1-20 of 36
Ioannis Goulos
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Cavity Impact on the Base Flow Unsteadiness for a High-Speed Exhaust System

Spyros Tsentis, Ioannis Goulos, Simon Prince, Vassilios Pachidis, Vladeta Zmijanovic
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A040, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126486
https://doi.org/10.1115/GT2024-126486
View Paper titled, Cavity Impact on the Base Flow Unsteadiness for a High-Speed Exhaust System
Open the PDF for Cavity Impact on the Base Flow Unsteadiness for a High-Speed Exhaust System in another window
Topics: Cavities, Exhaust systems, Flow (Dynamics), Flow control, Stress
Journal Articles

Impact of Installation on the Performance of an Aero-Engine Exhaust at Wind-Milling Flow Conditions

Ioannis Goulos, David MacManus, Josep Hueso Rebassa, Fernando Tejero, Andy Au, Christopher Sheaf
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081002.
Paper No: GTP-23-1540
https://doi.org/10.1115/1.4063939
Published Online: February 1, 2024
View Article titled, Impact of Installation on the Performance of an Aero-Engine Exhaust at Wind-Milling Flow Conditions
Open the PDF for Impact of Installation on the Performance of an Aero-Engine Exhaust at Wind-Milling Flow Conditions in another window
Topics: Computational fluid dynamics, Exhaust systems, Flow (Dynamics), Milling, Nozzles, Pressure, Wind, Wings, Tertiary petroleum recovery, Aircraft engines
Journal Articles

Propulsion Aerodynamics for a Novel High-Speed Exhaust System

Spyros Tsentis, Ioannis Goulos, Simon Prince, Vassilios Pachidis, Vladeta Zmijanovic
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121011.
Paper No: GTP-23-1339
https://doi.org/10.1115/1.4063416
Published Online: October 17, 2023
View Article titled, Propulsion Aerodynamics for a Novel High-Speed Exhaust System
Open the PDF for Propulsion Aerodynamics for a Novel High-Speed Exhaust System in another window
Topics: Cavities, Design, Drag (Fluid dynamics), Exhaust systems, Flow (Dynamics), Nozzles, Pressure, Aerodynamics, Flow separation, Separation (Technology)
Proceedings Papers

Propulsion Aerodynamics for a Novel High-Speed Exhaust System

Spyros Tsentis, Ioannis Goulos, Simon Prince, Vassilios Pachidis, Vladeta Zmijanovic
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101005
https://doi.org/10.1115/GT2023-101005
View Paper titled, Propulsion Aerodynamics for a Novel High-Speed Exhaust System
Open the PDF for Propulsion Aerodynamics for a Novel High-Speed Exhaust System in another window
Topics: Aerodynamics, Cavities, Drag (Fluid dynamics), Exhaust systems, Nozzles, Propulsion
Proceedings Papers

Impact of Installation on the Performance of an Aero-Engine Exhaust at Wind-Milling Flow Conditions

Ioannis Goulos, David MacManus, Josep Hueso Rebassa, Fernando Tejero, Andy Au, Christopher Sheaf
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100833
https://doi.org/10.1115/GT2023-100833
View Paper titled, Impact of Installation on the Performance of an Aero-Engine Exhaust at Wind-Milling Flow Conditions
Open the PDF for Impact of Installation on the Performance of an Aero-Engine Exhaust at Wind-Milling Flow Conditions in another window
Topics: Aircraft engines, Exhaust systems, Flow (Dynamics), Milling, Wind, Nozzles, Pressure, Wings, Discharge coefficient, Tertiary petroleum recovery
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
Publisher: ASME
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
Open the PDF for On the Effects of Optimal Implementation of Variable Rotor Speed and Power Management on Hybrid-Electric Rotorcraft in another window
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
Publisher: ASME
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
Open the PDF for Design Exploration and Performance Assessment of Advanced Recuperated Hybrid-Electric Urban Air Mobility Rotorcraft in another window
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
Publisher: ASME
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
Open the PDF for Preliminary Design of Hybrid-Electric Propulsion Systems for Emerging Urban Air Mobility Rotorcraft Architectures in another window
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
Publisher: ASME
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
Open the PDF for Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement in another window
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16280
https://doi.org/10.1115/GT2020-16280
View Paper titled, Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement
Open the PDF for Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement in another window
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
Publisher: ASME
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
Open the PDF for Impact of Adverse Environmental Conditions on Rotorcraft Operational Performance and Pollutant Emissions in another window
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
Publisher: American Society of Mechanical Engineers
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
Open the PDF for Assessment of the Effect of Environmental Conditions on Rotorcraft Pollutant Emissions at Mission Level in another window
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
Publisher: ASME
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
Open the PDF for Techno-Economic Assessment of Gas Turbine Cogeneration Cycles Utilizing Anaerobic Digestion Products for Biogas Fuel in another window
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
Publisher: ASME
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
Open the PDF for Aerodynamic Design of Separate-Jet Exhausts for Future Civil Aero-engines—Part I: Parametric Geometry Definition and Computational Fluid Dynamics Approach in another window
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
Publisher: ASME
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
Open the PDF for Aerodynamic Design of Separate-Jet Exhausts for Future Civil Aero-engines—Part II: Design Space Exploration, Surrogate Modeling, and Optimization in another window
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
Publisher: ASME
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
Open the PDF for Generalized Aerodynamic Modeling of Dynamic Wake Curvature for Open Rotors With Slender Blades in another window
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
Publisher: ASME
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
Open the PDF for A Preliminary Design Tradeoff Study for an Advanced Propulsion Technology Rotorcraft at Mission Level in another window
Topics: Engines, Simulation, Weight (Mass), Fuels, Design, Propulsion, Tradeoffs, Gas turbines, Flight
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-44003
https://doi.org/10.1115/GT2015-44003
View Paper titled, Design Space Exploration and Optimization of Conceptual Rotorcraft Powerplants
Open the PDF for Design Space Exploration and Optimization of Conceptual Rotorcraft Powerplants in another window
Topics: Design, Optimization, Power stations, Engines, Emissions, Engine design, Gas turbines, Weight (Mass), Aerodynamics, Corporate average fuel economy
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
Publisher: American Society of Mechanical Engineers
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
Open the PDF for Multi-Objective Optimization of a Regenerative Rotorcraft Powerplant: Quantification of Fuel Economy and Environmental Impact in another window
Topics: Corporate average fuel economy, Fuel efficiency, Pareto optimization, Power stations, Engines, Design, Pressure, Compressors, Emissions, Engine design
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
Publisher: ASME
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
Open the PDF for Design Space Exploration and Optimization of Conceptual Rotorcraft Powerplants in another window
Topics: Design, Engines, Optimization, Weight (Mass), Fuels, Engine design, Nitrogen oxides