Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 4301-4320 of 9564
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Reduction of Forced Response Levels for Bladed Disks by Mistuning: Overview of the Phenomenon
(The American Society of Mechanical Engineers (ASME), 2011)The newly revealed phenomenon of reduction of forced response levels in a mistuned bladed disk to levels significantly (e.g., by a factor of 2 and more) lower than that of its tuned counterpart ... -
Design and Characterization of a Liquid-Fueled Microcombustor
(The American Society of Mechanical Engineers (ASME), 2011)As part of an effort to develop a microscale gas turbine engine, this paper presents the design and experimental characterization of a microcombustor that catalytically burns JP8 fuel. Due to ... -
Risk Analysis of Gas Turbines for Natural Gas Liquefaction
(The American Society of Mechanical Engineers (ASME), 2011)Procurement of process plant equipment involves decisions based not only on an economic agenda but also on long term plant capability, which in turn depends on equipment reliability. As the ... -
Analysis and Comparison of Reactivity and CO2 Capture Capacity of Fresh Calcium-Based Sorbents and Samples From a Lab-Scale Dual Fluidized Bed Calcium Looping Facility
(The American Society of Mechanical Engineers (ASME), 2011)Naturally occurring limestone and samples from a lab-scale dual fluidized bed (DFB) calcium looping test facility were analyzed in a thermogravimetric analyzer. The reactivity of the samples ... -
A SOFC-Based Integrated Gasification Fuel Cell Cycle With CO2 Capture
(The American Society of Mechanical Engineers (ASME), 2011)The application of solid oxide fuel cells (SOFC) in gasification-based power plants would represent a turning point in the power generation sector, allowing to considerably increase the electric ... -
Improved Controller Performance of Selected Hybrid SOFC-GT Plant Signals Based on Practical Control Schemes
(The American Society of Mechanical Engineers (ASME), 2011)This paper compares and demonstrates the efficacy of implementing two practical single input single output multiloop control schemes on the dynamic performance of selected signals of a solid ... -
An Axial Flow Compressor for Operation With Humid Air and Water Injection
(The American Society of Mechanical Engineers (ASME), 2011)The first steps of the turbomachinery design usually rely on numerical tools based on inviscid formulation with corrections using loss models to account for viscous effects, secondary flows, tip ... -
Evaluating the Machinability of Inconel 718 Using Polar Diagrams
(The American Society of Mechanical Engineers (ASME), 2011)The use of a polar diagram method for describing and evaluating the machinability of Inconel 718 was explored. Five key parameters of the work material, representing the mechanical and physical ... -
A New Method for Measuring Thermal Contact Conductance—Experimental Technique and Results
(The American Society of Mechanical Engineers (ASME), 2011)Thermal contact conductance (TCC) is used to characterize heat transfer across interfaces in contact. It is important in thermal modeling of turbomachinery components and finds many other ... -
Minimizing Sampling Loss in Trace Gas Emission Measurements for Aircraft Engines by Using a Chemical Quick-Quench Probe
(The American Society of Mechanical Engineers (ASME), 2011)This paper describes the development and testing of a gas sampling probe that quenches chemical reactions by using supersonic expansion and helium dilution. Gas sampling probes are required for ... -
Dynamic Adaptation of Aerodynamic Flame Stabilization of a Premix Swirl Burner to Fuel Reactivity Using Fuel Momentum
(The American Society of Mechanical Engineers (ASME), 2011)Due to the expected increase in available fuel gas variants in the future and the interest in independence from a specific fuel, fuel flexible combustion systems are required for future gas ... -
A Parametric Study of Fuel Lattice Design for HTR-10
(The American Society of Mechanical Engineers (ASME), 2011)In this study, the multiplication factor and neutron spectrum behaviors were investigated against the moderator-to-fuel ratio, the fuel loading height, and the detector location in high-temperature ... -
Nonlinear Multiple Points Gas Turbine Off-Design Performance Adaptation Using a Genetic Algorithm
(The American Society of Mechanical Engineers (ASME), 2011)Accurate gas turbine performance models are crucial in many gas turbine performance analysis and gas path diagnostic applications. With current thermodynamic performance modeling techniques, the ... -
CFD Prediction of Partload CO Emissions Using a Two-Timescale Combustion Model
(The American Society of Mechanical Engineers (ASME), 2011)Today’s and future electric power generation is characterized by a large diversification using all kind of sources, including renewables resulting in noncoherent fluctuations of power supply and ... -
A Data Filter for Identifying Steady-State Operating Points in Engine Flight Data for Condition Monitoring Applications
(The American Society of Mechanical Engineers (ASME), 2011)This paper presents an algorithm that automatically identifies and extracts steady-state engine operating points from engine flight data. It calculates the mean and standard deviation of select ... -
A Probabilistic Framework for Gas Turbine Engine Materials With Multiple Types of Anomalies
(The American Society of Mechanical Engineers (ASME), 2011)Some rotor-grade gas turbine engine materials may contain multiple types of anomalies such as voids and inclusions that can be introduced during the manufacturing process. The number and size ... -
The Design of an Ambient Neutron Dose-Equivalent Meter
(The American Society of Mechanical Engineers (ASME), 2011)At present, most of the developed neutron dosimeters used to measure the neutron ambient dose-equivalent that has a moderator with a single counter, applied in neutron radiation fields within ... -
Rotordynamic Characteristics of a Five Pad, Rocker-Pivot, Tilting Pad Bearing in a Load-on-Pad Configuration; Comparisons to Predictions and Load-Between-Pad Results
(The American Society of Mechanical Engineers (ASME), 2011)Rotordynamic data are presented for a rocker-pivot tilting pad bearing in load-on-pad (LOP) configuration for (345–3101 kPa) unit loads and speeds from 4000 rpm to 13,000 rpm. The bearing was ... -
CFD Modeling and LDA Measurements for the Air-Flow in an Aero Engine Front Bearing Chamber
(The American Society of Mechanical Engineers (ASME), 2011)The continuous development of aero engines toward lighter but yet more compact designs, without decreasing their efficiency, has led to gradually increasing demands on the lubrication system, ... -
Removal of Uranium From Aqueous Solution by Chitosan and Ferrous Ions
(The American Society of Mechanical Engineers (ASME), 2011)This study focuses on developing a new method to remove uranium from aqueous solution. Chitosan and ferrous ions were used together to remove uranium ions from aqueous solution. Through two-step ...