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Ioannis Goulos
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Journal Articles

Propulsion Aerodynamics for a Novel High-Speed Exhaust System

Accepted Manuscript
Spyros Tsentis, Ioannis Goulos, Simon Prince, Vassilios Pachidis, Vladeta Zmijanovic
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
Publisher: ASME
J. Eng. Gas Turbines Power.
Paper No: GTP-23-1339
https://doi.org/10.1115/1.4063416
Published Online: September 13, 2023
View Article titled, Propulsion Aerodynamics for a Novel High-Speed Exhaust System
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Topics: Aerodynamics, Exhaust systems, Propulsion, Cavities, Nozzles, Drag (Fluid dynamics), Architecture, Computation, Flight, Flow (Dynamics)
Journal Articles

On the Effects of Optimal Implementation of Variable Rotor Speed and Power Management on Hybrid-Electric Rotorcraft

Chana Anna Saias, Ioannis Goulos, Vassilios Pachidis, Marko Bacic
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031028.
Paper No: GTP-22-1245
https://doi.org/10.1115/1.4056855
Published Online: February 23, 2023
View Article titled, On the Effects of Optimal Implementation of Variable Rotor Speed and Power Management on Hybrid-Electric Rotorcraft
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Topics: Fuels, Rotors, Engines, Design, Batteries, Weight (Mass), Flight, Optimization
Journal Articles

Design Exploration and Performance Assessment of Advanced Recuperated Hybrid-Electric Urban Air Mobility Rotorcraft

Chana Anna Saias, Ioannis Roumeliotis, Ioannis Goulos, Vassilios Pachidis, Marko Bacic
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031023.
Paper No: GTP-21-1262
https://doi.org/10.1115/1.4052955
Published Online: January 4, 2022
View Article titled, Design Exploration and Performance Assessment of Advanced Recuperated Hybrid-Electric Urban Air Mobility Rotorcraft
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Topics: Cycles, Design, Emissions, Engines, Fuels, Heat exchangers, Power stations, Rotors, Weight (Mass), Cities
Journal Articles

Preliminary Design of Hybrid-Electric Propulsion Systems for Emerging Urban Air Mobility Rotorcraft Architectures

Chana Anna Saias, Ioannis Goulos, Ioannis Roumeliotis, Vassilios Pachidis, Marko Bacic
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111015.
Paper No: GTP-21-1162
https://doi.org/10.1115/1.4052057
Published Online: October 4, 2021
View Article titled, Preliminary Design of Hybrid-Electric Propulsion Systems for Emerging Urban Air Mobility Rotorcraft Architectures
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Topics: Batteries, Design, Propulsion systems, Rotors, Weight (Mass), Gas turbines, Power stations, Fuels, Flight, Engines
Journal Articles

Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement

Calum Scullion, Stavros Vouros, Ioannis Goulos, Devaiah Nalianda, Vassilios Pachidis
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2021, 143(2): 021005.
Paper No: GTP-20-1438
https://doi.org/10.1115/1.4049163
Published Online: January 13, 2021
View Article titled, Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement
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Topics: Design, Engines, Flight, Flow (Dynamics), Fuels, Optimization, Propellers, Rotors, Optimal control, Weight (Mass)
Proceedings Papers

Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement

Calum Scullion, Stavros Vouros, Ioannis Goulos, Devaiah Nalianda, Vassilios Pachidis
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A045, September 21–25, 2020
Paper No: GT2020-16280
https://doi.org/10.1115/GT2020-16280
View Paper titled, Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement
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Topics: Design, Engines, Optimal control, Rotors, Flight, Fuels, Aerodynamics, Aerospace industry, Combustion chambers, Control systems
Journal Articles

Impact of Adverse Environmental Conditions on Rotorcraft Operational Performance and Pollutant Emissions

Jesus Ortiz-Carretero, Alejandro Castillo Pardo, Ioannis Goulos, Vassilios Pachidis
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 021201.
Paper No: GTP-17-1313
https://doi.org/10.1115/1.4037751
Published Online: October 3, 2017
View Article titled, Impact of Adverse Environmental Conditions on Rotorcraft Operational Performance and Pollutant Emissions
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Topics: Emissions, Engines, Flight, Flow (Dynamics), Fuels, Nitrogen oxides, Temperature, Aerodynamics, Pollution, Simulation
Proceedings Papers

Assessment of the Effect of Environmental Conditions on Rotorcraft Pollutant Emissions at Mission Level

Jesus Ortiz-Carretero, Alejandro Castillo Pardo, Vassilios Pachidis, Ioannis Goulos
Proc. ASME. GT2017, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Honors and Awards, V001T01A010, June 26–30, 2017
Paper No: GT2017-63440
https://doi.org/10.1115/GT2017-63440
View Paper titled, Assessment of the Effect of Environmental Conditions on Rotorcraft Pollutant Emissions at Mission Level
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Topics: Emissions, Pollution, Engines, Fuels, Nitrogen oxides, Aerodynamics, Biomedicine, Commercial air transport, Compressors, Computer software
Journal Articles

Techno-Economic Assessment of Gas Turbine Cogeneration Cycles Utilizing Anaerobic Digestion Products for Biogas Fuel

Georgios Kontokostas, Ioannis Goulos
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 011401.
Paper No: GTP-16-1221
https://doi.org/10.1115/1.4034156
Published Online: August 16, 2016
View Article titled, Techno-Economic Assessment of Gas Turbine Cogeneration Cycles Utilizing Anaerobic Digestion Products for Biogas Fuel
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Topics: Biogas, Combined heat and power, Cycles, Fuels, Gas turbines, Power stations, Flow (Dynamics), Temperature, Combustion chambers, Exergy analysis
Journal Articles

Aerodynamic Design of Separate-Jet Exhausts for Future Civil Aero-engines—Part I: Parametric Geometry Definition and Computational Fluid Dynamics Approach

Ioannis Goulos, Tomasz Stankowski, John Otter, David MacManus, Nicholas Grech, Christopher Sheaf
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2016, 138(8): 081201.
Paper No: GTP-15-1538
https://doi.org/10.1115/1.4032649
Published Online: March 15, 2016
View Article titled, Aerodynamic Design of Separate-Jet Exhausts for Future Civil Aero-engines—Part I: Parametric Geometry Definition and Computational Fluid Dynamics Approach
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Topics: Computational fluid dynamics, Design, Engines, Exhaust systems, Flow (Dynamics), Geometry, Nozzles, Aircraft engines
Journal Articles

Aerodynamic Design of Separate-Jet Exhausts for Future Civil Aero-engines—Part II: Design Space Exploration, Surrogate Modeling, and Optimization

Ioannis Goulos, John Otter, Tomasz Stankowski, David MacManus, Nicholas Grech, Christopher Sheaf
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2016, 138(8): 081202.
Paper No: GTP-15-1539
https://doi.org/10.1115/1.4032652
Published Online: March 15, 2016
View Article titled, Aerodynamic Design of Separate-Jet Exhausts for Future Civil Aero-engines—Part II: Design Space Exploration, Surrogate Modeling, and Optimization
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Topics: Design, Engines, Exhaust systems, Optimization, Nozzles
Journal Articles

Generalized Aerodynamic Modeling of Dynamic Wake Curvature for Open Rotors With Slender Blades

Ioannis Goulos
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. June 2016, 138(6): 061001.
Paper No: TURBO-14-1293
https://doi.org/10.1115/1.4032359
Published Online: February 9, 2016
View Article titled, Generalized Aerodynamic Modeling of Dynamic Wake Curvature for Open Rotors With Slender Blades
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Topics: Blades, Rotors, Wakes, Inflow, Flow (Dynamics), Vortices, Disks, Modeling
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
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
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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
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
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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
https://doi.org/10.1115/GT2015-44003
View Paper titled, Design Space Exploration and Optimization of Conceptual Rotorcraft Powerplants
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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
https://doi.org/10.1115/1.4031113
Published Online: August 4, 2015
View Article titled, Design Space Exploration and Optimization of Conceptual Rotorcraft Powerplants
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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
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
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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
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
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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
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
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Topics: Power stations, Emissions, Nitrogen oxides, Flight, Aircraft, Fuel consumption, Physics, Pollution, Aerodynamics, Combustion chambers
Proceedings Papers

Techno–Economic Evaluation of Recuperated Gas Turbine Cogeneration Cycles Utilizing Animal Manure and Energy Crops for Biogas Fuel

Georgios Kontokostas, Ioannis Goulos, Anastassios Stamatis
Proc. ASME. GT2014, Volume 3A: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration, V03AT03A004, June 16–20, 2014
Paper No: GT2014-25308
https://doi.org/10.1115/GT2014-25308
View Paper titled, Techno–Economic Evaluation of Recuperated Gas Turbine Cogeneration Cycles Utilizing Animal Manure and Energy Crops for Biogas Fuel
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Topics: Biogas, Combined heat and power, Cycles, Economic analysis, Fuels, Gas turbines, Electricity (Physics), Modeling, Power stations, Sustainability