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Harold R. Simmons
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Proceedings Papers

Effective Tools for Diagnosing Elusive Turbomachinery Dynamics Problems in the Field

Harold R. Simmons, Anthony J. Smalley
Proc. ASME. GT1989, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications, V003T07A005, June 4–8, 1989
Publisher: American Society of Mechanical Engineers
Paper No: 89-GT-71
https://doi.org/10.1115/89-GT-71
View Paper titled, Effective Tools for Diagnosing Elusive Turbomachinery Dynamics Problems in the Field
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Topics: Dynamics (Mechanics), Turbomachinery, Vibration, Blades, Compressors, Gas turbines, Accelerometers, Bearings, Combustion chambers, Durability
Proceedings Papers

Measuring Rotor and Blade Dynamics Using an Optical Blade Tip Sensor

Harold R. Simmons, Douglas L. Michalsky, Kenneth E. Brewer, Anthony J. Smalley
Proc. ASME. GT1990, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; General, V005T14A003, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-091
https://doi.org/10.1115/90-GT-091
View Paper titled, Measuring Rotor and Blade Dynamics Using an Optical Blade Tip Sensor
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Topics: Blades, Dynamics (Mechanics), Rotors, Sensors, Clearances (Engineering), Combustion, Probes, Turbines, Vibration, Measurement systems
Proceedings Papers

Remote Condition Monitoring of a Peaking Gas Turbine

Ralph E. Harris, Harold R. Simmons, Anthony J. Smalley, Richard M. Baldwin, George Quentin
Proc. ASME. GT1991, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T10A007, June 3–6, 1991
Publisher: American Society of Mechanical Engineers
Paper No: 91-GT-185
https://doi.org/10.1115/91-GT-185
View Paper titled, Remote Condition Monitoring of a Peaking Gas Turbine
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Topics: Condition monitoring, Gas turbines, Computers, Computer software, Data acquisition, Design, Hardware, Stress, Synchronization, Telecommunications
Proceedings Papers

Tools for Diagnosing Case Deflections and Alignment on a Power Utility Combustion Turbine

Harold R. Simmons, Anthony J. Smalley, Robert W. Frischmuth, Gianluca Lapini, George Robinson
Proc. ASME. GT1992, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T10A004, June 1–4, 1992
Publisher: American Society of Mechanical Engineers
Paper No: 92-GT-179
https://doi.org/10.1115/92-GT-179
View Paper titled, Tools for Diagnosing Case Deflections and Alignment on a Power Utility Combustion Turbine
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Topics: Combustion, Deflection, Turbines, Measurement systems, Probes, Sensors, Bearings, Blades, Cylinders, Data acquisition systems
Proceedings Papers

Turning Gear Operation: Its Influence on Combustion Turbine Rotor Eccentricity and Starting Dynamics

Harold R. Simmons, Paul J. Troxler, Anthony J. Smalley, George J. Robinson, Robert W. Frischmuth
Proc. ASME. GT1993, Volume 3B: General, V03BT16A029, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-273
https://doi.org/10.1115/93-GT-273
View Paper titled, Turning Gear Operation: Its Influence on Combustion Turbine Rotor Eccentricity and Starting Dynamics
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Topics: Combustion, Dynamics (Mechanics), Gears, Rotors, Turbines, Turning, Energy generation, Instrumentation, Stress, Vibration
Proceedings Papers

Revisiting the SAFE Diagram for Analysis of Mistuned Bladed Disks

Timothy C. Allison, J. Jeffrey Moore, Andrew H. Lerche, Harold R. Simmons
Proc. ASME. GT2012, Volume 6: Oil and Gas Applications; Concentrating Solar Power Plants; Steam Turbines; Wind Energy, 141-153, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69014
https://doi.org/10.1115/GT2012-69014
View Paper titled, Revisiting the SAFE Diagram for Analysis of Mistuned Bladed Disks
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Topics: Disks, Blades, Excitation, Design, Failure, Finite element analysis, Flow (Dynamics), Mode shapes, Stress
Proceedings Papers

Effect of Non-Uniform Blade Root Friction and Sticking on Disk Stresses

Harold R. Simmons, Vishwas Iyengar
Proc. ASME. GT2011, Volume 6: Structures and Dynamics, Parts A and B, 829-838, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46689
https://doi.org/10.1115/GT2011-46689
View Paper titled, Effect of Non-Uniform Blade Root Friction and Sticking on Disk Stresses
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Topics: Blades, Disks, Friction, Stress, Creep, Fatigue damage, Turbines, Bending (Stress), Compressors, Damage
Proceedings Papers

Toward Developing a Probabilistic Methodology for Predicting High-Cycle Fretting Fatigue in Aero-Engines

Kwai S. Chan, Michael P. Enright, Harold R. Simmons, Patrick J. Golden, Ramesh Chandra, Alan C. Pentz
Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 659-666, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-23007
https://doi.org/10.1115/GT2010-23007
View Paper titled, Toward Developing a Probabilistic Methodology for Predicting High-Cycle Fretting Fatigue in Aero-Engines
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Topics: Aircraft engines, Cycles, Fatigue, Stress, Finite element methods, Fracture mechanics, Stress analysis (Engineering), Computation, Disks, Engines
Proceedings Papers

Impulse Testing and Blade Load Simulation Tools to Estimate Cyclic Stress Life in Blades and Impellers

Harold R. Simmons, Timothy C. Allison
Proc. ASME. GT2010, Volume 5: Industrial and Cogeneration; Microturbines and Small Turbomachinery; Oil and Gas Applications; Wind Turbine Technology, 777-787, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-23745
https://doi.org/10.1115/GT2010-23745
View Paper titled, Impulse Testing and Blade Load Simulation Tools to Estimate Cyclic Stress Life in Blades and Impellers
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Topics: Blades, Compressors, Failure analysis, Impellers, Impulse (Physics), Simulation, Stress, Testing
Proceedings Papers

Applications of an Interactive Balancing Procedure for Gas Turbines and Other Turbomachinery

Timothy C. Allison, Harold R. Simmons
Proc. ASME. GT2009, Volume 5: Microturbines and Small Turbomachinery; Oil and Gas Applications, 479-486, June 8–12, 2009
Publisher: American Society of Mechanical Engineers
Paper No: GT2009-60134
https://doi.org/10.1115/GT2009-60134
View Paper titled, Applications of an Interactive Balancing Procedure for Gas Turbines and Other Turbomachinery
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Topics: Gas turbines, Turbomachinery, Sensor placement, Vibration, Weight (Mass)
Proceedings Papers

Analysis of Combustor Acoustic Resonances Using an Efficient Transient Solver

Klaus Brun, Rainer Kurz, Harold R. Simmons, Marybeth G. Nored
Proc. ASME. GT2007, Volume 4: Turbo Expo 2007, Parts A and B, 1399-1405, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27035
https://doi.org/10.1115/GT2007-27035
View Paper titled, Analysis of Combustor Acoustic Resonances Using an Efficient Transient Solver
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Topics: Acoustics, Combustion chambers, Resonance, Transients (Dynamics), Combustion, Computers, Gas turbines, Industrial gases, Navier-Stokes equations, Temperature
Proceedings Papers

Aerodynamic Instability and Life Limiting Effects of Inlet and Interstage Water Injection Into Gas Turbines

Klaus Brun, Rainer Kurz, Harold R. Simmons
Proc. ASME. GT2005, Volume 4: Turbo Expo 2005, 237-245, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68007
https://doi.org/10.1115/GT2005-68007
View Paper titled, Aerodynamic Instability and Life Limiting Effects of Inlet and Interstage Water Injection Into Gas Turbines
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Topics: Blades, Cooling, Failure, Gas turbines, Underground injection
Proceedings Papers

Aerodynamic Instability Effects on Compressor Blade Failure: A Root Cause Failure Analysis

Harold R. Simmons, Klaus Brun, Sastry Cheruvu
Proc. ASME. GT2006, Volume 5: Marine; Microturbines and Small Turbomachinery; Oil and Gas Applications; Structures and Dynamics, Parts A and B, 649-660, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-91353
https://doi.org/10.1115/GT2006-91353
View Paper titled, Aerodynamic Instability Effects on Compressor Blade Failure: A Root Cause Failure Analysis
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Topics: Blades, Compressors, Failure, Failure analysis, High cycle fatigue, Surges, Vibration
Journal Articles

Aerodynamic Instability and Life-Limiting Effects of Inlet and Interstage Water Injection Into Gas Turbines

Klaus Brun, Rainer Kurz, Harold R. Simmons
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2006, 128(3): 617–625.
https://doi.org/10.1115/1.2135819
Published Online: March 1, 2004
View Article titled, Aerodynamic Instability and Life-Limiting Effects of Inlet and Interstage Water Injection Into Gas Turbines
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Topics: Blades, Compressors, Evaporative cooling, Gas turbines, Surges, Underground injection, Flow (Dynamics), Stability