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Proceedings Papers

Proceedings Volume Cover
ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition
June 7–10, 1999
Indianapolis, Indiana, USA
Conference Sponsors:
  • International Gas Turbine Institute
ISBN:
978-0-7918-7861-3
Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award; General

Manufacturing Materials and Metallurgy

Development of Hip Diffusion Bonding Processes for ODS Alloy Turbine Vanes
Yoshihiro Matsuda, Toshihiro Takikita, Shin-ichiro Noumi, Naofumi Akikawa, Toyoaki Yoshida, Masanobu Taki
GT 1999; V004T01A001doi:https://doi.org/10.1115/99-GT-131
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Topics: Alloys , Diffusion bonding (Metals) , Turbines , Casting , Cooling , Diffusion (Physics) , Bonding , Engines , Gas turbines , Heat
Accelerated High Temperature Performance Evaluation of Superalloys for Process Optimization and Remaining Life Assessment
David A. Woodford
GT 1999; V004T01A002doi:https://doi.org/10.1115/99-GT-284
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Topics: High temperature , Optimization , Performance evaluation , Remaining life assessment , Superalloys , Creep , Fracture (Materials) , Fracture (Process) , Alloys , Rupture
Stress Relaxation Testing of Service Exposed IN738 for Creep Strength Evaluation
David A. Woodford
GT 1999; V004T01A003doi:https://doi.org/10.1115/99-GT-285
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Topics: Creep , Relaxation (Physics) , Stress , Testing , Airfoils , Alloys , Deformation , Design , Fracture (Materials) , Fracture (Process)
A Study on Fusion Repair Process for a Precipitation Hardened IN738 Ni-Based Superalloy
Dae-Young Kim, Jong-Hyun Hwang, Kwang-Soo Kim, Joong-Geun Youn
GT 1999; V004T01A004doi:https://doi.org/10.1115/99-GT-313
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Topics: Maintenance , Precipitation hardening , Superalloys , Cracking (Materials) , Fracture (Process) , Heat , Welded joints , Cladding systems (Building) , Fracture (Materials) , Gas tungsten arc welding
CM 186 LC® Alloy Single Crystal Turbine Vanes
Phil S. Burkholder, Malcolm C. Thomas, Randy Helmink, Donald J. Frasier, Ken Harris, Jacqueline B. Wahl
GT 1999; V004T01A005doi:https://doi.org/10.1115/99-GT-379
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Topics: Alloys , Crystals , Turbines , Casting , Airfoils , Superalloys , Boron , Carbon , Creep , Gas turbines
Protruded Four-Point Bending Testing Method and Characterization of Near Interface Cracking in Thermal Barrier Coatings
Zhehua Zhang, T. E. Bloomer, J. Kameda, S. Sakurai
GT 1999; V004T01A006doi:https://doi.org/10.1115/99-GT-380
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Topics: Cracking (Materials) , Fracture (Process) , Testing , Thermal barrier coatings , Fracture (Materials) , Coatings , Ducts , Stress concentration , Deformation , Finite element analysis
Predicting Coating Degradation Under Variable Peak Temperatures
Kwai S. Chan, N. Sastry Cheruvu, Gerald R. Leverant
GT 1999; V004T01A007doi:https://doi.org/10.1115/99-GT-381
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Topics: Coating processes , Coatings , Temperature , Cycles , Oxidation , Aluminum , Cooling , Diffusion (Physics) , Heating , Spallation (Nuclear physics)
Recovery of Microstructure and Mechanical Properties of Service Run GTD-111 DS Buckets
N. S. Cheruvu, V. P. Swaminathan, C. D. Kinney
GT 1999; V004T01A008doi:https://doi.org/10.1115/99-GT-425
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Topics: Mechanical properties , Blades , High temperature , Airfoils , Blanks , Coating processes , Coatings , Creep , Engines , Heat
Coating Stripping Method for Refurbishing of Gas Turbine Blades and Vanes
Sergio Corcoruto, Umberto Guerreschi, Ettore Gandini
GT 1999; V004T01A009doi:https://doi.org/10.1115/99-GT-426
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Topics: Blades , Coatings , Gas turbines , Aluminum , Heat treating (Metalworking) , Plasma spraying , Plasmas (Ionized gases) , Spraying (Coating processes) , Vacuum , Blasting
Reconditioning of Gas Turbine Components by Heat Treatment
Julie A. Brown, Robert Freer, Andrew T. Rowley
GT 1999; V004T01A010doi:https://doi.org/10.1115/99-GT-444
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Topics: Gas turbines , Heat treating (Metalworking) , Creep , Analytical methods , Damage , Machinery , Maintenance , Operating temperature , Rotating blades , Superalloys
Enabling Technologies for Advanced Turbine Component Life Extension
J. Liburdi, P. Lowden
GT 1999; V004T01A011doi:https://doi.org/10.1115/99-GT-445
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Topics: Life extension , Turbine components , Maintenance , Welding , Alloys , Coating processes , Design , Engines , Fracture (Materials) , Heat
Investigations on the Deposition and the Efficiency of a Multilayer High Temperature Coating System for Gas Turbine Blades
Erich Lugscheider, Ulrich Eritt, Gunter von Hayn, Dieter Neuschuetz, Juergen Mueller
GT 1999; V004T01A012doi:https://doi.org/10.1115/99-GT-448
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Topics: Blades , Coating processes , Coatings , Gas turbines , High temperature , Diffusion (Physics) , Fracture (Materials) , Adhesion , Bonding , Chemical vapor deposition

Ceramics

Continuous Fiber Ceramic Matrix Composites for Gas Turbine Applications
A. Szweda, T. E. Easler, D. R. Petrak, V. A. Black
GT 1999; V004T02A001doi:https://doi.org/10.1115/99-GT-189
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Topics: Ceramic matrix composites , Fibers , Gas turbines , High temperature , Durability , Engineering prototypes , Fiber reinforced ceramics , Fracture toughness , Manufacturing , Polymer composites
Advances in Oxide-Oxide CMC
Robert A. Jurf, Steven C. Butner
GT 1999; V004T02A002doi:https://doi.org/10.1115/99-GT-190
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Topics: Ceramic matrix composites , Materials properties , Combustion , Hardware , Manufacturing , Textiles , Turbines
Time-Dependent Reliability of Ceramic Components Subjected to High-Temperature Loading in a Corrosive Environment
A. Brückner-Foit, C. Ziegler
GT 1999; V004T02A003doi:https://doi.org/10.1115/99-GT-233
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Topics: High temperature , Industrial ceramics , Reliability , Combustion chambers , Ceramics , Damage , Failure , Fasteners , Linings (Textiles) , Oxidation
SiC Fiber Reinforced SiC-Si Matrix Composites Prepared by Melt Infiltration (MI) for Gas Turbine Engine Applications
Gregory S. Corman, Milivoj K. Brun, Krishan L. Luthra
GT 1999; V004T02A004doi:https://doi.org/10.1115/99-GT-234
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Topics: Composite materials , Fibers , Gas turbines , Silicon , Temperature , Turbines , Combustion , Combustion chambers , Cracking (Materials) , Fracture (Process)
Design and Testing of CFCC Shroud and Combustor Components
Anthony J. Dean, Gregory S. Corman, Bharat Bagepalli, Krishan L. Luthra, Paul S. DiMascio, Robert M. Orenstein
GT 1999; V004T02A005doi:https://doi.org/10.1115/99-GT-235
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Topics: Combustion chambers , Design , Testing , Composite materials , Flames , High pressure (Physics) , Steady state , Combustion , Combustion gases , Cycles
Degradation of Silicon Nitrides in High Pressure, Moisture Rich Environments
M. K. Ferber, H. T. Lin, V. Parthasarathy, W. Brentnall
GT 1999; V004T02A006doi:https://doi.org/10.1115/99-GT-265
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Topics: High pressure (Physics) , Silicon , Silicon nitride ceramics , Gas turbines , Pressure , Reliability , Scanning electron microscopy , Silicon carbide ceramics , Water vapor
A Viscoplastic Constitutive Theory for Monolithic Ceramics — II
Lesley A. Janosik, Stephen F. Duffy
GT 1999; V004T02A007doi:https://doi.org/10.1115/99-GT-266
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Topics: Ceramics , Creep , Stress , Constitutive equations , Flow (Dynamics) , Algorithms , Compression , Computers , Hydrostatics , Relaxation (Physics)
Stress Relaxation Testing as a Basis for Creep Analysis and Design of Silicon Nitride
David A. Woodford, Andrew A. Wereszczak, Wate T. Bakker
GT 1999; V004T02A008doi:https://doi.org/10.1115/99-GT-291
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Topics: Creep , Design , Relaxation (Physics) , Silicon nitride ceramics , Stress , Testing , Deformation , Optimization , Temperature , Thermomechanics
Exposure of Ceramics and Ceramic Matrix Composites in Simulated and Actual Combustor Environments
Karren L. More, Peter F. Tortorelli, Mattison K. Ferber, Larry R. Walker, James R. Keiser, Narendernath Miriyala, William D. Brentnall, Jeffrey R. Price
GT 1999; V004T02A009doi:https://doi.org/10.1115/99-GT-292
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Topics: Ceramic matrix composites , Ceramics , Combustion chambers , Damage , Furnaces , Gas turbines , High pressure (Physics) , High temperature , Stability , Steam
Status of the CERAMIC/ERICA Probabilistic Life Prediction Codes Development for Structural Ceramic Applications
Bjoern Schenk, Peggy J. Brehm, M. N. Menon, Alonso D. Peralta, William T. Tucker
GT 1999; V004T02A010doi:https://doi.org/10.1115/99-GT-318
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Topics: Ceramics , Fatigue , Industrial ceramics , Reliability , Computers , Design , Engines , Experimental design , Failure mechanisms , Fracture (Materials)
A New Probabilistic Approach for Accurate Fatigue Data Analysis of Ceramic Materials
Bjoern Schenk, Peggy J. Brehm, M. N. Menon, William T. Tucker, Alonso D. Peralta
GT 1999; V004T02A011doi:https://doi.org/10.1115/99-GT-319
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Topics: Ceramics , Fatigue , Failure mechanisms , Fracture (Materials) , Industrial ceramics , Reliability , Computers , Design , Engines , Experimental design
Deformation of Plasma Sprayed Thermal Barrier Coatings
Ufuk Senturk, Rogerio S. Lima, Carlos R. C. Lima, Christopher C. Berndt
GT 1999; V004T02A012doi:https://doi.org/10.1115/99-GT-348
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Topics: Deformation , Plasmas (Ionized gases) , Thermal barrier coatings , Coatings , Acoustic emissions , Composite materials , Ceramics , Coal , Failure , Fracture (Materials)
Model Combustor to Assess the Oxidation Behavior of Ceramic Materials Under Real Engine Conditions
D. Filsinger, A. Schulz, S. Wittig, C. Taut, H. Klemm, G. Wötting
GT 1999; V004T02A013doi:https://doi.org/10.1115/99-GT-349
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Topics: Ceramics , Combustion chambers , Engines , Oxidation , Gas turbines , High temperature , Temperature , Bending (Stress) , Combustion gases , Emissions
Effects of Alloy Composition on the Performance of Yttria Stabilized Zirconia–Thermal Barrier Coatings
Josh Kimmel, Zaher Mutasim, William Brentnall
GT 1999; V004T02A014doi:https://doi.org/10.1115/99-GT-350
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Topics: Alloys , Thermal barrier coatings , Turbines , Industrial gases , Aerospace industry , Coating processes , Coatings , Cycles , Gas turbines , High temperature
Ceramic Stationary Gas Turbine Development Program: Sixth Annual Summary
Jeffrey R. Price, Oscar Jimenez, Vijay Parthasarathy, Narendernath Miriyala
GT 1999; V004T02A015doi:https://doi.org/10.1115/99-GT-351
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Topics: Ceramics , Gas turbines , Engines , Industrial ceramics , Testing , Combined heat and power , Blades , Combustion chambers , Design , Nozzles
Reductions in Acquisition Costs for State of the Art Fabrication of CFCC Turbine Engine Combustor Liners
Phillip A. Craig, David Godfrey
GT 1999; V004T02A016doi:https://doi.org/10.1115/99-GT-352
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Topics: Combustion chambers , Gas turbines , Manufacturing , Ceramic composites , Engineering prototypes
Boundary Conditions for Ceramic Turbine Components: Analytical Prediction and Test Validation
Hamid Bagheri, Oscar Jimenez
GT 1999; V004T02A017doi:https://doi.org/10.1115/99-GT-394
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Topics: Boundary-value problems , Ceramics , Turbine components , Engines , Industrial ceramics , Temperature , Solar energy , Finite element analysis , Gas turbines , Blades
The Evaluation of CFCC Liners After Field-Engine Testing in a Gas Turbine
Narendernath Miriyala, Jane F. Simpson, Vijay M. Parthasarathy, William D. Brentnall
GT 1999; V004T02A018doi:https://doi.org/10.1115/99-GT-395
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Topics: Engines , Gas turbines , Testing , Ceramics , Solar energy , Turbines , Combustion chambers , Composite materials , Durability , Embrittlement
Deposition and Testing of Thermal Barrier Coatings on Gas Turbine Vanes
M. Tului, G. C. Gualco, R. Scarpellini
GT 1999; V004T02A019doi:https://doi.org/10.1115/99-GT-417
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Topics: Gas turbines , Testing , Thermal barrier coatings , Temperature , Coating processes , Coatings , Airfoils , Blades , Ceramics , Compressed air
Key Durability Issues With Mullite-Based Environmental Barrier Coatings for Si-Based Ceramics
Kang N. Lee
GT 1999; V004T02A020doi:https://doi.org/10.1115/99-GT-443
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Topics: Ceramics , Coatings , Durability , Contamination , Bonding , Combustion , Fracture (Materials) , Failure , Oxidation , Plasmas (Ionized gases)
Systematic Reduction of Stress Levels for a Thermally High Loaded Ceramic Nozzle Vane With Trailing Edge Ejection
M. Dilzer, A. Schulz, S. Wittig
GT 1999; V004T02A021doi:https://doi.org/10.1115/99-GT-450
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Topics: Ceramics , Nozzles , Stress , Cooling , Design , Engines , Reliability , Temperature distribution , Boundary-value problems , Cycles

Structures and Dynamics

Experimental Evaluation of a Metal Mesh Bearing Damper
Mark Zarzour, John Vance
GT 1999; V004T03A001doi:https://doi.org/10.1115/99-GT-015
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Topics: Bearings , Dampers , Metals , Rotors , Stiffness , Turbines , Damping , Temperature , Design , Stress
Hybrid Brush Pocket Damper Seals for Turbomachinery
Hector E. Laos, John M. Vance, Steven E. Buchanan
GT 1999; V004T03A002doi:https://doi.org/10.1115/99-GT-016
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Topics: Dampers , Turbomachinery , Damping , Leakage , Cavities , Computers , Design , Rotors , Vibration , Aircraft engines
Experimental Measurements of Actively Controlled Bearing Damping With an Electrorheological Fluid
John M. Vance, Daniel Ying
GT 1999; V004T03A003doi:https://doi.org/10.1115/99-GT-017
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Topics: Bearings , Damping , Electrorheological fluids , Dampers , Rotors , Vibration , Aircraft engines , Coulombs , Stiffness , Viscosity
Actively Controlled Bearing Dampers for Aircraft Engine Applications
John M. Vance, Daniel Ying, Jorgen L. Nikolajsen
GT 1999; V004T03A004doi:https://doi.org/10.1115/99-GT-018
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Topics: Aircraft engines , Bearings , Dampers , Damping , Coulombs , Vibration , Disks , Engines , Friction , Rotor vibration
Phase-Lagged Boundary Condition Methods for Aeroelastic Analysis of Turbomachines: A Comparative Study
R. Srivastava, Milind A. Bakhle, Theo G. Keith, Jr., G. L. Stefko
GT 1999; V004T03A005doi:https://doi.org/10.1115/99-GT-019
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Topics: Boundary-value problems , Turbomachinery , Inflow , Blades , Computers , Flat plates , Shock (Mechanics)
Dynamic Coefficients of Stepped Labyrinth Gas Seals
K. Kwanka
GT 1999; V004T03A006doi:https://doi.org/10.1115/99-GT-020
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Topics: Damping , Density , Design , Excitation , Flow (Dynamics) , Fluids , Rotors , Stiffness , Turbomachinery , Vibration
Steady and Dynamic Stall Analysis of the NLR 7301 Airfoil
Stefan Weber, Max F. Platzer
GT 1999; V004T03A007doi:https://doi.org/10.1115/99-GT-021
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Topics: Airfoils , Turbulence , Boundary layers , Navier-Stokes equations , Stall behavior , Steady state
Aerodynamic Damping Characteristics of a Transonic Turbine Cascade
Mizuho Aotsuka, Toshinori Watanabe, Yasuo Machida
GT 1999; V004T03A008doi:https://doi.org/10.1115/99-GT-050
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Topics: Cascades (Fluid dynamics) , Damping , Turbines , Design , Blades , Oscillations , Pressure , Aerodynamics , Computer simulation , Flow (Dynamics)
Cyclic Finite Element Modeling of Shrouded Turbine Blades Including Frictional Contacts
J. Szwedowicz
GT 1999; V004T03A009doi:https://doi.org/10.1115/99-GT-092
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Topics: Blades , Disks , Finite element analysis , Finite element model , Modeling , Turbine blades
Feasibility of Contact Elimination of a Mechanical Face Seal Through Clearance Adjustment
Min Zou, Joshua Dayan, Itzhak Green
GT 1999; V004T03A010doi:https://doi.org/10.1115/99-GT-147
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Topics: Clearances (Engineering) , Probes , Rotors , Dynamics (Mechanics) , Pattern recognition , Signals , Stators
Prediction of Acoustic, Vorticity and Entropy Waves Generated by Short-Duration Acoustic Pulses Incident on a Blade Row
Miklos Sajben
GT 1999; V004T03A011doi:https://doi.org/10.1115/99-GT-148
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Topics: Acoustics , Blades , Entropy , Vorticity , Waves , Compressors , Flow (Dynamics) , Boundary-value problems , Computation , Geometry
Modelling of a Microslip Friction Damper Subjected to Translation and Rotation
Gabor Csaba
GT 1999; V004T03A012doi:https://doi.org/10.1115/99-GT-149
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Topics: Dampers , Friction , Modeling , Rotation , Degrees of freedom , Surface roughness , Algebra , Algorithms , Blades , Computer software
Reliable Rotor Dynamic Design of High-Pressure Compressors Based on Test Rig Data
Norbert G. Wagner
GT 1999; V004T03A013doi:https://doi.org/10.1115/99-GT-150
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Topics: Compressors , Design , High pressure (Physics) , Rotors , Brakes , Dynamic analysis , Machinery , Magnetic bearings , Pressure , Simulation
Analysis of Actively Controlled Coulomb Damping for Rotating Machinery
John M. Vance, Luis A. San Andrés
GT 1999; V004T03A014doi:https://doi.org/10.1115/99-GT-175
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Topics: Coulombs , Damping , Machinery , Dampers , Bearings , Friction , Rotors , Aircraft engines , Disks , Dry friction
Experimental Investigation of Adaptive Control Applied to HSFD Supported Rotors
A. El-Shafei, M. El-Hakim
GT 1999; V004T03A015doi:https://doi.org/10.1115/99-GT-176
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Topics: Adaptive control , Rotors , Control equipment , Dampers , Computer control , Design , Engineering simulation , Shorelines , Simulation
Comparison of the Dynamic Characteristics of Smooth Annular Seals and Damping Seals
J. Mark Darden, Eric M. Earhart, George T. Flowers
GT 1999; V004T03A016doi:https://doi.org/10.1115/99-GT-177
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Topics: Damping , Fluids , Stability , Machinery , Pressure , Rocket engines , Space flight , Stators , Testing , Turbomachinery
Self-Sensing in Fault Tolerant Magnetic Bearings
Dominick Montie, Eric Maslen
GT 1999; V004T03A017doi:https://doi.org/10.1115/99-GT-178
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Topics: Magnetic bearings , Actuators , Accuracy and precision , Failure mechanisms , Fault tolerance , Fault tolerant computing , Noise (Sound) , Parameter estimation , Sensors
Negative Stiffness Coefficients for Magnetic Actuators Using Laplace’s Equation
Lyndon S. Stephens, Mark A. Casemore
GT 1999; V004T03A018doi:https://doi.org/10.1115/99-GT-179
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Topics: Actuators , Laplace equations , Stiffness , Boundary-value problems , Magnetic bearings , Aircraft engines , Fourier series , Gas turbines , Magnetic fields , Rolling bearings
A 35,000 RPM Test Rig for Magnetic, Hybrid and Back-Up Bearings
Erik E. Swanson, James F. Walton, II, Hooshang Heshmat
GT 1999; V004T03A019doi:https://doi.org/10.1115/99-GT-180
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Topics: Bearings , Magnetic bearings , Damage , Failure , Knudsen number , Machinery , Stress , Turbomachinery
Air Entrainment vs. Lubricant Vaporization in Squeeze Film Dampers: An Experimental Assessment of Their Fundamental Differences
Sergio E. Diaz, Luis A. San Andrés
GT 1999; V004T03A020doi:https://doi.org/10.1115/99-GT-187
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Topics: Air entrainment , Dampers , Lubricants , Cavitation , Whirls , Vapors , Air-breathing engines , Damping , Energy dissipation , Flow (Dynamics)
Rotor Dynamic Response at Blade Loss
B. Agne Karlsson, C. Pontus Bergström, J. Thomas F. Domeij
GT 1999; V004T03A021doi:https://doi.org/10.1115/99-GT-201
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Topics: Blades , Dynamic response , Rotors , Bearings , Rotordynamics , Stiffness , Euler-Bernoulli beam theory , Conceptual design , Cycles , Dampers
On Instability of Overhung Centrifugal Compressors
François Berot, Hervé Dourlens
GT 1999; V004T03A022doi:https://doi.org/10.1115/99-GT-202
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Topics: Compressors , Bearings , Temperature effects , Vibration , Bearing design , Computer simulation , Numerical analysis , Rotation , Shapes , Testing
Imbalance Response and Damping Force Coefficients of a Rotor Supported on End Sealed Integral Squeeze Film Dampers
Oscar C. De Santiago, Luis A. San Andrés
GT 1999; V004T03A023doi:https://doi.org/10.1115/99-GT-203
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Topics: Dampers , Damping , Rotors , Construction , Flow (Dynamics) , Impact testing , Inspection , Lubricants , Manufacturing , Temperature
Active Magnetic Bearing With Large Air Gap for Operation With a 3-Phase Power Converter
Thomas Gempp, Christian Redemann, Reto Schöb
GT 1999; V004T03A024doi:https://doi.org/10.1115/99-GT-204
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Topics: Magnetic bearings , Power converters , Bearings , Currents , Electromagnets , Engineering prototypes , Permanent magnets
Sliding Mode Control of Magnetic Bearings: a Hardware Perspective
Eric Maslen, Dominick Montie
GT 1999; V004T03A025doi:https://doi.org/10.1115/99-GT-205
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Topics: Hardware , Magnetic bearings , Sliding mode control , Control equipment , Rotors , State estimation , Actuators , Chatter , Robustness
Sliding Mode Control of Magnetic Bearings: Comparison of Sensed and Self Sensing Performance
S. Ueno, J. H. Lee, P. E. Allaire, Y. Okada
GT 1999; V004T03A026doi:https://doi.org/10.1115/99-GT-206
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Topics: Magnetic bearings , Sliding mode control , Sensors , Displacement , Algorithms , Boundary layers , Chatter , Control equipment , Eddies (Fluid dynamics) , Eddy currents (Electricity)
Aerodynamic Damping Predictions Using a Linearized Navier-Stokes Analysis
Daniel Hoyniak, William S. Clark
GT 1999; V004T03A027doi:https://doi.org/10.1115/99-GT-207
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Topics: Damping , Geometry , Blades , Cascades (Fluid dynamics) , Flow (Dynamics) , Flutter (Aerodynamics) , Algorithms , Computer simulation , Modeling , Turbines
Application of Perturbation Methodology and Directional Filtering for Early Rotor Crack Detection
Paul Goldman, Agnes Muszynska, Donald E. Bently, Kenwood P. Dayton, Mauro Garcin
GT 1999; V004T03A028doi:https://doi.org/10.1115/99-GT-225
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Topics: Crack detection , Filtration , Rotors , Fracture (Materials) , Generators , Stiffness , Excitation , Degrees of freedom , Electric fields , Engines
Combustor Liner Analysis by a Thermo-Mechanical Integrated Approach
A. Baldi, E. Vitale, U. Piccitto
GT 1999; V004T03A029doi:https://doi.org/10.1115/99-GT-230
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Topics: Combustion chambers , Thermomechanics , Stress , Finite element analysis , Algorithms , Computers , Electricity (Physics) , Interpolation , Simulation results , Temperature
Optimization of Rotor Disk Shape Considering Equalization of Residual Stress Distribution Around Central Hole
M. Sekihara, T. Machida
GT 1999; V004T03A030doi:https://doi.org/10.1115/99-GT-231
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Topics: Disks , Optimization , Rotors , Shapes , Stress concentration , Deformation , Stress , Aluminum
Blade Life — A Comparison by Cumulative Damage Theories
J. S. Rao, A. Pathak, A. Chawla
GT 1999; V004T03A031doi:https://doi.org/10.1115/99-GT-287
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Topics: Blades , Damage , Stress , Excitation , Flow (Dynamics) , Modal analysis , Resonance , Steam , Turbine blades
A Reduced Order Model of Mistuning Using a Subset of Nominal System Modes
M.-T. Yang, J. H. Griffin
GT 1999; V004T03A032doi:https://doi.org/10.1115/99-GT-288
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Topics: Blades , Deformation , Degrees of freedom , Disks , Finite element analysis , Stress
Prediction of Periodic Response of Blades Having 3D Nonlinear Shroud Constraints
J. J. Chen, C. H. Menq
GT 1999; V004T03A033doi:https://doi.org/10.1115/99-GT-289
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Topics: Blades , Algebra , Damping , Design , Excitation , Fast Fourier transforms , Feedback , Resonance , Separation (Technology) , Stick-slip
Numerical Analysis of Rotating Flexible Blade-Disk-Shaft Systems
O. Repetski, I. Rygikov, H. Springer
GT 1999; V004T03A034doi:https://doi.org/10.1115/99-GT-317
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Topics: Blades , Disks , Numerical analysis , Stress , Resonance , Algorithms , Dynamic analysis , Finite element analysis , Machinery , Optimization
Linear Vibrations of Statically Indeterminate Rotors on Angular Misaligned Hydrodynamic Bearings
Demetrio C. Zachariadis
GT 1999; V004T03A035doi:https://doi.org/10.1115/99-GT-333
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Topics: Bearings , Linear vibration , Rotors , Design , Finite element analysis , Stability
Rotordynamic Force Prediction of Whirling Centrifugal Impeller Shroud Passages Using Computational Fluid Dynamic Techniques
J. Jeffrey Moore, Alan B. Palazzolo
GT 1999; V004T03A036doi:https://doi.org/10.1115/99-GT-334
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Topics: Computational fluid dynamics , Impellers , Whirls , Design , Flow (Dynamics) , Rotordynamics , Aerodynamics , Centrifugal pumps , Damping , Finite element analysis
Underplatform Dampers for Turbine Blades: Theoretical Modelling, Analysis and Comparison With Experimental Data
Kenan Y. Sanliturk, David J. Ewins, Anthony B. Stanbridge
GT 1999; V004T03A037doi:https://doi.org/10.1115/99-GT-335
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Topics: Dampers , Modeling analysis , Turbine blades , Vibration , Damping , Blades , Cantilever beams , Disks , Finishes , Friction
Friction Damper Optimisation: Simulation of Rainbow Tests
Kenan Y. Sanliturk, David J. Ewins, Robert Elliott, Jeff S. Green
GT 1999; V004T03A038doi:https://doi.org/10.1115/99-GT-336
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Topics: Dampers , Friction , Optimization , Simulation , Blades , Disks , Weight (Mass) , Manufacturing , Turbomachinery , Vibration
Identification of Mistuning Characteristics of Bladed Disks From Free Response Data — Part II
Marc P. Mignolet, Jason P. Delor, Alejandro Rivas-Guerra
GT 1999; V004T03A039doi:https://doi.org/10.1115/99-GT-382
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Topics: Disks , Blades , Mode shapes , Bridges (Structures) , Design , Dynamic models , Statistical distributions , Turbomachinery
A Time-Linearized Navier-Stokes Analysis of Stall Flutter
William S. Clark, Kenneth C. Hall
GT 1999; V004T03A040doi:https://doi.org/10.1115/99-GT-383
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Topics: Flutter (Aerodynamics) , Unsteady flow , Flow (Dynamics) , Modeling , Aerodynamics , Cascades (Fluid dynamics) , Computational methods , Partial differential equations , Stability , Turbomachinery
Transonic Compressor Influences on Upstream Surface Pressures With Axial Spacing
Peter J. Koch, Douglas P. Probasco, J. Mitch Wolff, William W. Copenhaver, Randall M. Chriss
GT 1999; V004T03A041doi:https://doi.org/10.1115/99-GT-384
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Topics: Blades , Chords (Trusses) , Compression , Compressors , Inlet guide vanes , Pressure , Pressure measurement , Rotors , Shock (Mechanics) , Stators
Shunted Piezoelectric Control of Airfoil Vibrations
Charles J. Cross, Sanford Fleeter
GT 1999; V004T03A042doi:https://doi.org/10.1115/99-GT-385
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Topics: Airfoils , Vibration , Damping , Wakes , Circuits , Compressors , Electric fields , Energy dissipation , Flow (Dynamics) , Gas turbines
NESTEM: A Computational Tool to Perform Probabilistic Structural Analysis of Components Subjected to Uncertain Mechanical and Thermal Loading
Bhogilal M. Patel, William C. Strack, Vinod Nagpal, Shantaram S. Pai, P. L. N. Murthy
GT 1999; V004T03A043doi:https://doi.org/10.1115/99-GT-386
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Topics: Combustion chambers , Convection , Design , Electrical conductivity , Emissivity , Heat transfer , Materials properties , Pressure , Radiation (Physics) , Risk
Contact Stresses in Dovetail Attachments: Finite Element Modeling
G. B. Sinclair, N. G. Comier, J. H. Griffin, G. Meda
GT 1999; V004T03A044doi:https://doi.org/10.1115/99-GT-387
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Topics: Finite element analysis , Modeling , Stress , Friction , Resolution (Optics) , Stress analysis (Engineering)
Experimental Investigation of the Aerodynamic Stability of an Annular Compressor Cascade Performing Tuned Pitching Oscillations in Transonic Flow
H. Hennings, J. Belz
GT 1999; V004T03A045doi:https://doi.org/10.1115/99-GT-407
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Topics: Cascades (Fluid dynamics) , Compressors , Oscillations , Stability , Transonic flow , Blades , Pressure , Damping , Displacement , Excitation systems
Comparison of Theoretical and Experimental Data for an Oscillating Transonic Compressor Cascade
Volker Carstens, Stefan Schmitt
GT 1999; V004T03A046doi:https://doi.org/10.1115/99-GT-408
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Topics: Cascades (Fluid dynamics) , Compressors , Blades , Damping , Oscillations , Pressure , Shock (Mechanics) , Transonic flow , Flow (Dynamics) , Subsonic flow
Experimental Investigations of Stall Flutter in a Transonic Cascade
Karsten Ellenberger, Heinz E. Gallus
GT 1999; V004T03A047doi:https://doi.org/10.1115/99-GT-409
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Topics: Cascades (Fluid dynamics) , Flutter (Aerodynamics) , Blades , Flow (Dynamics) , Mach number , Pressure , Steady state , Compressors , Databases , Design
Assessment of Turbine Engine Structural Integrity Using the Structural Dynamic Response Analysis Code (SDRAC)
Kurt L. Nichol, Mark D. Sensmeier, Thomas F. Tibbals
GT 1999; V004T03A048doi:https://doi.org/10.1115/99-GT-410
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Topics: Gas turbines , Structural dynamics , Finite element model , Graphical user interfaces , Simulation , Engines , Errors , Vibration
Dynamic Stability in a Cracked Turbo Blade-Disk
J. H. Kuang, B. W. Huang
GT 1999; V004T03A049doi:https://doi.org/10.1115/99-GT-411
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Topics: Blades , Disks , Dynamic stability , Turbochargers , Stability , Fracture (Materials) , Equations of motion , Hamilton's principle , Rotation , Stiffness
Forced Vibrations of Frictionally Damped Stator Segments
T. Berruti, L. Goglio, S. Filippi, M. M. Gola
GT 1999; V004T03A050doi:https://doi.org/10.1115/99-GT-412
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Topics: Stators , Vibration , Finite element model , Friction , Turbomachinery
Computation of the Optimal Normal Load of a Friction Damper Under Different Types of Excitation
D. Cha, A. Sinha
GT 1999; V004T03A051doi:https://doi.org/10.1115/99-GT-413
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Topics: Computation , Dampers , Excitation , Friction , Stress , Random excitation , White noise , Steady state , Turbine blades , Vibration
Combined-Simultaneous Gust and Oscillating Compressor Blade Unsteady Aerodynamics
Kuk Kim Frey, Sanford Fleeter
GT 1999; V004T03A052doi:https://doi.org/10.1115/99-GT-414
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Topics: Aerodynamics , Blades , Compressors , Oscillations , Torsion , Airfoils , Axial flow , Rotors , Stability
Instability Pathology of a High Speed Centrifugal Compressor
William C. Oakes, Patrick B. Lawless, Sanford Fleeter
GT 1999; V004T03A053doi:https://doi.org/10.1115/99-GT-415
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Topics: Compressors , Cycles , Surges , Diffusers
Fatigue Failures of Centrifugal Impeller Disks
Willem Jansen, Paul K. Fetfatsidis
GT 1999; V004T03A054doi:https://doi.org/10.1115/99-GT-427
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Topics: Disks , Fatigue failure , Impellers , Failure , Resonance , Diffusers , Air compressors , Excitation , High cycle fatigue , Hoop stress
Life Management System for Hot-Gas-Path Components of Gas Turbines
Yasushi Hayasaka, Nobuhiro Isobe, Shigeo Sakurai, Kazuhiko Kumata
GT 1999; V004T03A055doi:https://doi.org/10.1115/99-GT-428
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Topics: Gas turbines , Reliability , Combined cycle power stations , Damage , Databases , Inspection , Machinery , Maintainability , Materials degradation , Nondestructive evaluation
Probabilistic Analyses of HSCT Combustor Liner Components
Shantaram S. Pai, P. L. N. Murthy
GT 1999; V004T03A056doi:https://doi.org/10.1115/99-GT-447
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Topics: Combustion chambers , Stress , Buckling , Design , Electromagnetic scattering , Free vibrations , Hoop stress , Static stability , Thermal expansion
Wake Vorticity Decay and Blade Response in an Axial Compressor With Varying Axial Gap
A. M. Wo, M. H. Chung, S. J. Chang, S. F. Lee
GT 1999; V004T03A057doi:https://doi.org/10.1115/99-GT-451
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Topics: Blades , Compressors , Vorticity , Wakes , Stators , Rotors , Chords (Trusses) , Design

Controls, Diagnostics and Instrumentation

Dynamic Modeling of a Closed Cycle Gas Turbine CHP Plant With a Nuclear Heat Source
Jan Foeke Kikstra, Adrian H. M. Verkooijen
GT 1999; V004T04A001doi:https://doi.org/10.1115/99-GT-002
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Topics: Closed-cycle gas turbines , Cogeneration plants , Dynamic modeling , Heat , Flow (Dynamics) , Helium , Valves , Water , Compressors , Control systems
Validation of the Booster Bleed Valve Control Logic in the New BR715 Jet Engine
Dieter Peitsch, Roland Fiola, Rene Brodmuehler, Annette Nielsen
GT 1999; V004T04A002doi:https://doi.org/10.1115/99-GT-060
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Topics: Jet engines , Valves , Compressors , Transients (Dynamics) , Engines , Surges , Steady state , Testing , Ducts , Flight
Design and Evaluation of an Auto-Tuning Control System for an Altitude Test Facility
R. H. Luppold, R. Meisner, J. M. Norton
GT 1999; V004T04A003doi:https://doi.org/10.1115/99-GT-061
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Topics: Control systems , Design , Test facilities , Control equipment , Flight , Adaptive control , Engines , Gas turbines , Testing , Aircraft engines
One Step Ahead Adaptive Control for Gas Turbine Power Plants
S. M. Camporeale, L. Dambrosio, B. Fortunato
GT 1999; V004T04A004doi:https://doi.org/10.1115/99-GT-062
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Topics: Adaptive control , Gas turbines , Power stations , Control systems , Electric load , Algorithms , Control algorithms , Design , Errors , Feedback
Hydromechanical Control for a Variable Delivery, Positive Displacement Fuel Pump
Timothy J. Gaudet
GT 1999; V004T04A005doi:https://doi.org/10.1115/99-GT-063
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Topics: Displacement , Fluid mechanics , Fuel pumps , Fuels , Pumps , Engines , Flow (Dynamics) , Pressure , Gas turbines , Heat
A Perspective on Future Directions in Intelligent Health Control of Gasturbines and Auxiliaries
K. Eftekhari Shahroudi
GT 1999; V004T04A006doi:https://doi.org/10.1115/99-GT-064
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Topics: Artificial neural networks , Buses , Control systems , Machinery , Optimization , Simulation
Assessing the Errors in Practical Gas Turbine Modelling
Ceri Evans, David Rees
GT 1999; V004T04A007doi:https://doi.org/10.1115/99-GT-138
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Topics: Errors , Gas turbines , Modeling , Dynamics (Mechanics) , Noise (Sound)
Engine Condition Assessment Technology
Barry Taylor, Ivano Pagotto, Jeff Stewart
GT 1999; V004T04A008doi:https://doi.org/10.1115/99-GT-139
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Topics: Engines , Maintenance , Gas turbines , Condition monitoring , Computers , Inspection , Reliability , Turbines
A New Procedure and Equipment for Exciting and Measuring Gas Turbine Blade Vibrations
Anatoly P. Voloshchenko, Victor A. Rovkov
GT 1999; V004T04A009doi:https://doi.org/10.1115/99-GT-140
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Topics: Blades , Gas turbines , Vibration , Design , Temperature
A Method for the Diagnosis of Gas Turbine Sensor Faults in Presence of Measurement Noise
R. Bettocchi, P. R. Spina
GT 1999; V004T04A010doi:https://doi.org/10.1115/99-GT-303
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Topics: Gas turbines , Noise (Sound) , Sensors , Machinery , Filters , Flaw detection , Time series
A New Method of Data Reduction for Single-Sensor Pressure Probes
R. Dambach, H. P. Hodson
GT 1999; V004T04A011doi:https://doi.org/10.1115/99-GT-304
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Topics: Pressure , Probes , Sensors , Calibration , Flow (Dynamics) , Redundancy (Engineering) , Unsteady flow
Pyrometric Gas and Surface Temperature Measurements
Gustave Fralick, Daniel Ng
GT 1999; V004T04A012doi:https://doi.org/10.1115/99-GT-305
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Topics: Temperature measurement , Probes , Pyrometers , Ceramics , Design , Fibers , Temperature , Wavelength
Surface Micromachined Silicon Carbide Accelerometers for Gas Turbine Applications
Russell G. DeAnna
GT 1999; V004T04A013doi:https://doi.org/10.1115/99-GT-306
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Topics: Accelerometers , Gas turbines , Micromachining , Silicon , Finite element analysis , Sensors , Blades , Temperature , Airbags , Atmospheric pressure
Real-Time Monitoring of Bearing Condition
Barry Taylor
GT 1999; V004T04A014doi:https://doi.org/10.1115/99-GT-307
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Topics: Bearings , Sensors , Failure , Damage , Innovation , Particulate matter , Signal processing , Turbines , Vibration , Wear
Optical Fibre Aerodynamic Probes for Total Pressure and Total Temperature Measurement in Turbomachinery
J. S. Barton, J. M. Kilpatrick, W. N. MacPherson, J. D. C. Jones, K. S. Chana, J. S. Anderson, D. R. Buttsworth, T. V. Jones
GT 1999; V004T04A015doi:https://doi.org/10.1115/99-GT-308
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Topics: Optical fiber , Pressure , Probes , Temperature measurement , Turbomachinery , Temperature , Fiber optic sensors , Aerospace industry , Coatings , Construction
Turbine Inlet Gas Temperature Sensor
W. Michael Glasheen, Charles A. DeMilo, Yudaya R. Sivathanu
GT 1999; V004T04A016doi:https://doi.org/10.1115/99-GT-309
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Topics: Temperature sensors , Turbines , Radiation (Physics) , Sensors , Temperature , Wavelength , Carbon dioxide , Gases , High temperature , Optical fiber
Simultaneous Optical Measurements of Axial and Tangential Steady-State Blade Deflections
Anatole P. Kurkov, Harbans S. Dhadwal
GT 1999; V004T04A017doi:https://doi.org/10.1115/99-GT-310
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Topics: Blades , Deflection , Optical measurement , Steady state , Probes , Aircraft engines , Deformation , Design , Dimensions , Engineering prototypes
Temperature Measurements in a Heavy Duty Gas Turbine Using Radiation Thermometry Technique: Error Evaluation
M. De Lucia, R. De Sabato, P. Nava, S. Cioncolini
GT 1999; V004T04A018doi:https://doi.org/10.1115/99-GT-311
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Topics: Errors , Gas turbines , Radiation (Physics) , Temperature measurement , Temperature distribution , Thermometers
Assessing the Effects of Deposits on Turbine Blading in a Twin Shaft Gas Turbine
A. Stamatis, K. Mathioudakis, K. Papailiou
GT 1999; V004T04A019doi:https://doi.org/10.1115/99-GT-362
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Topics: Gas turbines , Turbines , Testing
Diagnosing the Sources of Overall Performance Deterioration in CCGT Plants
K. Mathioudakis, A. Stamatis, E. Bonataki
GT 1999; V004T04A020doi:https://doi.org/10.1115/99-GT-364
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Topics: Combined cycle gas turbines , Gas turbines , Measurement uncertainty , Power stations , Reliability , Steam
Continuous Monitoring of Binary Gas Mixture Concentration With Application to Turbine Blade Cooling Experiments
Tomas Strilka, Miklos Sajben, Peter Nagy
GT 1999; V004T04A021doi:https://doi.org/10.1115/99-GT-365
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Topics: Cooling , Turbine blades , Carbon dioxide , Temperature , Coolants , Blades , Calibration , Density , Gages , Instrumentation
The Influence of Technical Surface Roughness on the Flow Around a Highly Loaded Compressor Cascade
Robert Leipold, Matthias Boese, Leonhard Fottner
GT 1999; V004T04A022doi:https://doi.org/10.1115/99-GT-366
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Topics: Cascades (Fluid dynamics) , Compressors , Flow (Dynamics) , Surface roughness , Separation (Technology) , Blades , Bubbles , Pressure , Reynolds number , Copper
Improved Operating Efficiency Through the Use of Stabilized Thermocouples
Jeff Jablin, Michael R. Storar, Phillip L. Gray
GT 1999; V004T04A023doi:https://doi.org/10.1115/99-GT-401
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Topics: Thermocouples , Turbines , Decision making , Energy generation , Errors , Exhaust systems , Gas turbines , Maintenance , Sensors , Temperature
A New Technique for Identifying Synchronous Resonances Using Tip-Timing
S. Heath
GT 1999; V004T04A024doi:https://doi.org/10.1115/99-GT-402
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Topics: Resonance , Blades , Vibration , Probes , Engines , Turbomachinery , Vibration measurement , Engineering standards , Rotors , Safety
Active Control of Discrete-Frequency Turbomachinery Noise Using a Rotary-Valve Actuator
Scott D. Sawyer, Sanford Fleeter
GT 1999; V004T04A025doi:https://doi.org/10.1115/99-GT-403
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Topics: Actuators , Noise (Sound) , Turbomachinery , Valves , Airfoils , Stators , Noise control , Rotors , Design , Ducts
Flow Field Measurements in an Annular Gas Turbine Exhaust Diffuser With Struts
Umberto Desideri, Stefano Ubertini
GT 1999; V004T04A026doi:https://doi.org/10.1115/99-GT-418
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Topics: Diffusers , Exhaust systems , Flow (Dynamics) , Gas turbines , Turbulence , Design , Probes , Displacement , Rotation , Stepper motors

Education

A Comparative View of Engineering Training in the US, Germany, and France With Special Focus on Turbomachinery-Relevant Skills
Martin von Hoyningen-Huene, Walter Wedig, Julie Jeanpert, André Edel
GT 1999; V004T05A001doi:https://doi.org/10.1115/99-GT-323
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Topics: Engineering education , Turbomachinery , Engineers , Mechanical engineering
A Spread Sheet as a Tool in Turbomachinery Design
Abraham Engeda
GT 1999; V004T05A002doi:https://doi.org/10.1115/99-GT-324
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Topics: Design , Turbomachinery , Compressors , Computation , Education , Students
An Interactive Method for Teaching Turbine Design
K. W. Ramsden
GT 1999; V004T05A003doi:https://doi.org/10.1115/99-GT-325
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Topics: Design , Teaching , Turbines , Optimization , Computer software , Engines , Gas turbines , Multimedia , Aerodynamics , Concurrent engineering
A Student-Executed Industrial Gas Turbine Design Project
T. F. Miller, J. M. Evanko, C. Camci, B. Glezer, M. Fox
GT 1999; V004T05A004doi:https://doi.org/10.1115/99-GT-326
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Topics: Design , Industrial gases , Students , Turbines , Collaboration , Education , Engineering students , Performance , Solar energy , Undergraduate students
An Interactive Methodology for Axial Compressor Design Teaching
K. W. Ramsden
GT 1999; V004T05A005doi:https://doi.org/10.1115/99-GT-449
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Topics: Compressors , Design , Teaching , Gas turbines , Optimization , Aerodynamics , Computers , Concurrent engineering , Engineering design , Engineering disciplines

IGTI Scholar Award

Aerodynamic Analysis of Multistage Turbomachinery Flows in Support of Aerodynamic Design
John J. Adamczyk
GT 1999; V004T06A001doi:https://doi.org/10.1115/99-GT-080
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Topics: Design , Flow (Dynamics) , Turbomachinery , Axial flow , Computational fluid dynamics , Engineering simulation , Simulation , Unsteady flow , Compressors , Industrial design

General

Development of the WR-21 Gas Turbine Recuperator
Robert C. Sanders, George C. Louie
GT 1999; V004T07A001doi:https://doi.org/10.1115/99-GT-314
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Topics: Gas turbines , Engines , Navy , Design , Testing , Aerospace industry , Electrical discharge machining , Exhaust systems , Failure mechanisms , Reliability
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