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Journal Articles

Evaluation of Component Level Degradation in the Boeing 737-800 Air Cycle Machine

Ian Jennions, Fakhre Ali
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. March 2023, 15(3): 031014.
Paper No: TSEA-22-1375
DOI: https://doi.org/10.1115/1.4056510
Published Online: January 23, 2023
View Article titled, Evaluation of Component Level Degradation in the Boeing 737-800 Air Cycle Machine
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Topics: Compressors, Cycles, Flow (Dynamics), Machinery, Mechanical efficiency, Temperature, Turbines, Pressure, Simulation, Aircraft
Journal Articles

Boeing 737-400 Passenger Air Conditioner Control System Model for Accurate Fault Simulation

Shafayat H. Chowdhury, Fakhre Ali, Ian K. Jennions
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. September 2022, 14(9): 091008.
Paper No: TSEA-21-1530
DOI: https://doi.org/10.1115/1.4053740
Published Online: March 8, 2022
View Article titled, Boeing 737-400 Passenger Air Conditioner Control System Model for Accurate Fault Simulation
Click here to open pdf in another window PDF for Boeing 737-400 Passenger Air Conditioner Control System Model for Accurate Fault Simulation
Topics: Aircraft, Control equipment, Control systems, Flow (Dynamics), Heat exchangers, Pressure, Simulation, Temperature, Temperature control, Valves
Journal Articles

Assessment of Heat Exchanger Degradation in a Boeing 737-800 Environmental Control System

Ian Jennions, Fakhre Ali
Journal: Journal of Thermal Science and Engineering Applications
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. December 2021, 13(6): 061015.
Paper No: TSEA-20-1557
DOI: https://doi.org/10.1115/1.4050324
Published Online: April 2, 2021
View Article titled, Assessment of Heat Exchanger Degradation in a Boeing 737-800 Environmental Control System
Click here to open pdf in another window PDF for Assessment of Heat Exchanger Degradation in a Boeing 737-800 Environmental Control System
Topics: Aircraft, Flow (Dynamics), Heat exchangers, Temperature, Control systems, Simulation, Pressure, Waste heat
Journal Articles

Experimental Investigation and Simulation of a Boeing 747 Auxiliary Power Unit

Christos Skliros, Fakhre Ali, Ian Jennions
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2020, 142(8): 081005.
Paper No: GTP-19-1756
DOI: https://doi.org/10.1115/1.4047771
Published Online: July 31, 2020
View Article titled, Experimental Investigation and Simulation of a Boeing 747 Auxiliary Power Unit
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Topics: Compressors, Flow (Dynamics), Pressure, Temperature, Fuels, Simulation models, Uncertainty, Turbines, Electricity (Physics)
Journal Articles

Computational Fluid Dynamics Investigation of a Core-Mounted Target-Type Thrust Reverser—Part 2: Reverser Deployed Configuration

Tashfeen Mahmood, Anthony Jackson, Vishal Sethi, Bidur Khanal, Fakhre Ali
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 091205.
Paper No: GTP-17-1465
DOI: https://doi.org/10.1115/1.4038817
Published Online: July 9, 2018
View Article titled, Computational Fluid Dynamics Investigation of a Core-Mounted Target-Type Thrust Reverser—Part 2: Reverser Deployed Configuration
Click here to open pdf in another window PDF for Computational Fluid Dynamics Investigation of a Core-Mounted Target-Type Thrust Reverser—Part 2: Reverser Deployed Configuration
Topics: Computational fluid dynamics, Engines, Flow (Dynamics), Pressure, Thrust, Thrust reversers, Design
Journal Articles

Computational Fluid Dynamics Investigation of a Core-Mounted Target-Type Thrust Reverser—Part 1: Reverser Stowed Configuration

Tashfeen Mahmood, Anthony Jackson, Vishal Sethi, Bidur Khanal, Fakhre Ali
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 091204.
Paper No: GTP-17-1464
DOI: https://doi.org/10.1115/1.4038816
Published Online: June 15, 2018
View Article titled, Computational Fluid Dynamics Investigation of a Core-Mounted Target-Type Thrust Reverser—Part 1: Reverser Stowed Configuration
Click here to open pdf in another window PDF for Computational Fluid Dynamics Investigation of a Core-Mounted Target-Type Thrust Reverser—Part 1: Reverser Stowed Configuration
Topics: Computational fluid dynamics, Engines, Flow (Dynamics), Thrust, Thrust reversers
Proceedings Papers

Analytical Model for the Performance Estimation of Pre-Cooled Pulse Detonation Turbofan Engines

Carlos Xisto, Fakhre Ali, Olivier Petit, Tomas Grönstedt, Andrew Rolt, Anders Lundbladh
Proc. ASME. GT2017, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A016, June 26–30, 2017
Paper No: GT2017-63776
DOI: https://doi.org/10.1115/GT2017-63776
View Paper titled, Analytical Model for the Performance Estimation of Pre-Cooled Pulse Detonation Turbofan Engines
Click here to open pdf in another window PDF for Analytical Model for the Performance Estimation of Pre-Cooled Pulse Detonation Turbofan Engines
Topics: Engines, Explosions, Turbofans, Design, Architecture, Combustion, Cycles, Thermal efficiency, Aircraft engines, Compressors
Proceedings Papers

A Noise Assessment Framework for Subsonic Aircraft and Engines

Fakhre Ali, Lars Ellbrant, David Elmdahl, Tomas Grönstedt
Proc. ASME. GT2016, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A039, June 13–17, 2016
Paper No: GT2016-58012
DOI: https://doi.org/10.1115/GT2016-58012
View Paper titled, A Noise Assessment Framework for Subsonic Aircraft and Engines
Click here to open pdf in another window PDF for A Noise Assessment Framework for Subsonic Aircraft and Engines
Topics: Aircraft, Engines, Noise (Sound), Commercial air transport, Sound pressure, Architecture, Combustion chambers, Compressors, Doppler effect, Flight
Journal Articles

A Preliminary Design Tradeoff Study for an Advanced Propulsion Technology Rotorcraft at Mission Level

Fakhre Ali, Ioannis Goulos, Vassilios Pachidis
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2016, 138(1): 012602.
Paper No: GTP-15-1302
DOI: https://doi.org/10.1115/1.4031204
Published Online: August 25, 2015
View Article titled, A Preliminary Design Tradeoff Study for an Advanced Propulsion Technology Rotorcraft at Mission Level
Click here to open pdf in another window PDF for A Preliminary Design Tradeoff Study for an Advanced Propulsion Technology Rotorcraft at Mission Level
Topics: Engines, Simulation, Weight (Mass), Fuels, Design, Propulsion, Tradeoffs, Gas turbines, Flight
Proceedings Papers

Multi-Objective Optimization of a Regenerative Rotorcraft Powerplant: Quantification of Fuel Economy and Environmental Impact

Fakhre Ali, Konstantinos Tzanidakis, Ioannis Goulos, Vassilios Pachidis, Roberto d’Ippolito
Proc. ASME. GT2015, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A035, June 15–19, 2015
Paper No: GT2015-44001
DOI: https://doi.org/10.1115/GT2015-44001
View Paper titled, Multi-Objective Optimization of a Regenerative Rotorcraft Powerplant: Quantification of Fuel Economy and Environmental Impact
Click here to open pdf in another window PDF for Multi-Objective Optimization of a Regenerative Rotorcraft Powerplant: Quantification of Fuel Economy and Environmental Impact
Topics: Corporate average fuel economy, Fuel efficiency, Pareto optimization, Power stations, Engines, Design, Pressure, Compressors, Emissions, Engine design
Proceedings Papers

Design Space Exploration and Optimization of Conceptual Rotorcraft Powerplants

Fakhre Ali, Konstantinos Tzanidakis, Ioannis Goulos, Vassilios Pachidis, Roberto d’Ippolito
Proc. ASME. GT2015, Volume 3: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration, V003T06A025, June 15–19, 2015
Paper No: GT2015-44003
DOI: https://doi.org/10.1115/GT2015-44003
View Paper titled, Design Space Exploration and Optimization of Conceptual Rotorcraft Powerplants
Click here to open pdf in another window PDF for Design Space Exploration and Optimization of Conceptual Rotorcraft Powerplants
Topics: Design, Optimization, Power stations, Engines, Emissions, Engine design, Gas turbines, Weight (Mass), Aerodynamics, Corporate average fuel economy
Journal Articles

Design Space Exploration and Optimization of Conceptual Rotorcraft Powerplants

Fakhre Ali, Konstantinos Tzanidakis, Ioannis Goulos, Vassilios Pachidis, Roberto d'Ippolito
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2015, 137(12): 121701.
Paper No: GTP-15-1264
DOI: https://doi.org/10.1115/1.4031113
Published Online: August 4, 2015
View Article titled, Design Space Exploration and Optimization of Conceptual Rotorcraft Powerplants
Click here to open pdf in another window PDF for Design Space Exploration and Optimization of Conceptual Rotorcraft Powerplants
Topics: Design, Engines, Optimization, Weight (Mass), Fuels, Engine design, Nitrogen oxides
Journal Articles

Multi-objective Optimization of Conceptual Rotorcraft Powerplants: Trade-off Between Rotorcraft Fuel Efficiency and Environmental Impact

Fakhre Ali, Konstantinos Tzanidakis, Ioannis Goulos, Vassilios Pachidis, Roberto d'Ippolito
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2015, 137(7): 071201.
Paper No: GTP-14-1508
DOI: https://doi.org/10.1115/1.4029103
Published Online: July 1, 2015
View Article titled, Multi-objective Optimization of Conceptual Rotorcraft Powerplants: Trade-off Between Rotorcraft Fuel Efficiency and Environmental Impact
Click here to open pdf in another window PDF for Multi-objective Optimization of Conceptual Rotorcraft Powerplants: Trade-off Between Rotorcraft Fuel Efficiency and Environmental Impact
Topics: Design, Engines, Nitrogen oxides, Optimization, Tradeoffs, Pareto optimization, Power stations, Fuel efficiency, Engine design, Emissions
Journal Articles

Multi-objective Optimization of a Regenerative Rotorcraft Powerplant: Trade-off Between Overall Engine Weight and Fuel Economy

Fakhre Ali, Konstantinos Tzanidakis, Ioannis Goulos, Vassilios Pachidis, Roberto d'Ippolito
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2015, 137(12): 121201.
Paper No: GTP-15-1107
DOI: https://doi.org/10.1115/1.4030634
Published Online: June 23, 2015
View Article titled, Multi-objective Optimization of a Regenerative Rotorcraft Powerplant: Trade-off Between Overall Engine Weight and Fuel Economy
Click here to open pdf in another window PDF for Multi-objective Optimization of a Regenerative Rotorcraft Powerplant: Trade-off Between Overall Engine Weight and Fuel Economy
Topics: Design, Engines, Optimization, Weight (Mass), Pareto optimization, Fuel efficiency, Tradeoffs, Power stations, Engine design
Proceedings Papers

A Multidisciplinary Approach for the Comprehensive Assessment of Integrated Rotorcraft–Powerplant Systems at Mission Level

Fakhre Ali, Ioannis Goulos, Konstantinos Tzanidakis, Vassilios Pachidis, Roberto d’Ippolito
Proc. ASME. GT2014, Volume 4A: Combustion, Fuels and Emissions, V04AT04A004, June 16–20, 2014
Paper No: GT2014-25037
DOI: https://doi.org/10.1115/GT2014-25037
View Paper titled, A Multidisciplinary Approach for the Comprehensive Assessment of Integrated Rotorcraft–Powerplant Systems at Mission Level
Click here to open pdf in another window PDF for A Multidisciplinary Approach for the Comprehensive Assessment of Integrated Rotorcraft–Powerplant Systems at Mission Level
Topics: Power stations, Emissions, Nitrogen oxides, Flight, Aircraft, Fuel consumption, Physics, Pollution, Aerodynamics, Combustion chambers
Journal Articles

A Multidisciplinary Approach for the Comprehensive Assessment of Integrated Rotorcraft–Powerplant Systems at Mission Level

Ioannis Goulos, Fakhre Ali, Konstantinos Tzanidakis, Vassilios Pachidis, Roberto d'Ippolito
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2015, 137(1): 012603.
Paper No: GTP-14-1327
DOI: https://doi.org/10.1115/1.4028181
Published Online: August 26, 2014
View Article titled, A Multidisciplinary Approach for the Comprehensive Assessment of Integrated Rotorcraft–Powerplant Systems at Mission Level
Click here to open pdf in another window PDF for A Multidisciplinary Approach for the Comprehensive Assessment of Integrated Rotorcraft–Powerplant Systems at Mission Level
Topics: Combustion chambers, Emissions, Engines, Flight, Fuels, Nitrogen oxides, Power stations, Simulation, Modeling, Rotors