Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 4801-4820 of 9564
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A Conceptual Design Study for a New High Temperature Fast Response Cooled Total Pressure Probe
(The American Society of Mechanical Engineers (ASME), 2009)The present paper proposes a concept for a water-cooled high temperature unsteady total pressure probe intended for measurements in the hot sections of industrial gas turbines or aero-engines. ... -
A Simple Mathematical Approach to Data Reconciliation in a Single-Shaft Combined Cycle System
(The American Society of Mechanical Engineers (ASME), 2009)The ultimate proof of the soundness and viability of a novel technology is a full-scale demonstration test in which actual components are run successfully over the entire operating envelope. ... -
Performance and Cost Analysis of Advanced Gas Turbine Cycles With Precombustion CO2 Capture
(The American Society of Mechanical Engineers (ASME), 2009)This paper presents the results of an evaluation of advanced combined cycle gas turbine plants with precombustion capture of CO2 from natural gas. In particular, the designs are carried out ... -
Effect of Time and Temperature on Thermal Barrier Coating Failure Mode Under Oxidizing Environment
(The American Society of Mechanical Engineers (ASME), 2009)Thermal barrier coatings (TBCs) have been recently introduced to hot section components, such as transition pieces and the first two stages of turbine blades and vanes of advanced F, G, and ... -
Misalignment in Gas Foil Journal Bearings: An Experimental Study
(The American Society of Mechanical Engineers (ASME), 2009)As gas foil journal bearings become more prevalent in production machines, such as small gas turbine propulsion systems and microturbines, system level performance issues must be identified and ... -
Losses in High Speed Permanent Magnet Machines Used in Microturbine Applications
(The American Society of Mechanical Engineers (ASME), 2009)High speed permanent magnet (PM) machines are used in microturbine applications due to their compactness, robust construction, and high efficiency characteristics. These machines are integrated ... -
Swirling Annular Flow in a Steam Separator
(The American Society of Mechanical Engineers (ASME), 2009)Effects of pick-off ring configuration on the separator performance of a downscaled model of a steam separator for a boiling water nuclear reactor are examined using various types of pick-off ... -
Numerical Simulation of Aero-Engine Lubrication System
(The American Society of Mechanical Engineers (ASME), 2009)A software, general analysis software of aero-engine lubrication system (GASLS ), for simulating aero-engine lubrication system is presented. The software is capable of analyzing the flow, pressure, ... -
Foreign Object Damage in an Oxide/Oxide Composite at Ambient Temperature
(The American Society of Mechanical Engineers (ASME), 2009)Foreign object damage behavior of an oxide/oxide (N720/AS) ceramic matrix composite was determined at ambient temperature using impact velocities ranging from 100 m/s to 400 m/s by 1.59 mm ... -
Recent Advances in Nuclear Based Hydrogen Production With the Thermochemical Copper-Chlorine Cycle
(The American Society of Mechanical Engineers (ASME), 2009)This paper presents a review of recent advances in nuclear-based hydrogen production with a thermochemical copper-chlorine cycle. Growing attention has focused on thermochemical water decomposition ... -
Assessment of Different Actuator Concepts for Acoustic Boundary Control of a Premixed Combustor
(The American Society of Mechanical Engineers (ASME), 2009)In the design process, new burners are generally tested in combustion test rigs. With these experiments, computational fluid dynamics, and finite element calculations, the burners’ performance in ... -
Carbon Capture for Automobiles Using Internal Combustion Rankine Cycle Engines
(The American Society of Mechanical Engineers (ASME), 2009)Internal combustion Rankine cycle (ICRC) power plants use oxy-fuel firing with recycled water in place of nitrogen to control combustion temperatures. High efficiency and specific power output ... -
Application of Exhaust Gas Recirculation in a DLN F-Class Combustion System for Postcombustion Carbon Capture
(The American Society of Mechanical Engineers (ASME), 2009)This paper describes experimental work performed at General Electric, Global Research Center to evaluate the performance and understand the risks of using dry low NOx (DLN) technologies in exhaust ... -
Experimental Study on Laser-Induced Ignition of Swirl-Stabilized Kerosene Flames
(The American Society of Mechanical Engineers (ASME), 2009)Conventional ignition systems of aeroengines are an integral part of the combustion chamber’s structure. Due to this hardware-related constraint, the ignition spark has to be generated in the ... -
Description of a Semi-Independent Time Discretization Methodology for a One-Dimensional Gas Dynamics Model
(The American Society of Mechanical Engineers (ASME), 2009)Modeling has become an essential technique in design and optimization processes of internal combustion engines. As a consequence, the development of accurate modeling tools is, in this moment, ... -
Development of an Improved Desiccant-Based Evaporative Cooling System for Gas Turbines
(The American Society of Mechanical Engineers (ASME), 2009)The evaporative inlet cooling systems do not work well in humid areas. However, desiccant wheels can be used to dehumidify the air before passing it through the evaporative cooler. A previous ... -
Creep Degradation of Thermally Exposed IN738C Superalloy
(The American Society of Mechanical Engineers (ASME), 2009)Creep degradation of an IN738C superalloy after long-term thermal exposure in an atmospheric furnace was investigated by means of accelerated creep tests. Experimental observation showed that the ... -
Experimental Study on Effects of Slot Hot Blowing on Secondary Water Droplet Size and Water Film Thickness
(The American Society of Mechanical Engineers (ASME), 2009)The effects of the slot hot blowing of the hollow stator blades on the size of secondary water droplets and the thickness of the water film were experimentally investigated in this paper. ... -
Simulations of Metal Oxidation in Lead Bismuth Eutectic at a Mesoscopic Level
(The American Society of Mechanical Engineers (ASME), 2009)The corrosiveness of lead bismuth eutectic (LBE), as an ideal coolant candidate in reactors and accelerator driven systems (ADSs), presents a critical challenge for safe applications. One of the ... -
Extending the Lean Limit of Natural-Gas Engines
(The American Society of Mechanical Engineers (ASME), 2009)Two different methods to improve the thermal efficiency and reduce the emissions from lean-burn natural-gas fueled engines have been developed and are described in this paper. One method used ...