Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 3941-3960 of 9564
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Application of Forecasting Methodologies to Predict Gas Turbine Behavior Over Time
(The American Society of Mechanical Engineers (ASME), 2012)The growing need to increase the competitiveness of industrial systems continuously requires a reduction of maintenance costs, without compromising safe plant operation. Therefore, forecasting the ... -
Comparative Performance of a Thermal Barrier Coating System Utilizing Platinum Aluminide Bond Coat on Alloys CMSX-4® and MAR M® 002DS
(The American Society of Mechanical Engineers (ASME), 2012)It is known that the relative performance of thermal barrier coatings is largely dependent upon the oxidation properties of the bond coat utilized in the system. Also, the oxidation properties ... -
Integrated Optimization Design for a Radial Turbine Wheel of a 100 kW-Class Microturbine
(The American Society of Mechanical Engineers (ASME), 2012)The aerodynamic performance, structural strength, and wheel weight are three important factors in the design process of the radial turbine. This paper presents an investigation on these aspects ... -
Postcombustion CO2 Capture for Combined Cycles Utilizing Hot-Water Absorbent Regeneration
(The American Society of Mechanical Engineers (ASME), 2012)The partly hot-water driven CO2 capture plant offers a significant potential for improvement in performance when implemented in a combined-cycle power plant (CCPP). It is possible to achieve the ... -
Combined Cycle Off-Design Performance Estimation: A Second-Law Perspective
(The American Society of Mechanical Engineers (ASME), 2012)A combined cycle power plant (or any power plant, for that matter) does very rarely—if ever—run at the exact design point ambient and loading conditions. Depending on the demand for electricity, ... -
Power Reserve Control for Gas Turbines in Combined Cycle Applications
(The American Society of Mechanical Engineers (ASME), 2012)In order to be able to optimally operate a combined cycle power plant in a liberalized electricity market, knowledge of the plant’s maximum exportable power generation capacity is vital. However, ... -
Correlation Measure-Based Stall Margin Estimation for a Single-Stage Axial Compressor
(The American Society of Mechanical Engineers (ASME), 2012)This paper presents a method for estimating compressor stall margin and the results of applying the estimation technique to an axial compressor rig. Stall margin estimation is accomplished through ... -
Application of MCFC in Coal Gasification Plants for High Efficiency CO2 Capture
(The American Society of Mechanical Engineers (ASME), 2012)Integrated gasification combined cycles (IGCCs) are considered the reference technology for high efficiency and low emission power generation from coal. In recent years, several theoretical and ... -
Nonlinear Fault Diagnosis of Jet Engines by Using a Multiple Model-Based Approach
(The American Society of Mechanical Engineers (ASME), 2012)In this paper, a nonlinear fault detection and isolation (FDI) scheme that is based on the concept of multiple model approach is proposed for jet engines. A modular and a hierarchical ... -
Experimental Investigation of Turbulent Boundary Layer Flashback Limits for Premixed Hydrogen-Air Flames Confined in Ducts
(The American Society of Mechanical Engineers (ASME), 2012)The design of flashback-resistant premixed burners for hydrogen-rich fuels is strongly dependent on reliable turbulent boundary layer flashback limits, since this process can be the dominant failure ... -
Further Characterization of the Disturbance Field in a Transversely Excited Swirl-Stabilized Flame
(The American Society of Mechanical Engineers (ASME), 2012)This paper describes an analysis of the unsteady flow field in swirl flames subjected to transverse acoustic waves. This work is motivated by transverse instabilities in annular gas turbine ... -
An Energy-Based Axial Isothermal- Mechanical Fatigue Lifing Procedure
(The American Society of Mechanical Engineers (ASME), 2012)An energy-based fatigue lifing procedure for the determination of full-life and critical-life of in-service structures subjected to axial isothermal-mechanical fatigue (IMF) has been developed. The ... -
Validation of an Infrared Extinction Method for Fuel Vapor Concentration Measurements Towards the Systematic Comparison Between Alternative and Conventional Fuels for Aviation
(The American Society of Mechanical Engineers (ASME), 2012)Due to increasing oil prices and the obvious influence of the combustion of fossil fuel-derivatives on climate change on the one hand and the steady growth of transportation needs on the ... -
Effect of Swirl and Injection Pressure on Performance and Emissions of JP-8 Fueled High Speed Single Cylinder Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2012)JP-8 is being closely watched as a suitable fuel for the “One fuel policy” by US Army. Some of the main targets of Army in the battle are the fuel economy and smoke/soot emissions. Soot ... -
Effect of Biodiesel, Jet Propellant (JP-8) and Ultra Low Sulfur Diesel Fuel on Auto-Ignition, Combustion, Performance and Emissions in a Single Cylinder Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2012)Concern about the depletion of petroleum reserves, rising prices of conventional fuels, security of supply and global warming have driven research toward the development of renewable fuels for ... -
Thermal Performance Measurement of a Bump Type Gas Foil Bearing Floating on a Hollow Shaft for Increasing Rotating Speed and Static Load
(The American Society of Mechanical Engineers (ASME), 2012)Identifying thermal characteristics of gas foil bearings (GFBs) provides an insight for successful implementation into high speed oil-free turbomachinery. The paper presents temperature measurements ... -
Stability Analysis of an Industrial Gas Compressor Supported by Tilting-Pad Bearings Under Different Lubrication Regimes
(The American Society of Mechanical Engineers (ASME), 2012)This work is aimed at a theoretical study of the dynamic behavior of a rotor-tilting pad journal bearing (TPJB) system under different lubrication regimes, namely, thermohydrodynamic (THD), ... -
Rotordynamic Performance of an Oil-Free Turbo Blower Focusing on Load Capacity of Gas Foil Thrust Bearings
(The American Society of Mechanical Engineers (ASME), 2012)Engineered design of modern efficient turbomachinery based on accurate model predictions is of importance as operating speed and rate power increase. Industrial applications use hydrodynamic fluid ... -
Energy Usage in Natural Gas Pipeline Applications
(The American Society of Mechanical Engineers (ASME), 2012)Energy required to transport the fluid is an important parameter to be analyzed and minimized in pipeline applications. However, the pipeline system requirements and equipment could impose different ... -
Reduced Modeling for Turbine Rotor-Blade Coupled Bending Vibration Analysis
(The American Society of Mechanical Engineers (ASME), 2012)In a traditional turbine-generator set, rotor shaft designers and blade designers have their own models and design process which neglects the coupled effect. Since longer blade systems have ...