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Proceedings Papers

Internal Aerodynamic Performance Evaluation of Double Entrance S-Duct Intake at Moderately High Subsonic Mach Number

Satpreet Sidhu, Asad Asghar, William D. E. Allan, R. A. Stowe, R. Pimentel
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A004, June 7–11, 2021
Paper No: GT2021-58849
DOI: https://doi.org/10.1115/GT2021-58849
View Paper titled, Internal Aerodynamic Performance Evaluation of Double Entrance S-Duct Intake at Moderately High Subsonic Mach Number
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Topics: Ducts, Mach number, Performance evaluation, Pressure, Engines, Aircraft, Air flow, Aircraft propulsion, Computational fluid dynamics, Flow separation
Proceedings Papers

Investigation of a Passive Flow Control Device in an S-Duct Inlet at High Subsonic Flow

Courtney Rider, Asad Asghar, William D. E. Allan, Grant Ingram, Robert Stowe, Rogerio Pimentel
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A018, June 7–11, 2021
Paper No: GT2021-60230
DOI: https://doi.org/10.1115/GT2021-60230
View Paper titled, Investigation of a Passive Flow Control Device in an S-Duct Inlet at High Subsonic Flow
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Topics: Ducts, Flow control, Subsonic flow, Flow (Dynamics), Computational fluid dynamics, Pressure, Simulation, Diffusers, Additive manufacturing, Airfoils
Proceedings Papers

Performance Evaluation of Leading Edge Tubercles Applied to the Blades in a 2-D Compressor Cascade

Satpreet S. Sidhu, Asad Asghar, William D. E. Allan
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A017, June 7–11, 2021
Paper No: GT2021-58798
DOI: https://doi.org/10.1115/GT2021-58798
View Paper titled, Performance Evaluation of Leading Edge Tubercles Applied to the Blades in a 2-D Compressor Cascade
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Performance evaluation, Flow visualization, Geometry, Mach number, Pressure, Aircraft engines, Design
Proceedings Papers

A Low Reynolds Number Experimental Evaluation of Tubercles on a Low-Pressure Turbine Cascade

Stephen A. Pym, Asad Asghar, William D. E. Allan, John P. Clark
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A028, June 17–21, 2019
Paper No: GT2019-91699
DOI: https://doi.org/10.1115/GT2019-91699
View Paper titled, A Low Reynolds Number Experimental Evaluation of Tubercles on a Low-Pressure Turbine Cascade
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Topics: Cascades (Fluid dynamics), Pressure, Reynolds number, Turbines, Blades, Boundary layers, Engines, Suction, Turbine blades, Aircraft
Proceedings Papers

Investigation of a Passive Flow Control Device in an S-Duct Inlet of a Propulsion System With High Subsonic Flow

Asad Asghar, Satpreet Sidhu, William D. E. Allan, Grant Ingram, Tom M. Hickling, Robert Stowe
Proc. ASME. GT2018, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A033, June 11–15, 2018
Paper No: GT2018-76636
DOI: https://doi.org/10.1115/GT2018-76636
View Paper titled, Investigation of a Passive Flow Control Device in an S-Duct Inlet of a Propulsion System With High Subsonic Flow
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Topics: Ducts, Flow control, Propulsion systems, Subsonic flow, Pressure, Flow (Dynamics), Geometry, Additive manufacturing, Computational fluid dynamics, Diffusers
Proceedings Papers

Pressure Equalization Method for Passive Flow Control of an S-Duct Intake for High Subsonic Speeds

Asad Asghar, Stephen Pym, William D. E. Allan, Marc LaViolette, Robert Stowe
Proc. ASME. GT2018, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A016, June 11–15, 2018
Paper No: GT2018-75793
DOI: https://doi.org/10.1115/GT2018-75793
View Paper titled, Pressure Equalization Method for Passive Flow Control of an S-Duct Intake for High Subsonic Speeds
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Topics: Ducts, Flow control, Pressure, Flow (Dynamics), Engines, Mach number, Aircraft, Aircraft engines, Boundary layers, Diffusers
Proceedings Papers

S-Duct Diffuser Offset-to-Length Ratio Effect on Aerodynamic Performance of Propulsion-System Inlet of High Speed Aircraft

Asad Asghar, William D. E. Allan, Marc LaViolette, Robert Stowe, Derrick Alexander, Grant Ingram
Proc. ASME. GT2018, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A035, June 11–15, 2018
Paper No: GT2018-76661
DOI: https://doi.org/10.1115/GT2018-76661
View Paper titled, S-Duct Diffuser Offset-to-Length Ratio Effect on Aerodynamic Performance of Propulsion-System Inlet of High Speed Aircraft
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Topics: Aircraft, Diffusers, Ducts, Propulsion systems, Pressure, Flow (Dynamics), Additive manufacturing, Aircraft engines, Computational fluid dynamics, Drag (Fluid dynamics)
Journal Articles

Entrance Aspect Ratio Effect on S-Duct Inlet Performance at High-Subsonic Flow

Asad Asghar, Robert A. Stowe, William D. E. Allan, Derrick Alexander
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2017, 139(5): 052602.
Paper No: GTP-16-1270
DOI: https://doi.org/10.1115/1.4035206
Published Online: January 4, 2017
View Article titled, Entrance Aspect Ratio Effect on S-Duct Inlet Performance at High-Subsonic Flow
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Topics: Diffusers, Ducts, Flow (Dynamics), Pressure, Computational fluid dynamics
Proceedings Papers

Entrance Aspect Ratio Effect on S-Duct Inlet Performance at High-Subsonic Flow

Asad Asghar, Robert A. Stowe, William D. E. Allan, Derrick Alexander
Proc. ASME. GT2016, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A036, June 13–17, 2016
Paper No: GT2016-57875
DOI: https://doi.org/10.1115/GT2016-57875
View Paper titled, Entrance Aspect Ratio Effect on S-Duct Inlet Performance at High-Subsonic Flow
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Topics: Ducts, Flow (Dynamics), Pressure, Diffusers, Databases, Aircraft engines, Computational fluid dynamics, Flight, Geometry, Mach number
Proceedings Papers

Performance Evaluation of an S-Duct Diffuser of a Flight-Vehicle Inlet in High-Subsonic Flow

Asad Asghar, Robert A. Stowe, William D. E. Allan, Derrick Alexander
Proc. ASME. GT2015, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A027, June 15–19, 2015
Paper No: GT2015-43740
DOI: https://doi.org/10.1115/GT2015-43740
View Paper titled, Performance Evaluation of an S-Duct Diffuser of a Flight-Vehicle Inlet in High-Subsonic Flow
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Topics: Diffusers, Ducts, Flight, Flow (Dynamics), Performance evaluation, Vehicles, Pressure, Databases, Aerodynamics, Aircraft engines
Proceedings Papers

Application of Complex Demodulation for Pseudo-Key-Phasor Recovery From Fast-Response Pressure Measurements

Jordan W. Ilott, W. D. E. Allan, Asad Asghar
Proc. ASME. GT2014, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T06A030, June 16–20, 2014
Paper No: GT2014-27093
DOI: https://doi.org/10.1115/GT2014-27093
View Paper titled, Application of Complex Demodulation for Pseudo-Key-Phasor Recovery From Fast-Response Pressure Measurements
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Topics: Pressure measurement, Rotors, Signals, Blades, Compressors, Design engineering, Machinery, Pressure transducers, Synchronization, Turbomachinery
Journal Articles

Effects of Combustion Chamber Geometry Deviations Upon Exit Temperature Profiles for Populations With Varied Service Limitations

Clayton Kotzer, Marc LaViolette, William Allan, Asad Asghar
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2011, 133(11): 111503.
DOI: https://doi.org/10.1115/1.4002845
Published Online: May 19, 2011
View Article titled, Effects of Combustion Chamber Geometry Deviations Upon Exit Temperature Profiles for Populations With Varied Service Limitations
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Topics: Combustion chambers, Geometry, Temperature, Temperature profiles, Engines, Flow (Dynamics), Pressure, Mach number
Proceedings Papers

Effects of Combustion Chamber Geometry Deviations Upon Exit Temperature Profiles for Populations With Varied Service Limitations

Clayton Kotzer, Marc LaViolette, William Allan, Asad Asghar
Proc. ASME. GT2010, Volume 2: Combustion, Fuels and Emissions, Parts A and B, 1159-1168, June 14–18, 2010
Paper No: GT2010-23449
DOI: https://doi.org/10.1115/GT2010-23449
View Paper titled, Effects of Combustion Chamber Geometry Deviations Upon Exit Temperature Profiles for Populations With Varied Service Limitations
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Topics: Combustion chambers, Geometry, Temperature profiles, Engines, Fuels, Lasers, Mach number, Operating temperature, Pressure, Resolution (Optics)