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Proceedings Papers

Navigating Technological Risks: an Uncertainty Analysis of Powertrain Technology in Hybrid-Electric Commuter Aircraft

Dimitra-Eirini Diamantidou, Jerol Soibam, Valentina Zaccaria, Anestis Kalfas
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A025, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127421
https://doi.org/10.1115/GT2024-127421
View Paper titled, Navigating Technological Risks: an Uncertainty Analysis of Powertrain Technology in Hybrid-Electric Commuter Aircraft
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Topics: Aircraft, Optimization, Uncertainty analysis, Batteries, Design, Uncertainty, Deep neural networks, Density, Electrochemical impedance spectroscopy, Energy consumption
Proceedings Papers

Synergetic and Performance Characteristics of a High-Speed Pre-Cooled Propulsion Concept

Athanasios Chatzistefanou, Spyros Tsentis, Anestis Kalfas
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122425
https://doi.org/10.1115/GT2024-122425
View Paper titled, Synergetic and Performance Characteristics of a High-Speed Pre-Cooled Propulsion Concept
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Topics: Combined cycles, Design, Engines, Modeling, Performance characterization, Propulsion, Cycles, Ducts, Impulse (Physics), Thrust
Proceedings Papers

A Comprehensive Educational App for Propulsion Systems

Spyros Tsentis, Aggelos Gaitanis, Vasilis Gkoutzamanis, Anestis Kalfas
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T07A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122280
https://doi.org/10.1115/GT2024-122280
View Paper titled, A Comprehensive Educational App for Propulsion Systems
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Topics: Propulsion, Propulsion systems, Students, Ramjets, Aerospace industry, Architecture, Combined cycles, Cycles, Education, Engines
Journal Articles

On the Potential of Biomass-Fueled Externally Fired Micro-Gas Turbines in the Energy Transition: Off-Design Performance Analysis

Konstantinos Bollas, Reyhaneh Banihabib, Mohsen Assadi, Anestis Kalfas
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2024, 146(11): 111009.
Paper No: GTP-24-1065
https://doi.org/10.1115/1.4065884
Published Online: July 20, 2024
View Article titled, On the Potential of Biomass-Fueled Externally Fired Micro-Gas Turbines in the Energy Transition: Off-Design Performance Analysis
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Topics: Biomass, Design, Flow (Dynamics), Fuels, Stress, Temperature, Turbines, Pressure, Electricity (Physics), Artificial neural networks
Proceedings Papers

Coarse Droplet Measurement at the Last Stage Stator Exit of a Four-Stage Scaled Steam Turbine Using an Optical Backscatter Probe

Yasuhiro Sasao, Shigeki Senoo, Ilias Bosdas, Anestis Kalfas
Proc. ASME. GT2023, Volume 10: Steam Turbine, V010T20A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103378
https://doi.org/10.1115/GT2023-103378
View Paper titled, Coarse Droplet Measurement at the Last Stage Stator Exit of a Four-Stage Scaled Steam Turbine Using an Optical Backscatter Probe
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Topics: Backscattering, Drops, Erosion, Probes, Stators, Steam turbines, Computational fluid dynamics, Flow (Dynamics), Blades, Damage
Proceedings Papers

Numerical Investigation of Bladeless Compressor on Different Disk Spaces and Diffuser Configurations

Ravi Nath Tiwari, Konstantinos Eleftheriou, Mario Luigi Ferrari, Theofilos Efstathiadis, Alberto Traverso, Anestis Kalfas
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80167
https://doi.org/10.1115/GT2022-80167
View Paper titled, Numerical Investigation of Bladeless Compressor on Different Disk Spaces and Diffuser Configurations
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Topics: Compressors, Diffusers, Disks, Space, Turbomachinery
Journal Articles

Numerical Investigation of Bladeless Compressor on Different Disk Spaces and Diffuser Configurations

Ravi Nath Tiwari, Konstantinos Eleftheriou, Mario Luigi Ferrari, Theofilos Efstathiadis, Alberto Traverso, Anestis Kalfas
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011017.
Paper No: GTP-22-1339
https://doi.org/10.1115/1.4055705
Published Online: October 21, 2022
View Article titled, Numerical Investigation of Bladeless Compressor on Different Disk Spaces and Diffuser Configurations
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Topics: Compressors, Diffusers, Disks, Flow (Dynamics), Pressure, Rotors, Design, Turbomachinery
Journal Articles

Off-Design Performance Comparison Between Single and Two-Shaft Engines Part 1—Fixed Geometry

Theoklis Nikolaidis, Alvise Pellegrini, Herbert I. H. Saravanamuttoo, Ioanna Aslanidou, Anestis Kalfas, Pericles Pilidis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2022, 144(8): 081006.
Paper No: GTP-22-1157
https://doi.org/10.1115/1.4054749
Published Online: June 16, 2022
View Article titled, Off-Design Performance Comparison Between Single and Two-Shaft Engines Part 1—Fixed Geometry
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Topics: Cycles, Design, Engines, Thermal efficiency, Compressors, Gas turbines, Stress, Flow (Dynamics)
Proceedings Papers

Unsteady Steam Turbine Optimization Using High Fidelity CFD

Vahid Iranidokht, Ilias Papagiannis, Anestis Kalfas, Reza Abhari, Shigeki Senoo, Kazuhiro Momma
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14674
https://doi.org/10.1115/GT2020-14674
View Paper titled, Unsteady Steam Turbine Optimization Using High Fidelity CFD
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Topics: Computational fluid dynamics, Optimization, Steam turbines
Proceedings Papers

An Additively Manufactured Four Sensor Fast Response Aerodynamic Probe

Alexandros Chasoglou, Panagiotis Tsirikoglou, Anestis Kalfas, Reza Abhari
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A016, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15081
https://doi.org/10.1115/GT2020-15081
View Paper titled, An Additively Manufactured Four Sensor Fast Response Aerodynamic Probe
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Topics: Additive manufacturing, Probes, Sensors
Proceedings Papers

Performance Assessment of an Integrated Parallel Hybrid-Electric Propulsion System Aircraft

Smruti Sahoo, Xin Zhao, Konstantinos G. Kyprianidis, Anestis Kalfas
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A018, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91459
https://doi.org/10.1115/GT2019-91459
View Paper titled, Performance Assessment of an Integrated Parallel Hybrid-Electric Propulsion System Aircraft
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Topics: Aircraft, Propulsion systems, Engines, Design, Electricity (Physics), Energy consumption, Aviation, Electric propulsion, Engine design, Fuel consumption
Proceedings Papers

Unmanned Air Vehicle Interdisciplinary Design Project

Ioannis Templalexis, Theodore Lekas, Agelos Koutsomichalis, Anestis Kalfas
Proc. ASME. GT2016, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T07A004, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56225
https://doi.org/10.1115/GT2016-56225
View Paper titled, Unmanned Air Vehicle Interdisciplinary Design Project
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Topics: Design, Unmanned aerial vehicles, Aircraft, Teams, Military systems, Propulsion systems, Air Force, Maintenance, Materials science, Mechanical engineering
Journal Articles

Effects of Swirl Velocities From Fan Assemblies Mounted on Lifting Surfaces

Alexandros Terzis, Charilaos Kazakos, Nikolaos Papadopoulos, Anestis Kalfas, Pavlos K. Zachos, Pericles Pilidis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2011, 133(3): 031702.
https://doi.org/10.1115/1.4002099
Published Online: November 11, 2010
View Article titled, Effects of Swirl Velocities From Fan Assemblies Mounted on Lifting Surfaces
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Topics: Aircraft, Blades, Cooling, Fans, Film cooling, Flow (Dynamics), Fluids, Jets, Kidney, Rotation
Proceedings Papers

A Partially Integrated Approach to Component Zooming Using Computational Fluid Dynamics

Vassilios Pachidis, Pericles Pilidis, Geoffrey Guindeuil, Anestis Kalfas, Ioannis Templalexis
Proc. ASME. GT2005, Volume 1: Turbo Expo 2005, 103-111, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68457
https://doi.org/10.1115/GT2005-68457
View Paper titled, A Partially Integrated Approach to Component Zooming Using Computational Fluid Dynamics
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Topics: Computational fluid dynamics, Gas turbines
Proceedings Papers

A Fully Integrated Approach to Component Zooming Using Computational Fluid Dynamics

Vassilios Pachidis, Pericles Pilidis, Fabien Talhouarn, Anestis Kalfas, Ioannis Templalexis
Proc. ASME. GT2005, Volume 5: Turbo Expo 2005, 191-199, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68458
https://doi.org/10.1115/GT2005-68458
View Paper titled, A Fully Integrated Approach to Component Zooming Using Computational Fluid Dynamics
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Topics: Computational fluid dynamics, Gas turbines
Journal Articles

A Fully Integrated Approach to Component Zooming Using Computational Fluid Dynamics

Vassilios Pachidis, Pericles Pilidis, Fabien Talhouarn, Anestis Kalfas, Ioannis Templalexis
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2006, 128(3): 579–584.
https://doi.org/10.1115/1.2135815
Published Online: March 1, 2004
View Article titled, A Fully Integrated Approach to Component Zooming Using Computational Fluid Dynamics
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Topics: Computational fluid dynamics, Engines, Simulation, Cycles, Gas turbines, Pressure, Flow (Dynamics)