Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 5541-5560 of 9564
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Thermal Characteristics of Gaseous Fuel Flames Using High Temperature Air
(The American Society of Mechanical Engineers (ASME), 2004)Recent advances on high temperature air combustion (HiTAC) have demonstrated significant energy savings, higher and uniform thermal field, lower pollution, and smaller size of the equipment for ... -
Gas Turbine Test Parameters Corrections Including Operation With Water Injection
(The American Society of Mechanical Engineers (ASME), 2004)Methods for correcting data from gas turbine acceptance testing are discussed, focusing on matters which are not sufficiently covered by existing standards. First a brief outline is presented ... -
Inherent CO2 Capture Using Chemical Looping Combustion in a Natural Gas Fired Power Cycle
(The American Society of Mechanical Engineers (ASME), 2004)In this paper an alternative to the so-called “oxy-fuel” combustion for CO2 capture is evaluated. “Chemical looping combustion” (CLC), is closely related to oxy-fuel combustion as the chemically ... -
Microscale Radial-Flow Compressor Impeller Made of Silicon Nitride: Manufacturing and Performance
(The American Society of Mechanical Engineers (ASME), 2004)A microscale, high-speed compressor impeller (12 mm diameter, 800,000 rpm) was tested for feasibility in regard to aerodynamic performance. The compressor was designed for application in a ... -
On the Control of Synchronous Vibration in Rotor/Magnetic Bearing Systems Involving Auxiliary Bearing Contact
(The American Society of Mechanical Engineers (ASME), 2004)During the normal operation of rotor/magnetic bearing systems, contacts with auxiliary bearings or bushes are avoided. However, auxiliary bearings are required under abnormal conditions and in ... -
Carbon Dioxide Emission Analysis With Energy Payback Effect
(The American Society of Mechanical Engineers (ASME), 2004)Analytical model is proposed to account for carbon emission behavior during replacement of power source from fossil to renewable energy in which sustainability of energy supply is stressed. ... -
Effect of Inlet Air Cooling by Ice Storage on Unit Sizing of a Gas Turbine Cogeneration Plant
(The American Society of Mechanical Engineers (ASME), 2004)In the commercial sector, heat and power demands peak in the summer daytime because of high space cooling demands, and cogeneration plants are required to produce maximum heat and power to ... -
Load History Effects on Fretting Contacts of Isotropic Materials
(The American Society of Mechanical Engineers (ASME), 2004)The load history that blade/disk contacts in jet engine attachment hardware are subject to can be very complex. Using finite element method (FEM) to track changes in the contact tractions due ... -
Degradation Effects on Combined Cycle Power Plant Performance—Part III: Gas and Steam Turbine Component Degradation Effects
(The American Society of Mechanical Engineers (ASME), 2004)This paper presents an investigation of the degradation effects that gas and steam turbine cycles components have on combined cycle (CCGT) power plant performance. Gas turbine component degradation ... -
Small-Scale Well-Proven Inherently Safe Nuclear Power Conversion
(The American Society of Mechanical Engineers (ASME), 2004)Over the last few years a number of papers have discussed the progress on studies and thoughts on small-scale nuclear power, especially nuclear power conversion systems aiming at the nonutility ... -
Neural Network Emulation of a Magnetically Suspended Rotor
(The American Society of Mechanical Engineers (ASME), 2004)The use of magnetic bearings in high speed/low friction applications is increasing in industry. Magnetic bearings are sophisticated electromechanical systems, and modeling magnetic bearings using ... -
The Development of High-Performance Leaf Seals
(The American Society of Mechanical Engineers (ASME), 2004)Recently, from the environmental point of view, demand for a combined cycle plant is increasing, and superior gas turbine performance is being rapidly promoted at the same time. As one of the ... -
Combustion Structures in Lifted Ethanol Spray Flames
(The American Society of Mechanical Engineers (ASME), 2004)The development of a double flame structure in lifted ethanol spray flames is visualized using OH planar laser-induced fluorescence (PLIF). While the OH images indicate a single reaction zone ... -
Preliminary Gas Turbine Design Using the Multidisciplinary Design System MOPEDS
(The American Society of Mechanical Engineers (ASME), 2004)A prototype preliminary design task for gas turbines is set up to outline the four major requirements a preliminary design program must typically meet: assessment of all major engine components ... -
A Computer Code for Gas Turbine Engine Weight and Disk Life Estimation
(The American Society of Mechanical Engineers (ASME), 2004)Reliable engine-weight estimation at the conceptual design stage is critical to the development of new aircraft engines. It helps to identify the best engine concept amongst several candidates. ... -
Flashback in a Swirl Burner With Cylindrical Premixing Zone
(The American Society of Mechanical Engineers (ASME), 2004)Flame flashback from the combustion chamber into the mixing zone is one of the inherent problems of lean premixed combustion and essentially determines the reliability of low NOx burners. ... -
Introduction and Performance Prediction of a Nutating-Disk Engine
(The American Society of Mechanical Engineers (ASME), 2004)A new type of internal combustion engine and its thermodynamic cycle are introduced. The core of the engine is a nutating nonrotating disk, with the center of its hub mounted in the middle ... -
Pre-integrated Nonequilibrium Combustion-Response Mapping for Gas Turbine Emissions
(The American Society of Mechanical Engineers (ASME), 2004)In gas turbine combustion the gas dynamic and chemical energy release mechanisms have comparable time scales, so that equilibrium chemistry is inadequate for predicting species formation (emissions). ... -
On the Use of Helmholtz Resonators for Damping Acoustic Pulsations in Industrial Gas Turbines
(The American Society of Mechanical Engineers (ASME), 2004)In this work, the application of Helmholtz resonators for damping low-frequency pulsations in gas turbine combustion chambers is discussed. We present a nonlinear model for predicting the acoustic ... -
Fuel-Cooled Thermal Management for Advanced Aeroengines
(The American Society of Mechanical Engineers (ASME), 2004)Fuel-cooled thermal management, including endothermic cracking and reforming of hydrocarbon fuels, is an enabling technology for advanced aero engines and offers potential for cycle improvements ...