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Proceedings Papers

Determination of Rotating Assembly Synchronous Response Characteristics Using Blade Tip-Timing Techniques

Proc. ASME. DETC95, Volume 3B: 15th Biennial Conference on Mechanical Vibration and Noise — Acoustics, Vibrations, and Rotating Machines, 1343-1351, September 17–20, 1995

Publisher: American Society of Mechanical Engineers

Paper No: DETC1995-0534

https://doi.org/10.1115/DETC1995-0534

View Paper titled, Determination of Rotating Assembly Synchronous Response Characteristics Using Blade Tip-Timing Techniques

Topics: Blades, Manufacturing, Disks, Probes, Aerospace industry, Lasers, Mode shapes, Reliability, Turbomachinery, Vibration

Proceedings Papers

A Probabilistic Analysis of Single-Degree-of-Freedom Blade Vibration

Kenan Y. Sanliturk, Mehmet Imregun, David J. Ewins

Proc. ASME. GT1993, Volume 3B: General, V03BT16A020, May 24–27, 1993

Publisher: American Society of Mechanical Engineers

Paper No: 93-GT-264

https://doi.org/10.1115/93-GT-264

View Paper titled, A Probabilistic Analysis of Single-Degree-of-Freedom Blade Vibration

Topics: Blades, Vibration, Damping, Stiffness, Density, Frequency response, Probability, Statistical analysis, Statistical distributions, Turbomachinery

Journal Articles

Mechanisms for Wide-Chord Fan Blade Flutter

Mehdi Vahdati, George Simpson, Mehmet Imregun

Publisher: ASME

J. Turbomach. October 2011, 133(4): 041029.

https://doi.org/10.1115/1.4001233

Published Online: April 27, 2011

View Article titled, Mechanisms for Wide-Chord Fan Blade Flutter

Topics: Blades, Flutter (Aerodynamics), Pressure, Acoustics, Flow (Dynamics), Waves

Journal Articles

Effects of Fan Speed on Rotating Stall Inception and Recovery

Minsuk Choi, Mehdi Vahdati, Mehmet Imregun

Publisher: ASME

J. Turbomach. October 2011, 133(4): 041013.

https://doi.org/10.1115/1.4003243

Published Online: April 21, 2011

View Article titled, Effects of Fan Speed on Rotating Stall Inception and Recovery

Topics: Blades, Flow (Dynamics), Pressure, Stall inception, Nozzles, Annulus, Compressors

Proceedings Papers

Effects of Fan Speed on Rotating Stall Inception and Recovery

Minsuk Choi, Mehdi Vahdati, Mehmet Imregun

Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 2593-2603, June 14–18, 2010

Publisher: American Society of Mechanical Engineers

Paper No: GT2010-23183

https://doi.org/10.1115/GT2010-23183

View Paper titled, Effects of Fan Speed on Rotating Stall Inception and Recovery

Topics: Stall inception, Annulus, Flow (Dynamics), Nozzles, Geometry, Reynolds-averaged Navier–Stokes equations

Proceedings Papers

Mechansims for Wide-Chord Fan Blade Flutter

Mehdi Vahdati, George Simpson, Mehmet Imregun

Proc. ASME. GT2009, Volume 6: Structures and Dynamics, Parts A and B, 585-593, June 8–12, 2009

Publisher: American Society of Mechanical Engineers

Paper No: GT2009-60098

https://doi.org/10.1115/GT2009-60098

View Paper titled, Mechansims for Wide-Chord Fan Blade Flutter

Topics: Blades, Chords (Trusses), Flutter (Aerodynamics), Acoustics, Waves, Cylinders, Flight, Flow separation, Pressure, Reflection

Proceedings Papers

Effect of Real Geometry on Compressor Performance Predictions

Luca di Mare, Mehmet Imregun, Jeffrey S. Green

Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 263-271, June 8–12, 2009

Publisher: American Society of Mechanical Engineers

Paper No: GT2009-59824

https://doi.org/10.1115/GT2009-59824

View Paper titled, Effect of Real Geometry on Compressor Performance Predictions

Topics: Compressors, Geometry, Blades, Flow (Dynamics), Rotors, Annulus, Computational fluid dynamics, Deformation, Delays, Pressure

Proceedings Papers

Forced Response and Surge Behaviour of IP Core-Compressors With Ice-Damaged Rotor Blades

Sridar Dhandapani, Mehdi Vahdati, Mehmet Imregun

Proc. ASME. GT2008, Volume 5: Structures and Dynamics, Parts A and B, 693-701, June 9–13, 2008

Publisher: American Society of Mechanical Engineers

Paper No: GT2008-50335

https://doi.org/10.1115/GT2008-50335

View Paper titled, Forced Response and Surge Behaviour of IP Core-Compressors With Ice-Damaged Rotor Blades

Topics: Blades, Compressors, Ice, Rotors, Surges, Damage, Annulus, Excitation, Engines, Rotor assembly

Proceedings Papers

Low Pressure Compression System Effects on Fan Assembly Forced Response

Abdulnaser I. Sayma, Mehdi Vahdti, Mehmet Imregun, John Marshal

Proc. ASME. GT2007, Volume 5: Turbo Expo 2007, 655-664, May 14–17, 2007

Publisher: American Society of Mechanical Engineers

Paper No: GT2007-27665

https://doi.org/10.1115/GT2007-27665

View Paper titled, Low Pressure Compression System Effects on Fan Assembly Forced Response

Topics: Compression, Manufacturing, Pressure, Blades, Shock (Mechanics), Aircraft engines, Ducts, Engines, Excitation, Finite element model

Proceedings Papers

The Effect of Stagger Variability in Gas Turbine Fan Assemblies

Mark J. Wilson, Mehmet Imregun, Abdulnaser I. Sayma

Proc. ASME. GT2006, Volume 5: Marine; Microturbines and Small Turbomachinery; Oil and Gas Applications; Structures and Dynamics, Parts A and B, 1059-1069, May 8–11, 2006

Publisher: American Society of Mechanical Engineers

Paper No: GT2006-90434

https://doi.org/10.1115/GT2006-90434