compatibility Using Numerical Simulations1
(The American Society of Mechanical Engineers (ASME), 2002)The current high-performance aircraft development programs, and the trends in research and development activities suggest a rapidly increasing level of aircraft subsystem integration, particularly ... -
Reaction Mechanisms for Methane Ignition
(The American Society of Mechanical Engineers (ASME), 2002)To help understand how methane ignition occurs in gas turbines, dual-fuel diesel engines, and other combustion devices, the present study addresses reaction mechanisms with the objective of ... -
Applying the Representative Interactive Flamelet Model to Evaluate the Potential Effect of Wall Heat Transfer on Soot Emissions in a Small-Bore Direct-Injection Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2002)Capturing the physics related to the processes occurring in the two-phase flow of a direct-injection diesel engine requires a highly sophisticated modeling approach. The representative interactive ... -
Rig and Engine Testing of Melt Infiltrated Ceramic Composites for Combustor and Shroud Applications
(The American Society of Mechanical Engineers (ASME), 2002)General Electric has developed SiC fiber-reinforced SiC-Si matrix composites produced by silicon melt infiltration for use in gas turbine engine applications. High temperature, high-pressure combustion ... -
Improved Gas Turbine Efficiency Through Alternative Regenerator Configuration
(The American Society of Mechanical Engineers (ASME), 2002)An alternative configuration for a regenerative gas turbine engine cycle is presented that yields higher cycle efficiencies than either simple or conventional regenerative cycles operating under ... -
Analysis of the Effects of Water Injection on the Performance of a Gas Turbine
(The American Society of Mechanical Engineers (ASME), 2002)The effect of water injection in the combustion chamber of an industrial gas turbine is studied by means of analytic relations. Equations for the estimation of changes in the main performance ... -
A Framework for Flutter Clearance of Aeroengine Blades
(The American Society of Mechanical Engineers (ASME), 2002)A framework for flutter operability assessment, based upon a new set of similarity parameters, has been developed. This set consists of four parameters which embrace both the performance ... -
Eigensolutions of Grouped Turbo Blades Solved by the Generalized Differential Quadrature Method
(The American Society of Mechanical Engineers (ASME), 2002)The eigenvalue problems of grouped turbo blades were numerically formulated by using the generalized differential quadrature method (GDQM). Different boundary approaches accompanying the GDQM to ... -
Friction Damping of Interlocked Vane Segments: Experimental Results
(The American Society of Mechanical Engineers (ASME), 2002)Experimental methods and results of the stator bladed segment of an aircraft engine are presented. Investigation concerns the energy dissipation due to friction between contact surfaces of adjacent ... -
Optimum Design of Squeeze Film Dampers Supporting Multiple-Mode Rotors
(The American Society of Mechanical Engineers (ASME), 2002)In this paper a study of the optimum design of squeeze film dampers for multimode rotors is presented. The optimum design program obtains the best possible damper parameters for a given rotor ...