Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 6481-6500 of 9564
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Air Extraction in a Gas Turbine for Integrated Gasification Combined Cycle (IGCC): Experiments and Analysis
(The American Society of Mechanical Engineers (ASME), 1997)This paper presents an investigation of extracting air from the compressor discharge of a heavy-frame gas turbine. The study aimed to verify results of an approximate analysis: whether extracting ... -
Effects of Cycle Operating Conditions on Combustor Performance
(The American Society of Mechanical Engineers (ASME), 1997)To mitigate the environmental impact of next-generation gas turbine combustors, the emission performance at each condition throughout the load duty cycle must be optimized. Achieving this with a ... -
Optimization of Bearing Locations for Rotor Systems With Magnetic Bearings
(The American Society of Mechanical Engineers (ASME), 1997)This paper presents a method for quickly evaluating the effect of changes in bearing location on bearing design for stability of rotating machinery. This method is intended for use by rotating ... -
An Investigation of the Effects of Flue Gas Injection on Natural Draft Cooling Tower Performance
(The American Society of Mechanical Engineers (ASME), 1997)This paper addresses an investigation of flue gas injection on natural draft cooling tower performance through numerical simulation. The control volume finite difference method was used for ... -
Fracture Toughness of Structural Ceramics Under Biaxial Stress State by Anticlastic Bending Test
(The American Society of Mechanical Engineers (ASME), 1997)Mixed-mode fracture of structural ceramics under a biaxial stress state was investigated by an anticlastic bending test using the controlled surface flaw technique. The stress state of the ... -
A Tabular Taylor Series Expansion Method for Fast Calculation of Steam Properties
(The American Society of Mechanical Engineers (ASME), 1997)A new method is proposed for rapid and accurate calculation of steam properties in the regions of the state plane of greatest importance to the steam power industry. The method makes direct ... -
Balanced Model Reduction and Control of Rotor-Bearing Systems
(The American Society of Mechanical Engineers (ASME), 1997)An effective technique is applied to the suppression of vibrations in flexible rotor-bearing systems with small gyroscopic effects. A balanced linear-quadratic-Gaussian (LQG) controller design ... -
Wave-Rotor-Enhanced Gas Turbine Engines
(The American Society of Mechanical Engineers (ASME), 1997)The benefits of wave rotor topping in small (300- to 500-kW [400- to 700-hp] class) and intermediate (2000- to 3000-kw [3000- to 4000-hp] class) turboshaft engines, and large (350- to 450-kN ... -
Trends in the Design and Analysis of Components Fabricated From CFCCs
(The American Society of Mechanical Engineers (ASME), 1997)Continuous fiber ceramic composite materials (CFCCs) are being considered for an increasing number of commercial applications. They provide the potential for lighter, stronger, more corrosion-resistant ... -
High-Temperature Corrosion Studies in an Oil-Fired Laboratory Combustor
(The American Society of Mechanical Engineers (ASME), 1967)Interaction of sulfur oxides in the combustion gas with furnace elements has been recognized as the major contributor to corrosion and deposits in boilers and gas turbines. These interactions ... -
A Numerical Method for the Prediction of Bladed Disk Forced Response
(The American Society of Mechanical Engineers (ASME), 1997)A numerical method has been developed to predict the forced response of bladed disks due to a wake excitation from upstream blade rows. The structure is modeled by a three-dimensional finite ... -
Energy Analysis to the Design of Rotor-Bearing Systems
(The American Society of Mechanical Engineers (ASME), 1997)In the design of rotating machinery, it is often desirable and necessary to change a subset of system parameters to meet the design requirements. The success in designing rotor-bearing systems ... -
Basic Problems in the Formation of Sulfates in Boiler Furnaces
(The American Society of Mechanical Engineers (ASME), 1967)Reactions involving the formation of sulfates are responsible for most of the problems with external corrosion in boiler furnaces. This paper reviews what is known today about these materials ... -
Dynamic Response of a Cracked Rotor With Some Comments on Crack Detection
(The American Society of Mechanical Engineers (ASME), 1997)By considering time-dependent terms as external excitation forces, the approximate dynamic response of a cracked horizontal rotor is analyzed theoretically and numerically. The solution is good ... -
Synchronous Dynamics of a Coupled Shaft/Bearing/Housing System With Auxiliary Support From a Clearance Bearing: Analysis and Experiment
(The American Society of Mechanical Engineers (ASME), 1997)This study examines the response of a flexible rotor supported by load sharing between linear bearings and an auxiliary clearance bearing. The objective of the work is to develop a better ... -
Nonlinear Vibrations and Stability of a Rotor-Bearing System With Nonsymmetric Clearances
(The American Society of Mechanical Engineers (ASME), 1997)The nonlinear vibrations of a rotordynamic system that is subjected to nonsymmetric bearing clearance effects are considered. Particular attention is paid to the nonstationary response that occurs ... -
Modeling and Simulation Methods for MDOF Structures and Rotating Machinery With Impact Dampers
(The American Society of Mechanical Engineers (ASME), 1997)Previously published work on applied impact damping typically relates to SDOF models or simple MDOF models such as the classical cantilever beam. Structural models often require an extremely ... -
“Snapping” Torsional Response of an Anisotropic Radially Loaded Rotor
(The American Society of Mechanical Engineers (ASME), 1997)A rotor system with two orthogonal lateral and two angular (torsional) degrees of freedom is considered. The rotor has asymmetry of the lateral stiffness and is laterally loaded with a constant ... -
Comparison of the Rotor Dynamic and Structure Dynamic Calculation of Compressors
(The American Society of Mechanical Engineers (ASME), 1997)The paper presents the analysis of a compressor employing the method of cyclic symmetry incorporating gyroscopic effects and geometric nonlinearities of the whole elastic system based on the ... -
Numerical Simulation of Blade Fault Signatures From Unsteady Wall Pressure Signals
(The American Society of Mechanical Engineers (ASME), 1997)A method for establishing signatures of faults in the rotating blades of a gas turbine compressor is presented. The method employs a panel technique for the calculation of the flow field ...