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Journal Articles

Aerodynamic Design and Testing of an Imbedded Forward Swept Rotor in a Two-Stage Transonic Fan

A. R. Wadia, J. D. Niedermeier, P. N. Szucs, N. G. Cormier, D. W. Crall, D. C. Rabe
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. August 2019, 141(8): 081012.
Paper No: TURBO-18-1183
https://doi.org/10.1115/1.4043574
Published Online: May 23, 2019
View Article titled, Aerodynamic Design and Testing of an Imbedded Forward Swept Rotor in a Two-Stage Transonic Fan
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Topics: Blades, Design, Rotors, Stators
Proceedings Papers

Aerodynamic Design and Testing of an Imbedded Forward Swept Rotor in a Two-Stage Transonic Fan

A. R. Wadia, J. D. Niedermeier, P. N. Szucs, N. G. Cormier, D. W. Crall, D. C. Rabe
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT39A013, June 11–15, 2018
Paper No: GT2018-75562
https://doi.org/10.1115/GT2018-75562
View Paper titled, Aerodynamic Design and Testing of an Imbedded Forward Swept Rotor in a Two-Stage Transonic Fan
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Topics: Design, Rotors, Testing, Blades, Deflection, Airfoils, Compressors, Fans, Flow (Dynamics), Rotation
Proceedings Papers

Rotor-Tip Leakage: Part II — Design Optimization Through Viscous Analysis and Experiment

A. R. Wadia, T. C. Booth
Proc. ASME. GT1981, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A017, March 9–12, 1981
Paper No: 81-GT-72
https://doi.org/10.1115/81-GT-72
View Paper titled, Rotor-Tip Leakage: Part II — Design Optimization Through Viscous Analysis and Experiment
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Topics: Design, Leakage, Optimization, Rotors, Discharge coefficient, Coolants, Testing, Blades, Cross-flow, Flow (Dynamics)
Proceedings Papers

Development of a Design Model for Airfoil Leading Edge Film Cooling

A. R. Wadia, D. A. Nealy
Proc. ASME. GT1985, Volume 3: Heat Transfer; Electric Power, V003T09A018, March 18–21, 1985
Paper No: 85-GT-120
https://doi.org/10.1115/85-GT-120
View Paper titled, Development of a Design Model for Airfoil Leading Edge Film Cooling
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Topics: Airfoils, Design, Film cooling, Coolants, Temperature, Heat transfer, Heat transfer coefficients, High temperature, Mach number, Pressure
Proceedings Papers

Three-Dimensional Relief in Turbomachinery Blading

A. R. Wadia, B. F. Beacher
Proc. ASME. GT1989, Volume 1: Turbomachinery, V001T01A058, June 4–8, 1989
Paper No: 89-GT-151
https://doi.org/10.1115/89-GT-151
View Paper titled, Three-Dimensional Relief in Turbomachinery Blading
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Topics: Turbomachinery, Flow (Dynamics), Cascades (Fluid dynamics), Airfoils, Compressors, Axial flow, Boundary layers, Design, Pressure, Pressure measurement
Proceedings Papers

Low Aspect Ratio Transonic Rotors: Part 1 — Baseline Design and Performance

C. H. Law, A. R. Wadia
Proc. ASME. GT1992, Volume 1: Turbomachinery, V001T01A068, June 1–4, 1992
Paper No: 92-GT-185
https://doi.org/10.1115/92-GT-185
View Paper titled, Low Aspect Ratio Transonic Rotors: Part 1 — Baseline Design and Performance
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Topics: Design, Rotors, Compressors, Analytical design, Axial flow, Blades, Flow (Dynamics)
Proceedings Papers

Low Aspect Ratio Transonic Rotors: Part 2 — Influence of Location of Maximum Thickness on Transonic Compressor Performance

A. R. Wadia, C. H. Law
Proc. ASME. GT1992, Volume 1: Turbomachinery, V001T01A069, June 1–4, 1992
Paper No: 92-GT-186
https://doi.org/10.1115/92-GT-186
View Paper titled, Low Aspect Ratio Transonic Rotors: Part 2 — Influence of Location of Maximum Thickness on Transonic Compressor Performance
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Topics: Compressors, Rotors, Design, Chords (Trusses), Flow (Dynamics), Aerodynamic flow, Blades, Ice, Pressure, Shock (Mechanics)
Proceedings Papers

An Investigation of the Effect of Cascade Area Ratios on Transonic Compressor Performance

A. R. Wadia, W. W. Copenhaver
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A097, June 13–16, 1994
Paper No: 94-GT-286
https://doi.org/10.1115/94-GT-286
View Paper titled, An Investigation of the Effect of Cascade Area Ratios on Transonic Compressor Performance
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Topics: Cascades (Fluid dynamics), Compressors, Rotors, Design, Shock (Mechanics), Blades, Boundary layers, Flow (Dynamics), Physics
Proceedings Papers

Inner Workings of Aerodynamic Sweep

A. R. Wadia, P. N. Szucs, D. W. Crall
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A062, June 2–5, 1997
Paper No: 97-GT-401
https://doi.org/10.1115/97-GT-401
View Paper titled, Inner Workings of Aerodynamic Sweep
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Topics: Axial flow, Blades, Boundary layers, Clearances (Engineering), Compression, Design, Diffusion (Physics), Rotors, Shock (Mechanics), Stability
Proceedings Papers

Control of Shock Structure and Secondary Flow Field Inside Transonic Compressor Rotors Through Aerodynamic Sweep

C. Hah, S. L. Puterbaugh, A. R. Wadia
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A132, June 2–5, 1998
Paper No: 98-GT-561
https://doi.org/10.1115/98-GT-561
View Paper titled, Control of Shock Structure and Secondary Flow Field Inside Transonic Compressor Rotors Through Aerodynamic Sweep
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Topics: Compressors, Flow (Dynamics), Rotors, Shock (Mechanics), Design, Numerical analysis, Blades, Fluids, Momentum, Navier-Stokes equations
Proceedings Papers

Design and Testing of Swept and Leaned Outlet Guide Vanes to Reduce Stator-Strut-Splitter Aerodynamic Flow Interactions

A. R. Wadia, P. N. Szucs, K. L. Gundy-Burlet
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A021, June 2–5, 1998
Paper No: 98-GT-070
https://doi.org/10.1115/98-GT-070
View Paper titled, Design and Testing of Swept and Leaned Outlet Guide Vanes to Reduce Stator-Strut-Splitter Aerodynamic Flow Interactions
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Topics: Aerodynamic flow, Design, Guide vanes, Stators, Struts (Engineering), Testing, Flow (Dynamics), Engines, Pressure, Stability
Proceedings Papers

Aerodynamic Design and Testing of an Axial Flow Compressor With Pressure Ratio of 23.3:1 for the LM2500+ Gas Turbine

A. R. Wadia, D. P. Wolf, F. G. Haaser
Proc. ASME. GT1999, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A042, June 7–10, 1999
Paper No: 99-GT-210
https://doi.org/10.1115/99-GT-210
View Paper titled, Aerodynamic Design and Testing of an Axial Flow Compressor With Pressure Ratio of 23.3:1 for the LM2500+ Gas Turbine
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Topics: Axial flow, Design, Gas turbines, Pressure, Testing, Compressors, Airfoils, Flow (Dynamics), High pressure (Physics), Combined cycles
Journal Articles

Experimental Investigation of Tip Clearance Flow in a Transonic Compressor With and Without Plasma Actuators

S. Saddoughi, G. Bennett, M. Boespflug, S. L. Puterbaugh, A. R. Wadia
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. April 2015, 137(4): 041008.
Paper No: TURBO-14-1207
https://doi.org/10.1115/1.4028444
Published Online: October 28, 2014
View Article titled, Experimental Investigation of Tip Clearance Flow in a Transonic Compressor With and Without Plasma Actuators
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Topics: Actuators, Clearances (Engineering), Compressors, Flow (Dynamics), Plasmas (Ionized gases), Pressure, Design, Rotors, Blades
Proceedings Papers

Experimental Investigation of Tip Clearance Flow in a Transonic Compressor With and Without Plasma Actuators

S. Saddoughi, G. Bennett, M. Boespflug, S. L. Puterbaugh, A. R. Wadia
Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A008, June 16–20, 2014
Paper No: GT2014-25294
https://doi.org/10.1115/GT2014-25294
View Paper titled, Experimental Investigation of Tip Clearance Flow in a Transonic Compressor With and Without Plasma Actuators
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Topics: Actuators, Clearances (Engineering), Compressors, Flow (Dynamics), Plasmas (Ionized gases), Flow control, Design, Pressure, Blades, Rotors
Proceedings Papers

F110-GE-129 EFE — Enhanced Power Through Low Risk Derivative Technology

A. R. Wadia, F. D. James
Proc. ASME. GT2000, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T01A019, May 8–11, 2000
Paper No: 2000-GT-0578
https://doi.org/10.1115/2000-GT-0578
View Paper titled, F110-GE-129 EFE — Enhanced Power Through Low Risk Derivative Technology
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Topics: Risk, Engines, Thrust, Chords (Trusses), Testing, Air flow, Design, Exhaust systems, Inspection, Maintainability
Proceedings Papers

Effect of Loading Level and Distribution on LPT Losses

C. Prakash, D. G. Cherry, H. W. Shin, J. Machnaim, L. Dailey, R. Beacock, D. Halstead, A. R. Wadia, S. Guillot, W. F. Ng
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 917-925, June 9–13, 2008
Paper No: GT2008-50052
https://doi.org/10.1115/GT2008-50052
View Paper titled, Effect of Loading Level and Distribution on LPT Losses
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Topics: Blades, Cascades (Fluid dynamics), Chords (Trusses), Computational fluid dynamics, Design, Engineering simulation, Flow visualization, Mach number, Pressure, Reynolds number
Proceedings Papers

Forward Swept Rotor Studies in Multistage Fans With Inlet Distortion

A. R. Wadia, P. N. Szucs, D. W. Crall, D. C. Rabe
Proc. ASME. GT2002, Volume 5: Turbo Expo 2002, Parts A and B, 11-21, June 3–6, 2002
Paper No: GT2002-30326
https://doi.org/10.1115/GT2002-30326
View Paper titled, Forward Swept Rotor Studies in Multistage Fans With Inlet Distortion
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Topics: Fans, Rotors, Inlet guide vanes, Stability, Blades, Flow (Dynamics), High pressure (Physics), Military systems, Testing
Proceedings Papers

Inner Workings of Shrouded and Un-Shrouded Transonic Fan Blades

A. R. Wadia, P. N. Szucs
Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 399-412, May 8–11, 2006
Paper No: GT2006-90992
https://doi.org/10.1115/GT2006-90992
View Paper titled, Inner Workings of Shrouded and Un-Shrouded Transonic Fan Blades
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Topics: Blades, Rotors, Boundary layers, Fluids, Suction, Aircraft engines, Cycles, Design, Engines, Fans
Proceedings Papers

Development and Demonstration of a Stability Management System for Gas Turbine Engines

D. Christensen, P. Cantin, D. Gutz, P. N. Szucs, A. R. Wadia, J. Armor, M. Dhingra, Y. Neumeier, J. V. R. Prasad
Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 165-174, May 8–11, 2006
Paper No: GT2006-90324
https://doi.org/10.1115/GT2006-90324
View Paper titled, Development and Demonstration of a Stability Management System for Gas Turbine Engines
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Topics: Gas turbines, Stability, Compressors, Engines, Algorithms, Transients (Dynamics), Fuels, Signals, Valves, Aircraft engines
Journal Articles

Development and Demonstration of a Stability Management System for Gas Turbine Engines

D. Christensen, P. Cantin, D. Gutz, P. N. Szucs, A. R. Wadia, J. Armor, M. Dhingra, Y. Neumeier, J. V. R. Prasad
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2008, 130(3): 031011.
https://doi.org/10.1115/1.2777176
Published Online: May 2, 2008
View Article titled, Development and Demonstration of a Stability Management System for Gas Turbine Engines
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Topics: Compressors, Engines, Gas turbines, Stability, Signals, Rotors, Fuels, Pressure, Transients (Dynamics)