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ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition

June 13–16, 1994

The Hague, Netherlands

Conference Sponsors:

ISBN:

978-0-7918-7887-3

In This Volume

Manufacturing Materials and Metallurgy (12)
Ceramics (8)
Structures and Dynamics (48)
Controls, Diagnostics and Instrumentation (22)
Education (5)
General (7)

Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General

Manufacturing Materials and Metallurgy

Laser Guidance for Repairing Gas Turbine Parts

Zev Galel, James L. Hunt, Thomas H. Unger

GT 1994; V005T12A001doi:https://doi.org/10.1115/94-GT-006

Abstract

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Topics: Gas turbines , Lasers , Maintenance , Machining , Cutting , Honeycomb structures , Jet engines , Airfoils , Base metals , Computer numerical control machine tools

Comparison Between EBW and GTAW for TURMO IV C Compressor Blade Repairs

W. Miglietti

GT 1994; V005T12A002doi:https://doi.org/10.1115/94-GT-050

Abstract

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Topics: Blades , Compressors , Exploding wires , Gas tungsten arc welding , Maintenance , Welded joints , Metals , Electron beam welding , Fatigue properties , Fatigue testing

Development of 12CR Steel Disc for Heavy Duty Gas Turbines

K. Hidaka, M. Shiga, S. Nakamura, Y. Fukui

GT 1994; V005T12A003doi:https://doi.org/10.1115/94-GT-199

Abstract

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Topics: Disks , Gas turbines , Steel , Mechanical properties , Creep , Design , Fracture toughness , Generators , Industrial research , Rupture

The Application and Experience of HVOF Coatings in the Repair and Overhaul of Industrial Gas Turbines

C. W. Smith, G. Naisbitt

GT 1994; V005T12A004doi:https://doi.org/10.1115/94-GT-302

Abstract

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Topics: Coatings , Industrial gases , Maintenance , Turbines , Gas turbines , Sprays , Combustion , Combustion systems , Density , Diamonds

FEM Model to Support Electro Chemical Drilling of Turbulated Cooling Holes

M. H. H. van Dijk, B. T. M. Verhappen, J. K. M. Jansen, M. J. Noot

GT 1994; V005T12A005doi:https://doi.org/10.1115/94-GT-305

Abstract

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Topics: Cooling , Drilling , Finite element methods , Finite element model , Airfoils , Drills (Tools) , Fluctuations (Physics) , Shapes

High Speed Milling of Turbine Blades

Herbert Schulz, Stefan Hock

GT 1994; V005T12A006doi:https://doi.org/10.1115/94-GT-375

Abstract

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Topics: Milling , Turbine blades , Cutting , Geometry , Blades , Machine tools , Steam , Surface finishing , Surface quality , Surface roughness

New Machining Method for Nickel Based Thermal Sprays

Joel H. Cohen, James H. Dailey

GT 1994; V005T12A007doi:https://doi.org/10.1115/94-GT-399

Abstract

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Topics: Machining , Nickel , Sprays , Wear , Finishes , Bond strength , Boron , Carbide cutting tools , Cutting , Cutting tools

Arbitrary Surface Flank Milling of Fan, Compressor, and Impeller Blades

C. Y. Wu

GT 1994; V005T12A008doi:https://doi.org/10.1115/94-GT-426

Abstract

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Topics: Blades , Compressors , Impellers , Milling , Aviation , Fans , Gas turbines , Machining

Applications of Laser Systems to Cutting, Drilling and Welding Turbine Engine Parts

Terry L. VanderWert

GT 1994; V005T12A009doi:https://doi.org/10.1115/94-GT-448

Abstract

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Topics: Cutting , Drilling , Gas turbines , Lasers , Welding , Laser cutting , Manufacturing , Design , Tooling , Aircraft

Advances in Abradable Coatings for Gas Turbines

R. Schmid, A. R. Nicoll

GT 1994; V005T12A010doi:https://doi.org/10.1115/94-GT-449

Abstract

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Topics: Coatings , Gas turbines , Coating processes , Blades , Corrosion , Plasmas (Ionized gases) , Wear , Ceramics , Design , Erosion

An Alternative Thermal Spray Process to Plasma Spray in the Aircraft and Stationary Gas Turbine Industry

Menno P. Zwetsloot, Elliott R. Sampson

GT 1994; V005T12A011doi:https://doi.org/10.1115/94-GT-450

Abstract

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Topics: Aircraft , Gas turbines , Plasmas (Ionized gases) , Sprays , Aluminum , Engineers , Metals , Nickel , Particulate matter , Wire

Current and Future Materials in Advanced Gas Turbine Engines

G. A. Kool

GT 1994; V005T12A012doi:https://doi.org/10.1115/94-GT-475

Abstract

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Topics: Gas turbines , Compressors , Density , Fuels , High temperature , Stiffness , Temperature , Thrust , Turbines , Weight (Mass)

Ceramics

Assessment of Damage in Ceramics and Ceramic Matrix Composites Using Ultrasonic Techniques

S. K. Rokhlin, Y. C. Chu, G. Y. Baaklini

GT 1994; V005T13A001doi:https://doi.org/10.1115/94-GT-228

Abstract

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Topics: Ceramic matrix composites , Ceramics , Damage assessment , Damage , Oxidation , Temperature , Anisotropy , Composite materials , Elastic constants , Thermal shock

Development of Ceramic Rotor Blade for Power Generating Gas Turbine

Tetsuo Teramae, Yutaka Furuse, Katsuo Wada, Takashi Machida

GT 1994; V005T13A002doi:https://doi.org/10.1115/94-GT-309

Abstract

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Topics: Blades , Ceramics , Gas turbines , Rotors , Metals , Disks , Electricity (Physics) , Design , High temperature , Particle spin

Ceramic Stationary Gas Turbine Development Program: First Annual Summary

Mark van Roode, William D. Brentnall, Paul F. Norton, Gary L. Boyd

GT 1994; V005T13A003doi:https://doi.org/10.1115/94-GT-313

Abstract

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Topics: Ceramics , Gas turbines , Engines , Blades , Combined heat and power , Combustion chambers , Design , Nozzles , Testing , Economic analysis

Application of Spslife to Preliminary Design Evaluation and Life Assessment of CSGT Components

Arun Saith, Paul F. Norton, Vijay M. Parthasarathy

GT 1994; V005T13A004doi:https://doi.org/10.1115/94-GT-420

Abstract

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Topics: Design , Ceramics , Gas turbines , Combined heat and power , Combustion chambers , Computers , Industrial ceramics , Nozzles , Reliability , Turbine blades

In-Situ NDE Monitoring of Crack Bridging in Ceramic Composites via Crack Opening Displacement

Abhisak Chulya, John P. Gyekenyesi

GT 1994; V005T13A005doi:https://doi.org/10.1115/94-GT-444

Abstract

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Topics: Ceramic composites , Displacement , Fracture (Materials) , Nondestructive evaluation , Ceramic matrix composites , Fibers , Acoustic emissions , Fracture mechanics , Interferometry , Lasers

Process Studies as Applied to Ceramic Gas Turbine Engine Low-Emission Double-Zone Micro-Diffusion Combustion Chamber

A. V. Sudarev, Y. I. Zakharov, E. D. Vlnogradov, L. S. Butovsky, E. A. G. Ranovskaya

GT 1994; V005T13A006doi:https://doi.org/10.1115/94-GT-445

Abstract

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Topics: Ceramics , Combustion chambers , Diffusion (Physics) , Emissions , Gas turbines , Design , Flames , Nitrogen oxides , Temperature , Algorithms

Assessment of Notches in Ceramic Components

A. Brückner-Foit, A. Heger, D. Munz

GT 1994; V005T13A007doi:https://doi.org/10.1115/94-GT-484

Abstract

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Topics: Failure , Industrial ceramics , Probability , Stress , Stress concentration

Comparison of NDE Results and Correlation With Microstructural Characteristics of NiFeAl/W_f

David K. Hsu, Peter K. Liaw, George Y. Baaklini

GT 1994; V005T13A008doi:https://doi.org/10.1115/94-GT-489

Abstract

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Topics: Nondestructive evaluation , Composite materials , Density , Eddies (Fluid dynamics) , Eddy currents (Electricity) , Fibers , Intermetallic compounds , Metal matrix composites , Process monitoring , Quality control

Structures and Dynamics

A Pump Instability Theory Using an Acoustic Feedback Mechanism

James E. Corley

GT 1994; V005T14A001doi:https://doi.org/10.1115/94-GT-030

Abstract

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Topics: Acoustics , Feedback , Pumps , Delays , Vibration , Waves , Dynamic modeling , Pipes , Piping systems , Resonance

The Synchronous Instability of a Compressor Rotor due to Bearing Journal Differential Heating

F. M. de Jongh, P. G. Morton

GT 1994; V005T14A002doi:https://doi.org/10.1115/94-GT-035

Abstract

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Topics: Bearings , Compressors , Heating , Rotors , Temperature , Thermohydrodynamics , Vibration

Magnetic Thrust Bearing Operation and Industrial Pump Application

P. E. Allaire, E. H. Maslen, D. W. Lewis, R. D. Flack

GT 1994; V005T14A003doi:https://doi.org/10.1115/94-GT-038

Abstract

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Topics: Pumps , Thrust bearings , Actuators , Bearings , Magnetic bearings , Circuits , Design , Engines , Feedback , Fluid films

Modelling and Control of HSFDs for Active Control of Rotor-Bearing Systems

A. El-Shafel, J. P. Hathout

GT 1994; V005T14A004doi:https://doi.org/10.1115/94-GT-052

Abstract

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Topics: Bearings , Modeling , Rotors , Dampers , Open loop systems , Rotor vibration , Sealing (Process) , Transients (Dynamics) , Circuits , Computers

Active Vibration Control of Rotating Machinery With a Hybrid Piezo-Hydraulic Actuator System

Punan Tang, Alan B. Palazzolo, Albert F. Kascak, Gerald T. Montague

GT 1994; V005T14A005doi:https://doi.org/10.1115/94-GT-053

Abstract

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Topics: Actuators , Machinery , Vibration control , Simulation , Vibration , Aircraft engines , Copper , Finite element analysis , Gas turbines , Manufacturing

Vibration and Control of a Flexible Rotor in Magnetic Bearings Using Hybrid Method and H^∞ Control Theory

Ting Nung Shiau, Geeng Jen Sheu, Clann Dong Yang

GT 1994; V005T14A006doi:https://doi.org/10.1115/94-GT-057

Abstract

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Topics: Control theory , Magnetic bearings , Rotors , Vibration , Design , Finite element methods , Control equipment , Robustness , Simulation , Vibration control

Vibration Control of a Rotor System Utilizing a Bearing Housing With Controllable Spring Nonlinearity

Baojiang Liu, Litang Yan, Qihan Li, Zigen Zhu

GT 1994; V005T14A007doi:https://doi.org/10.1115/94-GT-060

Abstract

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Topics: Bearings , Rotors , Springs , Vibration control , Vibration , Dampers , Hardening , Locks (Waterways) , Nonlinear vibration

A Neural Network Based Active Rotor Controller With Output Feedback

Rwei-Ping Ma, Alok Sinha

GT 1994; V005T14A008doi:https://doi.org/10.1115/94-GT-064

Abstract

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Topics: Artificial neural networks , Control equipment , Feedback , Rotors , Vibration absorbers , Magnetic bearings , Rotor vibration , Vibration

Lyapunov’s Stability of Non-Linear Misaligned Journal Bearings

Padelis G. Nikoiakopouios, Chris A. Papadopouios

GT 1994; V005T14A009doi:https://doi.org/10.1115/94-GT-072

Abstract

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Topics: Journal bearings , Stability , Bearings , Rotors , Damping , Equations of motion , Finite element analysis , Pressure , Stiffness

A Spinning Finite Beam Element of General Orientation Analyzed With Rayleigh/Timoshenko/Saint-Venant Theory

Thomas J. S. Abrahamsson, Jan Henrik Sällström

GT 1994; V005T14A010doi:https://doi.org/10.1115/94-GT-077

Abstract

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Topics: Spin (Aerodynamics) , Spinning (Textile) , Construction , Deformation , Die cutting , Linear vibration , Polynomials , Shapes , Shearing (Deformation) , Stiffness

Nonlinear Analysis of Rotordynamic Instabilities in High-Speed Turbomachinery

Dennis S. H. Chan

GT 1994; V005T14A011doi:https://doi.org/10.1115/94-GT-078

Abstract

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Topics: Turbomachinery , Stability , Journal bearings , Rotors , Bearings , Equilibrium (Physics) , Nonlinear vibration , Vibration

Experimental Identification of Linearized Oil Film Coefficients of Cylindrical and Tilting Pad Bearings

P. Arumugam, S. Swarnamani, B. S. Prabhu

GT 1994; V005T14A012doi:https://doi.org/10.1115/94-GT-081

Abstract

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Topics: Bearings , Journal bearings , Simulation , Damping , Finite element methods , Frequency response , Inertia (Mechanics) , Machinery , Rotors , Stiffness

Active Control of Dynamic Bearing Loads in Rotating Machinery Using Non-Invasive Measurements

William W. Clark, Joo-Hyung Kim, Roy D. Marangoni

GT 1994; V005T14A013doi:https://doi.org/10.1115/94-GT-092

Abstract

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Topics: Bearings , Machinery , Stress , Deflection , Computer simulation , Control equipment , Control systems , Errors , Feedforward control , Signals

High Stiffness Gas Journal Bearing Under Harmonic Excitation

Krzysztof Czolczynskl

GT 1994; V005T14A014doi:https://doi.org/10.1115/94-GT-093

Abstract

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Topics: Excitation , Journal bearings , Stiffness , Stress , Bearings , Computer simulation , Damping , Degrees of freedom , Dynamic models , Dynamic response

Effects of Frequency on Structural Stiffness and Damping in a Self-Acting Compliant Foil Journal Bearing

C.-P. Roger Ku, Hooshang Heshmat

GT 1994; V005T14A015doi:https://doi.org/10.1115/94-GT-100

Abstract

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Topics: Damping , Journal bearings , Stiffness , Excitation , Mechanical properties , Strips , Test facilities

Experimental Determination of Damping in Rolling Bearing Joints

Robert Zeillinger, Helmut Springer, Hubert Köttritsch

GT 1994; V005T14A016doi:https://doi.org/10.1115/94-GT-102

Abstract

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Topics: Damping , Rolling bearings , Transfer functions , Bearings , Ball bearings , Stiffness

Preferred Propagation Patterns in Surface Cracks Under Cyclic Loading

Dinesh Gera

GT 1994; V005T14A017doi:https://doi.org/10.1115/94-GT-103

Abstract

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Topics: Surface cracks , Fracture (Materials) , Shapes , Computation , Crack propagation , Plates (structures)

A Finite Element Approach to the Analysis of Rotating Bladed-Disk Assemblies Coupled With Flexible Shaft

Wen Zhang, Wenliang Wang, Hao Wang, Jiong Tang

GT 1994; V005T14A018doi:https://doi.org/10.1115/94-GT-107

Abstract

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Topics: Disks , Finite element analysis , Degrees of freedom , Equations of motion , Centrifugal force , Computers , Deformation , Dynamic analysis , Finite element methods , Storage

A Numerical Study of the Fatigue Life of a Gas Turbine Blade in Transient Operations

M. Hohlrieder, H. Irretier

GT 1994; V005T14A019doi:https://doi.org/10.1115/94-GT-108

Abstract

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Topics: Blades , Fatigue life , Gas turbines , Transients (Dynamics) , Aerodynamics , Compressors , Computers , Damping , Drag (Fluid dynamics) , Excitation

An Improved Squeeze Film Damper for Rotor Vibration Control: Theoretical Results

J. Y. Zhao, I. W. Linnett, E. J. Hahn

GT 1994; V005T14A020doi:https://doi.org/10.1115/94-GT-109

Abstract

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Topics: Dampers , Rotor vibration , Damping , Rotors , Stiffness , Bearings , Springs

Modelling and Analysis of the Dynamic Behavior of an Active Journal Bearing

Linxiang Sun, Janusz M. Krodkiewski, Nong Zhang

GT 1994; V005T14A021doi:https://doi.org/10.1115/94-GT-110

Abstract

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Topics: Journal bearings , Modeling , Bearings , Pressure , Rotors , Stability , Computer simulation , Condensation , Deformation , Finite element methods

Identification and Monitoring of Turbo Rotors in Active Magnetic Bearings

Roland Y. Siegwart, Raoul J. P. Herzog, René Larsonneur

GT 1994; V005T14A022doi:https://doi.org/10.1115/94-GT-111

Abstract

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Topics: Magnetic bearings , Rotors , Turbochargers , Control equipment , Computer software , Computers , Bearings , Data acquisition , Hardware , Machinery

Hybrid Ceramic Bearing Development for Gas Turbine Engines

Frederick D. Slaney

GT 1994; V005T14A023doi:https://doi.org/10.1115/94-GT-112

Abstract

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Topics: Bearings , Ceramics , Gas turbines , Testing , Silicon nitride ceramics , Wear , Design , Heat , Bearing steel , Cycles

Cautions for Polar-Plot Balancing Using Measurements Taken Near Fluid-Lubricated Bearings

Donald E. Bently, Charles T. Hatch, Wesley D. Franklin

GT 1994; V005T14A024doi:https://doi.org/10.1115/94-GT-113

Abstract

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Topics: Bearings , Fluids , Rotors , Calibration , Disks , Finite element analysis , Fluid-dynamic forces , Vibration , Weight (Mass)

Parameter Identification With Noncollocation of Force and Measurement Locations Using Nonsynchronous Perturbation and Optimization Techniques

Wesley D. Franklin, Agnes Muszynska, Donald E. Bently

GT 1994; V005T14A025doi:https://doi.org/10.1115/94-GT-127

Abstract

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Topics: Optimization , Rotors , Computer software , Vibration , Computers , Data acquisition systems , Errors , Finite element analysis , Finite element model , Journal bearings

Unbalance Response of Rotors Considering the Distributed Bearing Stiffness and Damping

A. S. Sekhar, B. S. Prabhu

GT 1994; V005T14A026doi:https://doi.org/10.1115/94-GT-128

Abstract

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Topics: Bearings , Damping , Rotors , Stiffness , Journal bearings , Finite element analysis , Modeling , Virtual work principle

Uncoupling of Vibration Modes Applied to Rotor Balancing

Eduardo Preciado Delgado, Jorge Enrique Aguirre Romano

GT 1994; V005T14A027doi:https://doi.org/10.1115/94-GT-129

Abstract

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Topics: Rotor balancing , Vibration , Rotors , Errors , Resonance , Transducers

Forced Harmonic Response of Grouped Blade Systems: Part I — Discrete Theory

L. F. Wagner, J. H. Griffin

GT 1994; V005T14A028doi:https://doi.org/10.1115/94-GT-203

Abstract

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Topics: Blades , Disks , Engines , Excitation , Geometry , Turbomachinery , Vibration

Forced Harmonic Response of Grouped Blade Systems: Part II — Application

L. F. Wagner, J. H. Griffin

GT 1994; V005T14A029doi:https://doi.org/10.1115/94-GT-204

Abstract

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Topics: Blades , Disks , Computer simulation , Density , Economics , Spectra (Spectroscopy) , Turbine blades , Vibration , Vibration analysis

Numerical Investigation of Stall Flutter

John A. Ekaterinaris, Max F. Platzer

GT 1994; V005T14A030doi:https://doi.org/10.1115/94-GT-206

Abstract

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Topics: Flutter (Aerodynamics) , Flow (Dynamics) , Turbulence , Stress , Airfoils , Bubbles , Modeling , Reynolds number , Separation (Technology)

A Gas Turbine Blade Thermal/Structural Program With Linked Flow-Solid Modeling Capability

S. M. Wan, T. C. T. Lam, J. M. Allen, T. H. McCloskey

GT 1994; V005T14A031doi:https://doi.org/10.1115/94-GT-270

Abstract

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Topics: Blades , Flow (Dynamics) , Gas turbines , Modeling , Steady state , Stress , Temperature , Thermal stresses , Boundary layers , Boundary-value problems

Direct Dynamic Testing of Stereolithographic Models

William H. Dornfeld

GT 1994; V005T14A032doi:https://doi.org/10.1115/94-GT-271

Abstract

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Topics: Dynamic testing (Engineering) , Dynamic testing (Materials) , Stereolithography , Testing , Cycles , Geometry , Holography , Mechanical properties , Polymers , Product development

Modal Analysis of Blades With Densely Distributed Small Holes

Jin Zhang, Zhen-Hua Wang, Ben-Hua Dong

GT 1994; V005T14A033doi:https://doi.org/10.1115/94-GT-272

Abstract

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Topics: Blades , Modal analysis , Finite element analysis , Gas turbines , Numerical analysis , Reliability , Rotors , Stiffness , Turbines

The Generalized Untwist Problem of Rotating Blades: A Coupled Aeroelastic Formulation

Gao-Lian Liu

GT 1994; V005T14A034doi:https://doi.org/10.1115/94-GT-273

Abstract

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Topics: Rotating blades , Blades , Turbomachinery , Aeroelasticity , Centrifugal force , Design , Elasticity , Finite element analysis , Flow (Dynamics) , Shapes

Optimization of Rotor-Stator-Strut Potential Flow Interaction Including Rotor Feedback Effects

G. Cerri, P. Boatto, W. F. O’Brien, A. Sorrenti

GT 1994; V005T14A035doi:https://doi.org/10.1115/94-GT-274

Abstract

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Topics: Feedback , Flow (Dynamics) , Optimization , Rotors , Stators , Struts (Engineering) , Blades , Pressure , Cascades (Fluid dynamics) , Momentum

A Reduced Order Model of Unsteady Flows in Turbomachinery

Kenneth C. Hall, Răzvan Florea, Paul J. Lanzkron

GT 1994; V005T14A036doi:https://doi.org/10.1115/94-GT-291

Abstract

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Topics: Turbomachinery , Unsteady flow , Cascades (Fluid dynamics) , Aerodynamic flow , Algorithms , Computational fluid dynamics , Eigenvalues , Fluids , Physics , Stress

A Numerical Method for the Prediction of Bladed Disk Forced Response

Marc Berthillier, Marc Dhainaut, Franck Burgaud, Vincent Garnier

GT 1994; V005T14A037doi:https://doi.org/10.1115/94-GT-293

Abstract

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Topics: Disks , Numerical analysis , Blades , Excitation , Compressors , Computer software , Damping , Finite element analysis , Flow (Dynamics) , High pressure (Physics)

Validation of 3-D Euler Methods for Vibrating Cascade Aerodynamics

Georg A. Gerolymos, Isabelle Vallet

GT 1994; V005T14A038doi:https://doi.org/10.1115/94-GT-294

Abstract

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Topics: Aerodynamics , Cascades (Fluid dynamics) , Flat plates , Subsonic flow , Supersonic flow , Vibration

Multiobjective Optimization of a Flexible Rotor in Magnetic Bearings With Critical Speeds and Control Current Constraints

Ting Nung Shiau, Chun Pao Kuo, Jiunn Rong Hwang

GT 1994; V005T14A039doi:https://doi.org/10.1115/94-GT-297

Abstract

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Topics: Magnetic bearings , Pareto optimization , Rotors , Currents , Design , Disks , Optimization , Computer programming , Polynomials , Sensitivity analysis

Aircraft Crash Caused by Stress Corrosion Cracking

H. J. Kolkman, G. A. Kool, R. J. H. Wanhill

GT 1994; V005T14A040doi:https://doi.org/10.1115/94-GT-298

Abstract

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Topics: Aircraft , Stress corrosion cracking , Levers , Engines , Pins (Engineering) , Accidents , Stress , Chain , Compressors , Design

Nonlinear Behavior of a Magnetic Bearing System

Lawrence N. Virgin, Thomas F. Walsh, Josiah D. Knight

GT 1994; V005T14A041doi:https://doi.org/10.1115/94-GT-341

Abstract

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Topics: Magnetic bearings , Computer simulation , Degrees of freedom , Differential equations , Feedback , Free vibrations , Stability

Direct Use of Unsteady Aerodynamic Pressures in the Flutter Analysis of Mistuned Blades

A. V. Srinivasan, G. G. Tavares

GT 1994; V005T14A042doi:https://doi.org/10.1115/94-GT-347

Abstract

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Topics: Blades , Flutter (Aerodynamics) , Cascades (Fluid dynamics) , Eigenvalues , Engines , Manufacturing , Mode shapes , Stability

A Study on the Dynamic Characteristics of Geared Rotor-Bearing System With Hybrid Method

T. N. Shiau, Y. W. Chou, J. R. Chang, H. D. Nelson

GT 1994; V005T14A043doi:https://doi.org/10.1115/94-GT-355

Abstract

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Topics: Bearings , Rotors , Gears , Damping , Errors , Finite element methods , Steady state , Stiffness , Excitation , Polynomials

Damage Tolerance Analysis of Compressor Blade

Jinxin Mao, Olin Hong, Rongqiao Wang, Mingda Hua

GT 1994; V005T14A044doi:https://doi.org/10.1115/94-GT-379

Abstract

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Topics: Blades , Compressors , Damage , Tolerance analysis , Fracture (Materials) , Finite element analysis , Aircraft , Design , Displacement , Failure

Experimental Validation of Turbine Blade Dynamics Design Methodology

S. Salvano, C. Schips

GT 1994; V005T14A045doi:https://doi.org/10.1115/94-GT-383

Abstract

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Topics: Design methodology , Dynamics (Mechanics) , Turbine blades , Design , Blades , Damping , Dampers , Frequency response , Industrial gases , Military systems

Imbalance Effects in Rotor Systems Under High Angular Accelerations

R. D. Neilson, A. D. S. Barr, N. J. Blandford-Baker

GT 1994; V005T14A046doi:https://doi.org/10.1115/94-GT-398

Abstract

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Topics: Rotors , Blades , Simulation , Disks , Modeling , Transients (Dynamics) , Degrees of freedom , Equations of motion , Steady state , Stiffness

Numerical Simulation for Aeroelasticity in Turbomachines With Vortex Method

Wenquan Wu, F. Sisto

GT 1994; V005T14A047doi:https://doi.org/10.1115/94-GT-410

Abstract

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Topics: Aeroelasticity , Computer simulation , Turbomachinery , Vortices , Blades , Damping , Aerodynamics , Cascades (Fluid dynamics) , Elasticity , Flutter (Aerodynamics)

A Study of the Unsteady Pressure of a Cascade Near Transonic Flow Condition

H. M. Atassi, J. Fang, P. Ferrand

GT 1994; V005T14A048doi:https://doi.org/10.1115/94-GT-476

Abstract

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Topics: Cascades (Fluid dynamics) , Pressure , Transonic flow , Acoustics , Nozzles , Flow (Dynamics) , Blades , Computation , Subsonic flow , Waves

Controls, Diagnostics and Instrumentation

A New Approach to the Challenge of Machinery Prognostics

Robert J. Hansen, David L. Hall, Stewart K. Kurtz

GT 1994; V005T15A001doi:https://doi.org/10.1115/94-GT-003

Abstract

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Topics: Bearings , Computer simulation , Crack propagation , Dynamic models , Errors , Failure , Failure mechanisms , Fatigue cracks , Fracture (Materials) , Fracture (Process)

The Development of Fast Response Aerodynamic Probes for Flow Measurements in Turbomachinery

Roger W. Ainsworth, John L. Allen, J. Julian M. Batt

GT 1994; V005T15A002doi:https://doi.org/10.1115/94-GT-023

Abstract

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Topics: Flow measurement , Probes , Turbomachinery , Semiconductors (Materials) , Design , Flow (Dynamics) , Transients (Dynamics) , Turbines , Lasers , Mach number

On Fast-Response Probes: Part 1 — Technology, Calibration and Application to Turbomachinery

Christoph R. Gossweiler, Peter Kupferschmied, George Gyarmathy

GT 1994; V005T15A003doi:https://doi.org/10.1115/94-GT-026

Abstract

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Topics: Calibration , Probes , Turbomachinery , Pressure , Flow (Dynamics) , Pressure transducers , Turbulence , Compressors , Errors , Fluctuations (Physics)

On Fast-Response Probes: Part 2 — Aerodynamic Probe Design Studies

Hans J. Humm, Christoph R. Gossweiler, George Gyarmathy

GT 1994; V005T15A004doi:https://doi.org/10.1115/94-GT-027

Abstract

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Topics: Design , Probes , Errors , Flow (Dynamics) , Wedges , Yaw , Calibration , Circular cylinders , Turbomachinery , Geometry

A Fibre Optic Probe for Gas Total Temperature Measurement in Turbomachinery

S. R. Kidd, J. S. Barton, P. Meredith, J. D. C. Jones, M. A. Cherrett, K. S. Chana

GT 1994; V005T15A005doi:https://doi.org/10.1115/94-GT-034

Abstract

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Topics: Compressors , Construction , Design , Fibers , Flow (Dynamics) , Jet engines , Optical coatings , Optical fiber , Probes , Resolution (Optics)

A Scanning Radiation Thermometry Technique for Determining Temperature Distribution in Gas Turbines

Maurizio De Lucia, Giovanni Masotti

GT 1994; V005T15A006doi:https://doi.org/10.1115/94-GT-039

Abstract

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Topics: Gas turbines , Radiation (Physics) , Temperature distribution , Temperature measurement , Computational methods , Errors , Geometry , Testing , Turbines

A Blade by Blade Tip Clearance Measurement System for Gas Turbine Applications

A. G. Sheard, B. Killeen

GT 1994; V005T15A007doi:https://doi.org/10.1115/94-GT-040

Abstract

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Topics: Blades , Clearances (Engineering) , Gas turbines , Measurement systems , Engines , Compressors , Design , Reliability , Rotors , Systems analysis

Sensor Error Compensation in Engine Performance Diagnostics

Allan J. Volponi

GT 1994; V005T15A008doi:https://doi.org/10.1115/94-GT-058

Abstract

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Topics: Engines , Error compensation , Sensors , Errors , Kalman filters , Algorithms , Gas turbines

Wall Proximity Effects in Pneumatic Measurement of Turbomachinery Flows

Peter D. Smout, Paul C. Ivey

GT 1994; V005T15A009doi:https://doi.org/10.1115/94-GT-116

Abstract

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Topics: Flow (Dynamics) , Turbomachinery , Probes , Wedges , Mach number , Pressure , Turbulence , Yaw , Annulus , Exterior walls

Identifying a Dynamic Model for a GE Frame 7 Gas Turbine

Howard Kaufman, R. Ravi

GT 1994; V005T15A010doi:https://doi.org/10.1115/94-GT-117

Abstract

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Topics: Dynamic models , Gas turbines , Control equipment , Design , Fuels , Guide vanes , Inlet guide vanes , Robustness , Waves

Digital Control Brings Large Turbofan Benefits to the Regional Jetliner Turbofan Market

Patterson B. Sisson, David K. Faymon

GT 1994; V005T15A011doi:https://doi.org/10.1115/94-GT-130

Abstract

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Topics: Turbofans , Engines , Control systems , Aircraft , Aerospace industry , Control algorithms , Design , Flight , Fluid mechanics , Gas turbines

The Design and Calibration of a Heat-Fluxmeter for Gas Turbine Studies

Paul C. Ivey

GT 1994; V005T15A012doi:https://doi.org/10.1115/94-GT-184

Abstract

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Topics: Calibration , Design , Gas turbines , Heat , Aircraft engines , Heat transfer , Instrumentation , Construction , Engines , Testing performance

Modeling for Control of Rotating Stall in High Speed Multi-Stage Axial Compressors

Matthew R. Feulner, Gavin J. Hendricks, James D. Paduano

GT 1994; V005T15A013doi:https://doi.org/10.1115/94-GT-200

Abstract

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Topics: Compressors , Modeling , Sensors , Actuators , Blades , Compressible flow , Surges , Transfer functions , Boundary-value problems , Control systems

Optimum Control of Variable Components in Aircraft Gas Turbine Engines Under Non-Stationary Flow Disturbances at the Inlet

I. N. Egorov, G. V. Kreitinin

GT 1994; V005T15A014doi:https://doi.org/10.1115/94-GT-268

Abstract

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Topics: Aircraft , Flow (Dynamics) , Gas turbines , Axial flow , Blades , Engine flow , Engines , Numerical analysis , Stators , Temperature effects

Use of Computer Simulation Techniques to Assess Thrust Rating as a Means of Reducing Turbo-Jet Life Cycle Costs

B. Devereux, R. Singh

GT 1994; V005T15A015doi:https://doi.org/10.1115/94-GT-269

Abstract

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Topics: Computer simulation , Life cycle costing , Thrust , Turbojets , Engines , Cycles , Gas turbines , Maintenance , Military systems , Simulation

Numerical Simulation of Blade Fault Signatures From Unsteady Wall Pressure Signals

V. Dedoussis, K. Mathioudakis, K. D. Papailiou

GT 1994; V005T15A016doi:https://doi.org/10.1115/94-GT-289

Abstract

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Topics: Blades , Computer simulation , Pressure , Signals , Rotating blades , Compressors , Engines , Flow (Dynamics) , Gas turbines , Industrial gases

Diagnosis of Turbine Engine Transient Performance With Model-Based Parameter Estimation Techniques

Jeff W. Bird, Howard M. Schwartz

GT 1994; V005T15A017doi:https://doi.org/10.1115/94-GT-317

Abstract

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Topics: Gas turbines , Parameter estimation , Transients (Dynamics) , Actuators , Control systems , Dynamics (Mechanics) , Engines , Fault diagnosis , Modeling , Noise (Sound)

The Model V84.3 Shop Tests: Tip Clearance Measurements and Evaluation

M. Janssen, J. Seume, H. Zimmermann

GT 1994; V005T15A018doi:https://doi.org/10.1115/94-GT-319

Abstract

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Topics: Clearances (Engineering) , Blades , Gas turbines , Design , Stress , Turbines , Cycles , Engineering prototypes , Flow (Dynamics) , Abrasion

Derivation of Compressor Stage Characteristics, for Accurate Overall Performance Map Prediction

A. Tsalavoutas, A. Stamatis, K. Mathioudakis

GT 1994; V005T15A019doi:https://doi.org/10.1115/94-GT-372

Abstract

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Topics: Compressors , Modeling , Optimization

The Simulation Methods in the Rotor-Machinery Diagnostics

Jan Kicinski, Robert Drozdowski

GT 1994; V005T15A020doi:https://doi.org/10.1115/94-GT-414

Abstract

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Topics: Machinery , Rotors , Simulation , Computer simulation , Bearings , Damage , Disks , Equations of motion , Finite element methods , Hydrodynamic stability

Multivariable Adaptive Control Using Only Input and Output Measurements for Turbojet Engines

Jin-Quan Huang, Jian-Guo Sun

GT 1994; V005T15A021doi:https://doi.org/10.1115/94-GT-422

Abstract

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Topics: Adaptive control , Engines , Turbojets , Control equipment , Flight , Aircraft engines , Design , Simulation , Simulation results , Transients (Dynamics)

Design Point Simulation of Multispool Industrial Compressor Trains

Lars J. Blendulf, Graham D. Smith

GT 1994; V005T15A022doi:https://doi.org/10.1115/94-GT-470

Abstract

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Topics: Compressors , Design , Simulation , Trains , Gas compressors , Nitrogen oxides , Air compressors , Compressibility , Computer software , Gas turbines

Education

The Advanced Gas Turbine Systems Research Program: A Model for Industry, University and Government Cooperation

Roy P. Allen, Paul L. Michell

GT 1994; V005T16A001doi:https://doi.org/10.1115/94-GT-083

Abstract

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Topics: Gas turbines , Governments , Turbines

Osborne Reynolds: Energy Methods in Transition and Loss Production — A Centennial Perspective

John Moore, Joan G. Moore

GT 1994; V005T16A002doi:https://doi.org/10.1115/94-GT-225

Abstract

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Topics: Boundary layers , Channel flow , Energy budget (Physics) , Flow (Dynamics) , Kinetic energy , Modeling , Pipes , Reynolds number , Stress , Turbulence

LDA Investigation of the Flow Development Through Rotating U-DUCTS

S. C. Cheah, H. Iacovides, D. C. Jackson, H. Ji, B. E. Launder

GT 1994; V005T16A003doi:https://doi.org/10.1115/94-GT-226

Abstract

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Topics: Ducts , Flow (Dynamics) , Rotation , Turbulence , Bubbles , Separation (Technology) , Blades , Computation , Cooling , Coriolis force

Reynolds Stresses and Dissipation Mechanisms in a Turbine Tip Leakage Vortex

John Moore, Joan G. Moore, Scott P. Heckel, Rafael Ballesteros

GT 1994; V005T16A005doi:https://doi.org/10.1115/94-GT-267

Abstract

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Topics: Energy dissipation , Leakage , Stress , Turbines , Vortices , Turbulence , Flow (Dynamics) , Kinetic energy , Probes , Wire

Gas Turbine Education in the Netherlands

J. P. van Buijtenen, J. Splinter

GT 1994; V005T16A006doi:https://doi.org/10.1115/94-GT-323

Abstract

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Topics: Education , Gas turbines

General

Dynamic Response of a Cracked Rotor With Some Comments on Crack Detection

G. Meng, Eric J. Hahn

GT 1994; V005T17A001doi:https://doi.org/10.1115/94-GT-029

Abstract

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Topics: Crack detection , Dynamic response , Rotors , Fracture (Materials) , Whirls , Shapes , Signals , Vibration , Excitation , Steady state

Gas Turbine Temperature Spread Monitoring Detection of Combustion System Deterioration

Martin Knowles

GT 1994; V005T17A002doi:https://doi.org/10.1115/94-GT-189

Abstract

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Topics: Combustion systems , Gas turbines , Temperature , Thermocouples , Air flow , Combustion chambers , Cycles , Engines , Failure , Gas flow

Experimental Studies on Methane-Fuel Laboratory Scale Ram Combustor

Y. Kinoshita, J. Kitajima, Y. Seki, A. Tatara

GT 1994; V005T17A003doi:https://doi.org/10.1115/94-GT-369

Abstract

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Topics: Combustion chambers , Fuels , Methane , Combustion , Emissions , Flames , High temperature , Ignition , Nitrogen oxides , Propulsion systems

Composite Filter System Development and Performance

M. Belcher

GT 1994; V005T17A004doi:https://doi.org/10.1115/94-GT-371

Abstract

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Topics: Composite materials , Filters , Particulate matter , Air filters , Cities , Filtration , Gas turbines , Turbines

Experimental Evaluation of the Damping Factor of Various Rotor-Bearing Configurations

Inam ul Haq

GT 1994; V005T17A005doi:https://doi.org/10.1115/94-GT-380

Abstract

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Topics: Bearings , Damping , Rotors , Machinery , Journal bearings , Stiffness , System dynamics

Combustion Turbine Triple Fuel System for Teesside, England Project

Larry E. Hoffman, Chris J. Harrison, James J. Shields

GT 1994; V005T17A006doi:https://doi.org/10.1115/94-GT-400

Abstract

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Topics: Combustion , Fuel systems , Turbines , Combined heat and power , Design , Combined cycles , Control systems , Fuels , Natural gas

Forging of Compressor Blades: Temperature and Ram Velocity Effects

K. Zhen, A. Saigal, T. S. Chan

GT 1994; V005T17A007doi:https://doi.org/10.1115/94-GT-428

Abstract

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Topics: Blades , Compressors , Forging , Temperature , Stress , Finite element analysis , Temperature distribution , Computer simulation , Creep , Flow (Dynamics)

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