Volumes | Turbo Expo: Power for Land, Sea, and Air | American Society of Mechanical Engineers Digital Collection

Topics: Coatings , Overlays (Materials engineering) , Coating processes , Aluminum , Combustion , Corrosion , Diffusion (Physics) , Durability , Energy generation , Oxidation

Improved Pt Aluminide Coatings Using CVD and Novel Platinum Electroplating

Bruce Michael Warnes

GT 1998; V005T12A004doi:https://doi.org/10.1115/98-GT-391

Abstract

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Topics: Chemical vapor deposition , Coatings , Electroplating , Platinum , Oxidation , Aluminum , Boron , Computer control , Diffusion coatings , Gas turbines

Effects of Alloy Composition on the Performance of Diffusion Aluminide Coatings

Zaher Mutasim, Josh Kimmel, William Brentnall

GT 1998; V005T12A005doi:https://doi.org/10.1115/98-GT-401

Abstract

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Topics: Alloys , Coatings , Diffusion (Physics) , Oxidation , Stability , Temperature , Corrosion resistance , Crystals , Gas turbines , Heat flux

Stress Relaxation of MCrAlY Bond Coat Alloys as a Function of Temperature and Strain

A. A. Wereszczak, J. G. Hemrick, T. P. Kirkland, J. A. Haynes, T. J. Fitzgerald, J. E. Junkin

GT 1998; V005T12A006doi:https://doi.org/10.1115/98-GT-403

Abstract

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Topics: Alloys , Relaxation (Physics) , Stress , Temperature , Coatings , Ceramics , Creep , Elastic moduli , Elasticity , Engines

Cyclic Oxidation Behavior of Aluminide, Platinum Modified Aluminide, and MCrAlY Coatings on GTD-111

N. S. Cheruvu, K. S. Chan, G. R. Leverant

GT 1998; V005T12A007doi:https://doi.org/10.1115/98-GT-468

Abstract

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Topics: Coatings , Oxidation , Platinum , Aluminum , Weight (Mass) , Cathode ray oscilloscopes , Combustion , Cycles , Diffusion processes , Electron beams

Dimensional Instability Studies in Machining of Inconel 718 Nickel Based Superalloys as Applied to Aerogas Turbine Components

B. K. Subhas, Ramaraja Bhat, H. K. Balakrishna, K. Ramachandra

GT 1998; V005T12A008doi:https://doi.org/10.1115/98-GT-469

Abstract

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Topics: Machining , Nickel , Superalloys , Turbine components , Alloys , Cutting , Deformation , Engines , Finishes , Jet engines

Coating Life Prediction for Combustion Turbine Blades

Kwai S. Chan, N. Sastry Cheruvu, Gerald R. Leverant

GT 1998; V005T12A009doi:https://doi.org/10.1115/98-GT-478

Abstract

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Topics: Coatings , Combustion , Turbine blades , Cycles , Diffusion (Physics) , Failure , Oxidation , Spallation (Nuclear physics) , Aluminum , Modeling

A Metallographic Technique for High Temperature Creep Damage Assessment in Single Crystal Alloys

Pamela Henderson, Jacek Komenda

GT 1998; V005T12A010doi:https://doi.org/10.1115/98-GT-488

Abstract

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Topics: Alloys , Crystals , Damage assessment , High temperature creep , Creep , Particulate matter , Plates (structures) , Blades , Dimensions , Stress

Long Term Thermal Stability of INCONEL Alloy 783

Sarwan Mannan, John deBarbadillo

GT 1998; V005T12A011doi:https://doi.org/10.1115/98-GT-508

Abstract

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Topics: Alloys , Thermal stability , Aircraft , Furnaces , Gas turbines , Heat , High temperature , Optical microscopy , Oxidation , Precipitation

A Non-Local Theory for the Assessment of Multiaxial High Cycle Fatigue Failure

Björn Sjödin

GT 1998; V005T12A012doi:https://doi.org/10.1115/98-GT-509

Abstract

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Topics: Failure , High cycle fatigue , Stress , Blades , Design , Fatigue , Fatigue limit , Finite element methods , Statistical distributions , Stress concentration

Microstructure and Property Assessment of Conventionally Cast and Directionally Solidified Buckets Refurbished After Long-Term Service

V. P. Swaminathan, N. S. Cheruvu, J. M. Klein, W. M. Robinson

GT 1998; V005T12A013doi:https://doi.org/10.1115/98-GT-510

Abstract

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Topics: Agglomeration (Materials) , Airfoils , Coating processes , Coatings , Creep , Engines , Heat treating (Metalworking) , Hot pressing , Mechanical properties , Oxidation

Influence of Metal Temperature on Base Material and Coating Degradation of GTD-111 Buckets

N. S. Cheruvu, G. R. Leverant

GT 1998; V005T12A014doi:https://doi.org/10.1115/98-GT-511

Abstract

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Topics: Coating processes , Coatings , Metals , Temperature , Particulate matter , Uncertainty , Turbines

Microstructure/Composition Evolution and Ductility Variation in Thermally Aged Aluminized CoCrAlY Coatings

J. Kameda, T. E. Bloomer, Y. Sugita, A. Ito, S. Sakurai

GT 1998; V005T12A015doi:https://doi.org/10.1115/98-GT-526

Abstract

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Topics: Coatings , Ductility , Blades , Brittleness , Fracture (Materials) , Gas turbines , Low cycle fatigue , Mechanical properties , Oxidation , Temperature

Gas Turbine Rotor Disc Repair-Case History

Zdzislaw Mazur, Janusz Kubiak

GT 1998; V005T12A016doi:https://doi.org/10.1115/98-GT-547

Abstract

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Topics: Disks , Gas turbines , Maintenance , Rotors , Damage , Machining , Welding , Bearings , Blades , Compressors

Generation of Five-Axis Cutter Paths for a Ball-End Cutter With Global Interference Checking

Der Min Tsay, Wei Feng Yan

GT 1998; V005T12A017doi:https://doi.org/10.1115/98-GT-549

Abstract

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Topics: Blades , Compressor impellers , Machining , Reliability , Turbomachinery

Manual GTAW of Superalloy Blade Materials Using High Strength Fillers

Wayne Greaves, Hans van Esch

GT 1998; V005T12A018doi:https://doi.org/10.1115/98-GT-550

Abstract

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Topics: Blades , Fillers (Materials) , Gas tungsten arc welding , Superalloys , Alloys , Cracking (Materials) , Ductility , Fracture (Process) , Gas turbines , Heat

Automatic Blade Repair System Based on Reverse Engineering Strategies

Claus Bremer

GT 1998; V005T12A019doi:https://doi.org/10.1115/98-GT-551

Abstract

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Topics: Blades , Maintenance , Reverse engineering , Geometry , Welding , Aircraft engines , Chain , Compressors , Computer-aided design , Cross section (Physics)

Economic Considerations in the Development of New Repairs for Gas Turbines

Paul J. Picton

GT 1998; V005T12A020doi:https://doi.org/10.1115/98-GT-559

Abstract

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Topics: Gas turbines , Maintenance , Customer service , Economic analysis

PM2000 Honeycomb Structures

C. Brown, E. Verghese, D. Sporer, R. Sellors

GT 1998; V005T12A021doi:https://doi.org/10.1115/98-GT-565

Abstract

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Topics: Honeycomb structures , Alloys , Aluminum , Oxidation , Temperature , High temperature , Oxide coatings , Reservoirs , Structures , Superalloys

Oxidation Characteristics of Nickel Based Superalloys in Steam

Vimal H. Desai, Dnyanesh C. Tamboli, N. S. Cheruvu

GT 1998; V005T12A022doi:https://doi.org/10.1115/98-GT-587

Abstract

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Topics: Nickel , Oxidation , Steam , Superalloys , Gas turbines , Alloys , Cooling , High temperature , Reliability , Service life (Equipment)

Diffusion Bonding of CMSX-4 to Udimet 720 Using PVD-Coated Interfaces and HIP

Richard Larker, Johan Ockborn, Bengt Selling

GT 1998; V005T12A023doi:https://doi.org/10.1115/98-GT-589

Abstract

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Topics: Diffusion bonding (Metals) , Coatings , Cooling , Creep , Fatigue , Heating , Nickel , Pressure , Titanium , Airfoils

Ceramics

Oxide/Oxide Ceramic Matrix Composites in Gas Turbine Combustors

Anthony G. Razzell, Ludovic Molliex, Magnus Holmquist, Olivier Sudre

GT 1998; V005T13A001doi:https://doi.org/10.1115/98-GT-030

Abstract

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Topics: Combustion chambers , Composite materials , Gas turbines , Oxide ceramics , Temperature , High temperature , Ceramic composites , Ceramics , Chemical stability , Computational fluid dynamics

Development of a Combustor Liner Composed of Ceramic Matrix Composite (CMC)

Kozi Nishio, Ken-ichiroh Igashira, Koji Take, Takeshi Suemitsu

GT 1998; V005T13A002doi:https://doi.org/10.1115/98-GT-104

Abstract

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Topics: Ceramic matrix composites , Combustion chambers , Generators , Composite materials , Advanced materials , Combustion , Cooling , Damage , Dimensions , Fibers

Testing of a Low Cooled Ceramic Nozzle Vane Under Transient Conditions

M. Dilzer, Ch. Gutmann, A. Schulz, S. Wittig

GT 1998; V005T13A003doi:https://doi.org/10.1115/98-GT-116

Abstract

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Topics: Ceramics , Nozzles , Testing , Transients (Dynamics) , Failure , Probability , Stress , Finite element analysis , Fuels , Optimization

Development of Cooled, Ceramic First Stage Vanes for the FT8 Aeroderivative Gas Turbine

William H. Day, Konstantino Kouris, John E. Holowczak, Michael F. Blair, Steven E. Hale, Tibor G. Bornemisza

GT 1998; V005T13A004doi:https://doi.org/10.1115/98-GT-133

Abstract

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Topics: Airfoils , Bills of materials , Ceramics , Cobalt alloys , Cooling , Design , Flow (Dynamics) , Fracture (Materials) , Fracture (Process) , Gas turbines

Ceramic Stationary Gas Turbine Development Program — Fifth Annual Summary

Jeffrey R. Price, Oscar Jimenez, Les Faulder, Bryan Edwards, Vijay Parthasarathy

GT 1998; V005T13A005doi:https://doi.org/10.1115/98-GT-181

Abstract

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Topics: Ceramics , Gas turbines , Engines , Industrial ceramics , Combined heat and power , Testing , Turbines , Nondestructive evaluation , Solar energy , Blades

Performance Benefit Assessment of Ceramic Components in an MS9001FA Gas Turbine

Clayton M. Grondahl, Toshiaki Tsuchiya

GT 1998; V005T13A006doi:https://doi.org/10.1115/98-GT-186

Abstract

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Topics: Gas turbines , Industrial ceramics , Ceramics , Air flow , Combined cycle power stations , Combustion , Compressors , Cooling , Design , Emissions

Characterization of Fatigue Mechanisms of Thermal Barrier Coatings by a Novel Laser-Based Test

Uwe Rettig, Ulrich Bast, Dinorah Steiner, Matthias Oechsner

GT 1998; V005T13A007doi:https://doi.org/10.1115/98-GT-336

Abstract

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Topics: Fatigue , Lasers , Thermal barrier coatings , Fracture (Materials) , Stress , High temperature , Damage , Gas turbines , Adhesion , Annealing

A Unique Small Gas Turbine Test Facility for Low-Cost Investigations of Ceramic Rotor Materials and Thermal Barrier Coatings

Björn Schenk, Torsten Eggert, Helmut Pucher

GT 1998; V005T13A008doi:https://doi.org/10.1115/98-GT-348

Abstract

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Topics: Ceramics , Gas turbines , Rotors , Test facilities , Thermal barrier coatings , Turbines , Combustion chambers , Inflow , Temperature , Temperature gradient

High-Temperature Properties of SiC-Si₃N₄ Particle Composites

Gerhard Woetting, Bernhard Caspers, Ernst Gugel, Ralf Westerheide

GT 1998; V005T13A009doi:https://doi.org/10.1115/98-GT-465

Abstract

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Topics: Composite materials , High temperature , Particulate matter , Sintering , Creep , Fracture toughness , Hot pressing , Oxidation

Elevated-Temperature, ‘Ultra’-Fast Fracture Strength of Advanced Ceramics: An Approach to Elevated-Temperature “Inert” Strength

Sung R. Choi, John P. Gyekenyesi

GT 1998; V005T13A010doi:https://doi.org/10.1115/98-GT-479

Abstract

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Topics: Ceramics , Fracture toughness , Temperature , Fracture (Materials) , Silicon , Testing equipment , Composite materials , Failure , Fatigue , Silicon nitride ceramics

High Temperature Oxidation and Corrosion of Silicon-Based Nonoxide Ceramics

Hagen Klemm, Mathias Herrmann, Christian Schubert

GT 1998; V005T13A011doi:https://doi.org/10.1115/98-GT-480

Abstract

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Topics: Ceramics , Corrosion , High temperature , Oxidation , Silicon , Damage , Composite materials , Diffusion (Physics) , Oxygen , Silicon carbide ceramics

Multiaxial Creep Life Prediction of Ceramic Structures Using Continuum Damage Mechanics and the Finite Element Method

Osama M. Jadaan, Lynn M. Powers, John P. Gyekenyesi

GT 1998; V005T13A012doi:https://doi.org/10.1115/98-GT-489

Abstract

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Topics: Ceramics , Creep , Damage mechanics , Finite element methods , Damage , Rupture , Stress , Finite element analysis , Temperature , Cavitation

Strength Distribution Changes in a Silicon Nitride as a Function of Stressing Rate and Temperature

Andrew A. Wereszczak, Kristin Breder, Mark J. Andrews, Timothy P. Kirkland, Mattison K. Ferber

GT 1998; V005T13A013doi:https://doi.org/10.1115/98-GT-527

Abstract

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Topics: Silicon nitride ceramics , Temperature , Failure , Fracture (Materials) , Bending (Stress) , Damage , Machining , Probability , Valves , Ceramics

Ceramic Stationary Gas Turbine Development Program — Design and Test of a First Stage Ceramic Nozzle

Leslie Faulder, John McClain, Bryan Edwards, Vijay Parthasarathy

GT 1998; V005T13A014doi:https://doi.org/10.1115/98-GT-528

Abstract

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Topics: Ceramics , Design , Gas turbines , Nozzles , Engines , Manufacturing , Stress , Turbines , Combined heat and power , Damage

Ceramic Stationary Gas Turbine Development Program — Design and Test of a Ceramic Turbine Blade

Oscar Jimenez, John McClain, Bryan Edwards, Vijay Parthasarathy, Hamid Bagheri, Gary Bolander

GT 1998; V005T13A015doi:https://doi.org/10.1115/98-GT-529

Abstract

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Topics: Ceramics , Design , Gas turbines , Turbine blades , Engines , Testing , Blades , Industrial ceramics , Solar energy , Stress

Development of ASTM Standards in Support of Advanced Ceramics — Continuing Efforts

Charles R. Brinkman

GT 1998; V005T13A016doi:https://doi.org/10.1115/98-GT-530

Abstract

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Topics: ASTM standards , Ceramics , ASTM International , Composite materials , Design , Engineering standards , Fractography , Mechanical properties , Mechanical testing , Microscopy

ASTM Single Fiber Room Temperature Test Standard Development

Janet B. Hurst, William S. Hong, Mary L. Gambone, John R. Porter

GT 1998; V005T13A017doi:https://doi.org/10.1115/98-GT-567

Abstract

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Topics: ASTM International , Fibers , Temperature , Testing , Governments , Test facilities , Ceramic fibers , Composite materials , Tensile strength , Workshops (Work spaces)

Life Prediction and Reliability Analysis of Ceramic Structures Under Combined Static and Cyclic Fatigue

Sharif Rahman, Noel N. Nemeth, John P. Gyekenyesi

GT 1998; V005T13A018doi:https://doi.org/10.1115/98-GT-569

Abstract

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Topics: Ceramics , Event history analysis , Fatigue , Fracture (Materials) , Parameter estimation , Algorithms , Cycles , Damage , Design , Regression models

Reliability Evaluation of Structural Ceramics Under Multiaxial Stress State

Takashi Ono, Masaki Kaji, Michiaki Nishimura

GT 1998; V005T13A019doi:https://doi.org/10.1115/98-GT-595

Abstract

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Topics: Ceramics , Reliability , Stress , Fracture (Materials) , Fracture (Process) , Fatigue , Probability , Fatigue testing , Finite element methods , Hoop stress

Structures and Dynamics

A Quasi 2D Method for the Rotordynamic Analysis of Centered Labyrinth Liquid Seals

Mihai Arghir, Jean Frene

GT 1998; V005T14A001doi:https://doi.org/10.1115/98-GT-005

Abstract

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Topics: Displacement , Rotors , Stators

Imbalance Response of a Rotor Supported on Open-Ends Integral Squeeze Film Dampers

Oscar de Santiago, Luis San Andrés, Juan Oliveras

GT 1998; V005T14A002doi:https://doi.org/10.1115/98-GT-006

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Topics: Dampers , Rotors , Damping , Stiffness , Bearings , Electrical discharge machining , Excitation , Finite element model , Impact testing , Jet engines

Experimental Rotordynamic Coefficient Results for: (a) A Labyrinth Seal With and Without Shunt Injection and (b) A Honeycomb Seal

Elias A. Soto A., Dara W. Childs

GT 1998; V005T14A003doi:https://doi.org/10.1115/98-GT-008

Abstract

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Topics: Honeycomb structures , Rotation , Pressure , Compressors , Damping , Leakage , Rotors , Diffusers , Flow control , Fluid density

A Bulk-Flow Analysis of Multiple-Pocket Gas Damper Seals

Jiming Li, Luis San Andrés, John Vance

GT 1998; V005T14A004doi:https://doi.org/10.1115/98-GT-013

Abstract

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Topics: Dampers , Flow (Dynamics) , Rotors , Cavities , Damping , Turbulence , Dimensions , Friction , Momentum , Pressure drop

Qualitative Characterization of Anti-Swirl Gas Dampers

Nicole L. Zirkelback

GT 1998; V005T14A005doi:https://doi.org/10.1115/98-GT-014

Abstract

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Topics: Dampers , Stiffness , Damping , Rotors , Whirls , Annulus , Demolition , High temperature , Nozzles , Rotation

Experimental Rotordynamic Characterization of Annular Seals: Facility and Methodology

J. Mark Darden, Eric M. Earhart, George T. Flowers

GT 1998; V005T14A006doi:https://doi.org/10.1115/98-GT-017

Abstract

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Topics: Damping , Flow (Dynamics) , Horsepower , Machinery , Reynolds number , Space flight , Stability , Steam turbines , Stiffness , Testing

A Nonlinear Numerical Simulator for Three-Dimensional Flows Through Vibrating Blade Rows

H. Andrew Chuang, Joseph M. Verdon

GT 1998; V005T14A007doi:https://doi.org/10.1115/98-GT-018

Abstract

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Topics: Blades , Flow (Dynamics) , Rotors , Turbochargers , Transonic flow , Cascades (Fluid dynamics) , Ducts , Excitation , Flutter (Aerodynamics) , NASA

Representing Flexible Supports by Polynomial Transfer Functions

José A. Vázquez, Lloyd E. Barrett

GT 1998; V005T14A008doi:https://doi.org/10.1115/98-GT-027

Abstract

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Topics: Polynomials , Transfer functions , Rotors , Bearings , Degrees of freedom , Stability , Dynamics (Mechanics) , Computers , Damping , Dynamic stability

Application of Time-Shifted Boundary Conditions to a 3D Euler/Navier-Stokes Aeroelastic Code

R. Srivastava, Milind A. Bakhle, Theo G. Keith, Jr., G. L. Stefko

GT 1998; V005T14A009doi:https://doi.org/10.1115/98-GT-042

Abstract

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Topics: Boundary-value problems , Blades , Computers , Flat plates , Inviscid flow

Computation of Flutter of Turbomachinery Cascades Using a Parallel Unsteady Navier-Stokes Code

Shanhong Ji, Feng Liu

GT 1998; V005T14A010doi:https://doi.org/10.1115/98-GT-043

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Topics: Computation , Flutter (Aerodynamics) , Turbomachinery , Boundary-value problems , Blades , Cascades (Fluid dynamics) , Compressors , Turbines , Unsteady flow , Flow (Dynamics)

Comparison Between Calculated and Measured Free-Free Modes for a Flexible Rotor

José A. Vázquez, Lloyd E. Barrett

GT 1998; V005T14A011doi:https://doi.org/10.1115/98-GT-051

Abstract

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Topics: Rotors , Bearings , Mode shapes , Stability , Damping , Eigenvalues , Machinery , Stiffness , Testing

A Cyclic Symmetry Analysis for Turbomachine Blade Flutter

Hsiao-Wei D. Chiang, Meng-Hsuan Chung

GT 1998; V005T14A012doi:https://doi.org/10.1115/98-GT-052

Abstract

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Topics: Blades , Flutter (Aerodynamics) , Turbomachinery , Aerodynamics , Damping , Design , Failure , Finite element model , Fluid-dynamic forces , Mode shapes

Mode Localization of a Cracked Blade-Disks

J. H. Kuang, B. W. Huang

GT 1998; V005T14A013doi:https://doi.org/10.1115/98-GT-105

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Topics: Blades , Disks , Fracture (Materials) , Equations of motion , Hamilton's principle

Isothermal Fatigue Behavior and Damage Modeling of a High Temperature Woven PMC

Andrew L. Gyekenyesi

GT 1998; V005T14A014doi:https://doi.org/10.1115/98-GT-106

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Topics: Damage , Fatigue , High temperature , Modeling , Temperature , Stiffness , Compressive strength , Cycles , Failure , Stress

Reduction of the Dynamic Load Capacity in a Squeeze Film Damper Operating With a Bubbly Lubricant

Sergio E. Diaz, Luis A. San Andrés

GT 1998; V005T14A015doi:https://doi.org/10.1115/98-GT-109

Abstract

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Topics: Dampers , Lubricants , Stress , Pressure , Damping , Whirls , Bearings , Hydrostatics , Modeling , Porosity

Minimizing Vibratory Strain Measurement Error

Mark D. Sensmeier, Kurt L. Nichol

GT 1998; V005T14A016doi:https://doi.org/10.1115/98-GT-257

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Topics: Errors , Strain measurement , Gages , Strain gages , Boundary-value problems , Flat plates , Instrumentation , Modal analysis , Optimization algorithms , Vibration

Creep Analysis of High Temperature Components Under Multi-Axial Loading

Abbas A. Moftakhar, Grzegorz Glinka

GT 1998; V005T14A017doi:https://doi.org/10.1115/98-GT-263

Abstract

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Topics: Creep , High temperature , Stress , Finite element analysis , Finite element methods , Elastic analysis , Density , Fatigue analysis

Vibration Measurement Techniques on an Industrial Gas Turbine Rotor Train

Stefan S. Florjancic, Wes Franklin, Noel Lively

GT 1998; V005T14A018doi:https://doi.org/10.1115/98-GT-297

Abstract

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Topics: Industrial gases , Rotors , Trains , Turbines , Vibration measurement , Anisotropy , Measurement uncertainty , Mode shapes , Vibration

Identification of the Intermittent Synchronous Instability in a High Performance Steam Turbine Rotor Due to Deteriorated Labyrinth Seals

Inam U. Haq, Chittineni V. Kumar, Rayed M. Al-Zaid

GT 1998; V005T14A019doi:https://doi.org/10.1115/98-GT-305

Abstract

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Topics: Rotors , Steam turbines , Vibration , High pressure (Physics) , Steam , Turbines , Compressors , Gages , Petrochemicals , Pressure

Rotor Power Losses in Planar Radial Magnetic Bearings — Effects of Number of Stator Poles, Air Gap Thickness, and Magnetic Flux Density

P. E. Allaire, M. E. F. Kasarda, L. K. Fujita

GT 1998; V005T14A020doi:https://doi.org/10.1115/98-GT-316

Abstract

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Topics: Magnetic bearings , Magnetic induction , Poles (Building) , Rotors , Stators , Eddies (Fluid dynamics) , Bearings , Eddy currents (Electricity) , Clearances (Engineering) , Drag (Fluid dynamics)

Experimentally Determined Rotor Power Losses in Homopolar and Heteropolar Magnetic Bearings

M. E. F. Kasarda, P. E. Allaire, P. M. Norris, C. Mastrangelo, E. H. Maslen

GT 1998; V005T14A021doi:https://doi.org/10.1115/98-GT-317

Abstract

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Topics: Magnetic bearings , Rotors , Bearings , Design , Aerospace industry , Clearances (Engineering) , Density , Eddies (Fluid dynamics) , Energy storage , Flywheels

Influence of an Aluminide Coating on the TMF Life of a Single Crystal Nickel-Base Superalloy

Ernst E. Affeldt

GT 1998; V005T14A022doi:https://doi.org/10.1115/98-GT-318

Abstract

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Topics: Coating processes , Coatings , Crystals , Nickel , Superalloys , Cycles , Stress , Brittleness , Compression , Cracking (Materials)

Mechanical Property Scatter in CFCCs

Marc Steen, Constantina Filiou

GT 1998; V005T14A023doi:https://doi.org/10.1115/98-GT-319

Abstract

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Topics: Electromagnetic scattering , Mechanical properties , Stress , Residual stresses , Fibers , Ceramic matrix composites , Ceramics , Cracking (Materials) , Cycles , Elastic moduli

Thermo-Mechanical Characterizations of Coatings for HP Turbines

A. Boudot, F. Crabos, D. Fournier, D. Monceau

GT 1998; V005T14A024doi:https://doi.org/10.1115/98-GT-324

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Topics: Coatings , Thermomechanics , Turbines , Crystals , Phase transition temperature , Plasmas (Ionized gases) , Alloys , Brittleness , Diffusion coatings , Ductile-brittle transition

Variations in Upstream Vane Loading With Changes in Back Pressure in a Transonic Compressor

Douglas P. Probasco, J. Mitch Wolff, William W. Copenhaver, Randall M. Chriss

GT 1998; V005T14A025doi:https://doi.org/10.1115/98-GT-344

Abstract

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Topics: Compressors , Pressure , Inlet guide vanes , Shock (Mechanics) , Blades , Mach number , Rotors , Chords (Trusses) , Dynamic testing (Materials) , Flow (Dynamics)

A Mixed Shell Element for Cambered Helicoidal Blades and Dynamic Stresses due to Aerodynamic Excitation

J. S. Rao, C. V. Ramakrishnan, K. Gupta, K. K. Rao

GT 1998; V005T14A026doi:https://doi.org/10.1115/98-GT-356

Abstract

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Topics: Blades , Excitation , Shells , Stress , Pressure , Airfoils , Displacement , Rotating blades , Suction , Vibration analysis

On the Performance of Hybrid Foil-Magnetic Bearings

Hooshang Heshmat, H. Ming Chen, James F. Walton, II

GT 1998; V005T14A027doi:https://doi.org/10.1115/98-GT-376

Abstract

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Topics: Bearings , Foil bearings , Magnetic bearings , Journal bearings , Design , Load bearing capacity , Compliance , Control algorithms , Control systems , Elasticity

Stability Analysis and Testing of a Train of Centrifugal Compressors for High Pressure Gas Injection

Edmund A. Memmott

GT 1998; V005T14A028doi:https://doi.org/10.1115/98-GT-378

Abstract

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Topics: Compressors , High pressure (Physics) , Stability , Testing , Trains , Pressure , Bearings , Dampers , Dynamic stability , Gas turbines

Statistics of Response of a Mistuned Bladed Disk Assembly Subjected to White Noise and Narrow Band Excitation

D. Cha, A. Sinha

GT 1998; V005T14A029doi:https://doi.org/10.1115/98-GT-379

Abstract

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Topics: Disks , Excitation , Manufacturing , Statistics , White noise , Random excitation , Analytical methods , Blades , Computer simulation , Electromagnetic spectrum

The Creep Damage Behavior of the Plasma-Sprayed Thermal Barrier Coating System NiCr22Co12Mo9-NiCoCrAlY-ZrO₂/7%Y₂O₃

Uli T. Schmidt, Otmar Vöhringer, Detlef Löhe

GT 1998; V005T14A030doi:https://doi.org/10.1115/98-GT-387

Abstract

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Topics: Creep , Damage , Plasmas (Ionized gases) , Thermal barrier coatings , Fracture (Materials) , Spallation (Nuclear physics) , Failure , Probability , Ceramics , Deformation

Short Bearing Model for the Evaluation of Journal’s Dynamic Angular Misalignment Effects on Rotor Vibrations

Demetrio C. Zachariadis

GT 1998; V005T14A031doi:https://doi.org/10.1115/98-GT-397

Abstract

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Topics: Bearings , Rotor vibration , Rotors , Design , Plain bearings , Simulation results

Adaptive Vibration Control of Industrial Turbomachinery

R. Winston Hope, Lynn P. Tessier, Carl Knospe, Toshikazu Miyaji

GT 1998; V005T14A032doi:https://doi.org/10.1115/98-GT-405

Abstract

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Topics: Turbomachinery , Vibration control , Bearings , Compressors , Displacement , Hydrogen , Machinery , Magnetic bearings , Vibration

A High Bandwidth, Low Loss Magnetic Suspension System for Turbomachinery

Anthony S. Kondoleon, William P. Kelleher

GT 1998; V005T14A033doi:https://doi.org/10.1115/98-GT-406

Abstract

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Topics: Magnetic levitation , Turbomachinery , Actuators , Control systems , Magnetic bearings , Bearings , Clearances (Engineering) , Design , Noise (Sound) , Rotors

Sliding Mode Output Feedback Control of a Flexible Rotor via Magnetic Bearings

A. S. Lewis, A. Sinha, K. W. Wang

GT 1998; V005T14A034doi:https://doi.org/10.1115/98-GT-407

Abstract

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Topics: Feedback , Magnetic bearings , Rotors , Algorithms , Boundary layers , Computer simulation , Control equipment , Differential equations , Partial differential equations , Sensors

Influence of the Interface on the Energy Absorption Mechanisms of CMCs

Iñigo Puente, Reyes Elizalde, José M. Sánchez, José M. Martínez-Esnaola, Antonio Martín-Meizoso, Manuel Fuentes

GT 1998; V005T14A035doi:https://doi.org/10.1115/98-GT-408

Abstract

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Topics: Absorption , Ceramic matrix composites , Fracture (Materials) , Composite materials , Density , Silicon carbide ceramics , Stress , Temperature

Testing, Analysis, and CFD Modeling of a Profiled Leading Edge Groove Tilting Pad Journal Bearing

Stephen L. Edney, Gregory B. Heitland, Scan M. DeCamillo

GT 1998; V005T14A036doi:https://doi.org/10.1115/98-GT-409

Abstract

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Topics: Computational fluid dynamics , Journal bearings , Modeling , Testing , Bearings , Rotors , Stress , Flow (Dynamics) , Geometry , Machining

Vibrational Response Analysis of Mistuned Bladed Disk System of Grouped Blades

Y. Kaneko, K. Mori, H. Ohyama, E. Watanabe

GT 1998; V005T14A037doi:https://doi.org/10.1115/98-GT-410

Abstract

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Topics: Blades , Disks , Modal analysis , Reliability

Analysis of an Accelerating Rotor-Bearing System With Flexible Damped Supports

Euro L. Casanova, Luis U. Medina

GT 1998; V005T14A038doi:https://doi.org/10.1115/98-GT-411

Abstract

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Topics: Bearings , Rotors , Dynamics (Mechanics) , Equations of motion , Steady state

A Fast Method to Obtain the Nonlinear Response of Multi-Mode Rotors Supported on Squeeze Film Dampers Using Planar Modes: Part I — Theory

R. Y. Yakoub, A. El-Shafei

GT 1998; V005T14A039doi:https://doi.org/10.1115/98-GT-412

Abstract

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Topics: Dampers , Rotors , Polynomials , Algebra , Differential equations , Eigenvalues , Aircraft , Computers , Design , Gas turbines

A Fast Method to Obtain the Nonlinear Response of Multi-Mode Rotors Supported on Squeeze Film Dampers Using Planar Modes: Part II — Parametric Studies

R. Y. Yakoub, A. El-Shafei

GT 1998; V005T14A040doi:https://doi.org/10.1115/98-GT-413

Abstract

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Topics: Dampers , Rotors , Algorithms , Aircraft , Computers , Gas turbines , Modal analysis , Polynomials

Reduced Order Modeling and Vibration Analysis of Mistuned Bladed Disk Assemblies With Shrouds

Ronnie Bladh, Matthew P. Castanier, Christophe Pierre

GT 1998; V005T14A041doi:https://doi.org/10.1115/98-GT-484

Abstract

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Topics: Disks , Modeling , Vibration analysis , Blades , Finite element model , Manufacturing , Rotors , Cantilevers , Degrees of freedom , Engineering simulation

Prediction of Resonant Response of Shrouded Blades With 3D Shroud Constraint

B. D. Yang, J. J. Chen, C. H. Menq

GT 1998; V005T14A042doi:https://doi.org/10.1115/98-GT-485

Abstract

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Topics: Blades , Resonance , Damping , Stiffness , Friction , Stress , Kinematics , Separation (Technology) , Stick-slip

Viscous and Inviscid Linear/Nonlinear Calculations Versus Quasi 3D Experimental Cascade Data for a New Aeroelastic Turbine Standard Configuration

T. H. Fransson, M. Jöcker, A. Bölcs, P. Ott

GT 1998; V005T14A043doi:https://doi.org/10.1115/98-GT-490

Abstract

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Topics: Axial flow , Blades , Bubbles , Cascades (Fluid dynamics) , Chords (Trusses) , Computer simulation , Damping , Design , Engineering standards , Flow (Dynamics)

Twin Web Disk — A Step Beyond Convention

Ronald R. Cairo, Kathleen A. Sargent

GT 1998; V005T14A044doi:https://doi.org/10.1115/98-GT-505

Abstract

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Topics: Disks , Turbines , Design , Rotors , Air Force , Annulus , Composite materials , Engines , Geometry , High pressure (Physics)

Accuracy of the Riccati Transfer Matrix Method in Rotor Dynamic Analysis

M. Behzad, B. Mehri

GT 1998; V005T14A045doi:https://doi.org/10.1115/98-GT-513

Abstract

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Topics: Dynamic analysis , Rotors , Bearings , Poles (Building) , Anisotropy , Computation , Computer software , Damping , Gears , Mode shapes

Active Structural Control for Gas Turbine Engines

Robert J. Morris, Barry K. Benedict, Bradford A. Cowles, William A. Stange, William J. Scheuren

GT 1998; V005T14A046doi:https://doi.org/10.1115/98-GT-514

Abstract

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Topics: Gas turbines , High cycle fatigue , Aircraft , Failure , Air Force , Airfoils , Defense industry , Engines , Plumbing , Pumps

Prediction of the Resonant Response of Frictionally Constrained Blade Systems Using Constrained Mode Shapes

J. J. Chen, C. H. Menq

GT 1998; V005T14A047doi:https://doi.org/10.1115/98-GT-548

Abstract

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Topics: Blades , Mode shapes , Resonance , Friction , Finite element model , Vibration

On the Effect of Single Mode Bending/Torsion Coupling on the Flutter Behavior in a Transonic Fan

Kousuke Isomura

GT 1998; V005T14A048doi:https://doi.org/10.1115/98-GT-570

Abstract

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Topics: Flutter (Aerodynamics) , Torsion , Blades , Oscillations , Shock waves , Vibration , Fans , Mach number , Pressure , Switches

Three Dimensional Unsteady Flow for an Oscillating Turbine Blade and the Influence of Tip Leakage

D. L. Bell, L. He

GT 1998; V005T14A049doi:https://doi.org/10.1115/98-GT-571

Abstract

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Topics: Leakage , Turbine blades , Unsteady flow , Pressure , Blades , Aerodynamics , Boundary-value problems , Damping , Flow (Dynamics) , Flow measurement

The Influence of Tailboards on Unsteady Measurements in a Linear Cascade

P. Ott, M. Norryd, A. Bölcs

GT 1998; V005T14A050doi:https://doi.org/10.1115/98-GT-572

Abstract

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Topics: Cascades (Fluid dynamics) , Blades , Flow (Dynamics) , Shock (Mechanics) , Steady state , Test facilities , Transonic flow , Unsteady flow , Computation , Inviscid flow

Flutter Mechanisms in Low Pressure Turbine Blades

M. Nowinski, J. Panovsky

GT 1998; V005T14A051doi:https://doi.org/10.1115/98-GT-573

Abstract

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Topics: Flutter (Aerodynamics) , Pressure , Turbine blades , Aircraft engines , Blades , Cascades (Fluid dynamics) , Design , Traveling waves , Turbines

A Design Method to Prevent Low Pressure Turbine Blade Flutter

Josef Panovsky, Robert E. Kielb

GT 1998; V005T14A052doi:https://doi.org/10.1115/98-GT-575

Abstract

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Topics: Design methodology , Flutter (Aerodynamics) , Pressure , Turbine blades , Design , Stability , Blades , Mode shapes , Aircraft engines , Cascades (Fluid dynamics)

Applications of an Inviscid Q3D Linearized Flow Solver Towards the High Operating Line Flutter Region of a Transonic Fan

Tomas J. Börjesson, Torsten H. Fransson

GT 1998; V005T14A053doi:https://doi.org/10.1115/98-GT-580

Abstract

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Topics: Flow (Dynamics) , Flutter (Aerodynamics) , Blades , Mode shapes , Steady state , Torsion

Identification of Mistuning Characteristics of Bladed Disks From Free Response Data

Marc P. Mignolet, Alejandro Rivas-Guerra

GT 1998; V005T14A054doi:https://doi.org/10.1115/98-GT-583

Abstract

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Topics: Disks , Blades , Mode shapes , Design , Dynamic models , Statistical distributions , Turbomachinery

Modification and Redesign of GT Components

Rahul D. Basu

GT 1998; V005T14A055doi:https://doi.org/10.1115/98-GT-586

Abstract

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Topics: Approximation , Bearings , Deflection , Design , Displacement , Engines , Failure mechanisms , Rotors , Shells , Springs

Controls, Diagnostics and Instrumentation

Distributed Flight Control and Propulsion Control Implementation Issues and Lessons Learned

William R. Schley

GT 1998; V005T15A001doi:https://doi.org/10.1115/98-GT-003

Abstract

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Topics: Flight , Propulsion , Control systems , Design , Sensors

Distributed Control System for Turbine Engines

Phillip L. Shaffer

GT 1998; V005T15A002doi:https://doi.org/10.1115/98-GT-016

Abstract

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Topics: Control systems , Gas turbines , Actuators , Sensors , Computers , Cables , Control equipment , Engineering prototypes , Engines , Frequency response

Development of a Smart Actuator for Turbine Engine Applications

William Lorenz

GT 1998; V005T15A003doi:https://doi.org/10.1115/98-GT-044

Abstract

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Topics: Actuators , Gas turbines , Engines , Control systems , Design , Control equipment , Electronics , Sensors , Silicon-on-insulator , Computer software

Multi-Objective Optimisation of Systems Architectures for Distributed Aero-Engine Control Systems

H. A. Thompson, P. J. Fleming, A. J. Chipperfield

GT 1998; V005T15A004doi:https://doi.org/10.1115/98-GT-045

Abstract

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Topics: Aircraft engines , Control systems , Pareto optimization , System architecture , Actuators , Aerospace industry , Buses , Computer software , Electronics , Gas turbines

The Use of Case-Based Reasoning Technology to Aid Fault Isolation in a Modern Gas Turbine Engine Design

S. M. Hargrave, P. J. Fleming

GT 1998; V005T15A005doi:https://doi.org/10.1115/98-GT-061

Abstract

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Topics: Design , Gas turbines , Maintenance , Engines , Aircraft , Databases , Engine design , Fault diagnosis

Testing and Modelling Gas Turbines Using Multisine Signals and Frequency-Domain Techniques

Ceri Evans, Antoni Borrell, David Rees

GT 1998; V005T15A006doi:https://doi.org/10.1115/98-GT-098

Abstract

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Topics: Gas turbines , Modeling , Signals , Testing , Engines , Dynamics (Mechanics) , Design , Frequency response , Fuels , Physics

System Identification of Jet Engines

Nanahisa Sugiyama

GT 1998; V005T15A007doi:https://doi.org/10.1115/98-GT-099

Abstract

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Topics: Jet engines , Engines , Filters , Control systems , Flight , Kalman filters , Noise (Sound) , Turbofans

Nonlinear Model Predictive Control of a Laboratory Gas Turbine Installation

B. G. Vroemen, H. A. van Essen, A. A. van Steenhoven, J. J. Kok

GT 1998; V005T15A008doi:https://doi.org/10.1115/98-GT-100

Abstract

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Topics: Gas turbines , Predictive control , Control equipment

The Application of Expert Systems and Neural Networks to Gas Turbine Prognostics and Diagnostics

Hans R. DePold, F. Douglas Gass

GT 1998; V005T15A009doi:https://doi.org/10.1115/98-GT-101

Abstract

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Topics: Artificial neural networks , Expert systems , Gas turbines , Engines , Condition monitoring , Maintenance , Artificial intelligence , Collaboration , Decision making , Filters

Integrated Condition Monitoring System Strategy at CEMIG

Michael M. Hastings, Wander Luiz de Oliveira, Raimundo Jorge Ivo Metzker

GT 1998; V005T15A010doi:https://doi.org/10.1115/98-GT-129

Abstract

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Topics: Condition monitoring , Monitoring systems , Maintenance , Power stations , Vibration monitors , Cavitation , Compressors , Control systems , Databases , Downtime

Fault Detection and Accommodation in Real Time Embedded Full Authority Digital Electronic Engine Controls

Angelo Martucci

GT 1998; V005T15A011doi:https://doi.org/10.1115/98-GT-155

Abstract

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Topics: Engines , Flaw detection , Food and Drug Administration , Frequency-domain analysis , Failure , Computer software , Signals , Control algorithms , Fault tolerance , Hardware

An Open Approach to Condition Monitoring, Diagnosis and Decision Support Systems

K. Eftekhari Shahroudi

GT 1998; V005T15A012doi:https://doi.org/10.1115/98-GT-156

Abstract

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Topics: Condition monitoring , Maintenance , Collaboration , Data acquisition , Emissions , Machinery , Turbines , Vibration

Improvements in L2F Anemometry Technique for Inter-Blade Investigations in High-Speed Turbomachinery

André Vouillarmet, Isabelle Trebinjac

GT 1998; V005T15A013doi:https://doi.org/10.1115/98-GT-157

Abstract

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Topics: Blades , Turbomachinery , Compressors , Lasers , Measurement uncertainty , Resolution (Optics) , Rotating blades , Shades and shadows

Fault Detection and Isolation Based on Dynamic Observers Applied to Gas Turbine Control Sensors

S. Simani, P. R. Spina, S. Beghelli, R. Bettocchi, C. Fantuzzi

GT 1998; V005T15A014doi:https://doi.org/10.1115/98-GT-158

Abstract

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Topics: Flaw detection , Gas turbines , Sensors , Machinery , Fluctuations (Physics) , Industrial gases , Redundancy (Engineering) , Turbines

Combining Bayesian Belief Networks With Gas Path Analysis for Test Cell Diagnostics and Overhaul

Carl A. Palmer

GT 1998; V005T15A015doi:https://doi.org/10.1115/98-GT-168

Abstract

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Topics: Decision making , Design , Engines

A Parallel CFD Tool to Produce Faulty Blade Signatures for Diagnostic Purposes

D. G. Koubogiannis, V. P. Iliadis, K. C. Giannakoglou

GT 1998; V005T15A016doi:https://doi.org/10.1115/98-GT-169

Abstract

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Topics: Blades , Computational fluid dynamics , Databases , Design , Pressure , Signals , Cascades (Fluid dynamics) , Compressors , Fault diagnosis , Gas turbines

FADEC Computer Systems for Safety Critical Application

Friedrich Schwamm

GT 1998; V005T15A017doi:https://doi.org/10.1115/98-GT-170

Abstract

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Topics: Computers , Safety , Failure , Hardware , Computer software , Control systems , Design , Engines

Turbine Model Improvement for a Heavy-Duty Gas Turbine Plant Simulation

G. Crosa, M. Troilo, A. Torelli

GT 1998; V005T15A018doi:https://doi.org/10.1115/98-GT-171

Abstract

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Topics: Gas turbines , Simulation , Turbines , Design , Algebra , Combined cycles , Compressors , Computational methods , Computer simulation , Dynamic models

Dynamic Modeling and Control of Regenerative Gas Turbines

S. M. Camporeale, B. Fortunato, A. Dumas

GT 1998; V005T15A019doi:https://doi.org/10.1115/98-GT-172

Abstract

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Topics: Dynamic modeling , Gas turbines , Control equipment , Turbines , Blades , Cycles , Design , Dynamic models , Flow (Dynamics) , Fuels

Dual-Laser Probe Measurement of Blade-Tip Clearance

Harbans S. Dhadwal, Anatole P. Kurkov

GT 1998; V005T15A020doi:https://doi.org/10.1115/98-GT-183

Abstract

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Topics: Blades , Clearances (Engineering) , Lasers , Probes , Rotors , Fibers , Flow (Dynamics) , Laser beams , Linings (Textiles) , Particle spin

Radiation and Convection Heat Flux Sensor for High Temperature Gas Environment

Nelson Martins, Maria da Graça Carvalho, Naim Afgan, Alexander Ivanovich Leontiev

GT 1998; V005T15A021doi:https://doi.org/10.1115/98-GT-224

Abstract

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Topics: Convection , Heat flux , High temperature , Radiation (Physics) , Sensors , Flow (Dynamics) , Heat , Calibration , Flux (Metallurgy) , Boundary layers

A New Method for Surge Margin Improvement of Booster Compressors in Modern Aeroengines

Dieter Peitsch, Nikolaus Kurz, Roland Fiola

GT 1998; V005T15A022doi:https://doi.org/10.1115/98-GT-234

Abstract

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Topics: Compressors , Surges , Engines , Valves , Transients (Dynamics) , Flow (Dynamics) , Pressure , Damage , Ducts , Flight

Rotating Stall Control in a High-Speed Stage With Inlet Distortion: Part I — Radial Distortion

Z. S. Spakovszky, H. J. Weigl, J. D. Paduano, C. M. van Schalkwyk, K. L. Suder, M. M. Bright

GT 1998; V005T15A023doi:https://doi.org/10.1115/98-GT-264

Abstract

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Topics: Axial flow , Compressors , Control equipment , Dynamics (Mechanics) , Ejectors , Feedback , Flow (Dynamics) , NASA , Rotors , Testing

Rotating Stall Control in a High-Speed Stage With Inlet Distortion: Part II — Circumferential Distortion

Z. S. Spakovszky, C. M. van Schalkwyk, H. J. Weigl, J. D. Paduano, K. L. Suder, M. M. Bright

GT 1998; V005T15A024doi:https://doi.org/10.1115/98-GT-265

Abstract

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Topics: Axial flow , Compressors , Control equipment , Ejectors , Engineering design processes , Feedback , Flow (Dynamics) , NASA , Pressure , Testing

Experimental Development of a Jet Injection Model for Rotating Stall Control

Huu Duc Vo, James D. Paduano

GT 1998; V005T15A025doi:https://doi.org/10.1115/98-GT-308

Abstract

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Topics: Compression , Dynamics (Mechanics) , Feedback , Flow (Dynamics) , Momentum , Poles (Building)

Gas Turbine Parameter Corrections

Allan J. Volponi

GT 1998; V005T15A026doi:https://doi.org/10.1115/98-GT-347

Abstract

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Topics: Gas turbines , Engines , Temperature , Design , Flow (Dynamics) , Pressure

Effects of Variable Inlet Guide Vane Settings on Axial Compressor Blade Vibration in an Industrial Gas Turbine

Michael Blaswich, Derek J. Taylor

GT 1998; V005T15A027doi:https://doi.org/10.1115/98-GT-361

Abstract

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Topics: Blades , Compressors , Industrial gases , Inlet guide vanes , Turbines , Vibration , Strain gages , Gages , Shapes , Telemetry

High Temperature Silicon Integrated Circuits and Passive Components for Commercial and Military Applications

Richard R. Grzybowski, Ben Gingrich

GT 1998; V005T15A028doi:https://doi.org/10.1115/98-GT-362

Abstract

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Topics: Defense industry , High temperature , Integrated circuits , Silicon , Electronics , Temperature , Capacitors , Resistors , Silicon-on-insulator , Aircraft

Local Measurement of Loss Using Heated Thin Film Sensors

Mark R. D. Davies, Francis K. O’Donnell

GT 1998; V005T15A029doi:https://doi.org/10.1115/98-GT-380

Abstract

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Topics: Thin film sensors , Entropy , Shear stress , Calibration , Pressure gradient , Boundary layers , Flow (Dynamics) , Gages

Gas Turbine Distributed Control Systems: Power Supply and Communication Data Bus Design Considerations

Kurt Sobanski, Ken Martin, Fong Shi, Brad Greenway

GT 1998; V005T15A030doi:https://doi.org/10.1115/98-GT-414

Abstract

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Topics: Control systems , Design , Gas turbines , Buses , Engines , Electronics , High temperature , Sensors , Aerospace industry , Electronic components

Fast-Track Redeployment of AVON Quad-Pack Improves Island’s Backup Power System

Björn Blomberg, Christer Liljigren, Ian Jameison

GT 1998; V005T15A031doi:https://doi.org/10.1115/98-GT-455

Abstract

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Topics: Emergency power , Seas , Cables , Combustion , Construction , Control systems , Energy generation , Shorelines , Turbines , Turbogenerators

On-Line and Off-Line Steam Turbine Component Strain States Monitoring for the Diagnostic System

Gerard P. Kosman, Andrzej M. Rusin, Grzegorz M. Nowak

GT 1998; V005T15A032doi:https://doi.org/10.1115/98-GT-456

Abstract

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Topics: Steam turbines , Stress , Modeling , Turbines , Bearings , Computational methods , Cooling , Heat , Heating , Process simulation

Propulsion Aspects of the Thrust Asymmetry Compensation System (TAC) on the Boeing 777 Airplane

Grace Balut Ostrom

GT 1998; V005T15A033doi:https://doi.org/10.1115/98-GT-457

Abstract

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Topics: Aircraft , Propulsion , Thrust , Engines , Flight , Deflection , Flaw detection

Advanced Instrumentation Technology for the Integrated-High-Performance-Turbine-Engine-Technology and High-Cycle-Fatigue Programs

William A. Stange, Kelly R. Navarra

GT 1998; V005T15A034doi:https://doi.org/10.1115/98-GT-458

Abstract

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Topics: Engines , High cycle fatigue , Instrumentation , Turbines , Gas turbines , Pressure , Blades , Deflection , Metals , Microelectromechanical systems

A Government / Industry Collaboration for Turbine Engine Instrumentation Development

Robert C. Anderson, William Atkinson, Tom Bonsett, Joe Osani

GT 1998; V005T15A035doi:https://doi.org/10.1115/98-GT-491

Abstract

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Topics: Collaboration , Gas turbines , Governments , Instrumentation , Engines , Air Force , Propulsion , Sensors , Aerospace industry , Aircraft engines

PSP Measurement of Stator Vane Surface Pressures in a High Speed Fan

Jan Lepicovsky

GT 1998; V005T15A036doi:https://doi.org/10.1115/98-GT-499

Abstract

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Topics: Stators , Pressure , Suction , Turbomachinery , Calibration , Design , Internal flow , Physics

Total and Static Quantity Measurements in Unsteady Flow — Effect of Unsteadiness

Weiliang Lou, Christian Aalburg, Jean Hourmouziadis

GT 1998; V005T15A037doi:https://doi.org/10.1115/98-GT-533

Abstract

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Topics: Dimensional analysis , Errors , Flow (Dynamics) , Potential theory (Physics) , Probes , Sensors , Unsteady flow

Digital Measuring Borescope System

Eugene T. McGarry

GT 1998; V005T15A038doi:https://doi.org/10.1115/98-GT-534

Abstract

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Topics: Endoscopic devices , Maintenance , Nondestructive evaluation , Power stations , Reliability , Turbines

Education

Early Historical Development of the Centrifugal Impeller

Abraham Engeda

GT 1998; V005T16A001doi:https://doi.org/10.1115/98-GT-022

Abstract

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Topics: Impellers , Centrifugal pumps , Compressors , Blades , Centrifugal force , Machinery , Copper , Electric motors , Electrical measurement , Fans

The Advanced Turbogenerator Project — A Total Technology Education Experience for Engineering Undergraduate Students

K. R. Pullen, A. W. Court, C. B. Besant

GT 1998; V005T16A002doi:https://doi.org/10.1115/98-GT-023

Abstract

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Topics: Education , Turbogenerators , Undergraduate students , Design , Gas turbines , Engineering students , Engineers , Students , Computer software , Emissions

Gas Turbine Development in Sweden After 1945: A Historical Review

Kjell T. E. Thoren

GT 1998; V005T16A003doi:https://doi.org/10.1115/98-GT-026

Abstract

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Topics: Gas turbines , Air Force , Automobiles , Engines , Fittings , Industrial gases , Licensing , Military aircraft , Propulsion systems , Trucks

Computerized Educational Program in Turbomachinery

Philippe Léotard, Samuel Roy, Frédéric Gaulard, Torsten H. Fransson

GT 1998; V005T16A004doi:https://doi.org/10.1115/98-GT-415

Abstract

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Topics: Turbomachinery , Multimedia , Education , Students , Engineering teachers , Internet , Simulation , Teaching , Thermal engineering , Thermodynamic cycles

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