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Proceedings Papers

Effects of Supercritical CO2 Fluid Properties on Heat Exchanger Design

Afonso Lugo, Teemu Turunen-Saaresti, Jonna Tiainen
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101612
https://doi.org/10.1115/GT2023-101612
View Paper titled, Effects of Supercritical CO2 Fluid Properties on Heat Exchanger Design
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Topics: Computational fluid dynamics, Design, Fluids, Heat exchangers, Supercritical carbon dioxide
Proceedings Papers

Hydrogen Compression - Towards a New Strategy for the Design of Hydrogen Compressors

Jonna Tiainen, Teemu Turunen-Saaresti, Mikko Mäki-Iso, Sebastian Schuster, Dieter Brillert
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT35A001, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78626
https://doi.org/10.1115/GT2022-78626
View Paper titled, Hydrogen Compression - Towards a New Strategy for the Design of Hydrogen Compressors
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Topics: Compression, Compressors, Design, Hydrogen, Impellers, Blades, Flow (Dynamics), Transportation systems, Energy storage, Pipelines
Proceedings Papers

Design and Testing of a Hot Gas Blower for Solid Oxide Fuel Cell Applications

Juha Honkatukia, Ahti Jaatinen-Värri, Teemu Turunen-Saaresti, Aki Grönman, Petri Sallinen, Jari Backman
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A004, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14460
https://doi.org/10.1115/GT2020-14460
View Paper titled, Design and Testing of a Hot Gas Blower for Solid Oxide Fuel Cell Applications
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Topics: Design, Solid oxide fuel cells, Testing, Anodes, High temperature, Cooling, Pressure, Temperature
Proceedings Papers

Dynamic Modelling of Small Scale and High Temperature ORC System Using Simulink and CoolProp

Radheesh Dhanasegaran, Antti Uusitalo, Teemu Turunen-Saaresti
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T22A003, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15314
https://doi.org/10.1115/GT2020-15314
View Paper titled, Dynamic Modelling of Small Scale and High Temperature ORC System Using Simulink and CoolProp
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Topics: Dynamic modeling, High temperature, Organic Rankine cycle, Dynamic models, Cycles, Design, Exhaust systems, Modeling, Pumps, Turbogenerators
Journal Articles

Centrifugal Compressor Design for Near-Critical Point Applications

Alireza Ameli, Ali Afzalifar, Teemu Turunen-Saaresti, Jari Backman
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2019, 141(3): 031016.
Paper No: GTP-18-1336
https://doi.org/10.1115/1.4040691
Published Online: October 5, 2018
View Article titled, Centrifugal Compressor Design for Near-Critical Point Applications
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Topics: Blades, Compressors, Design, Skin friction (Fluid dynamics), Impellers, Enthalpy, Flow (Dynamics)
Journal Articles

Numerical Investigation of the Flow Behavior Inside a Supercritical CO 2 Centrifugal Compressor

Alireza Ameli, Teemu Turunen-Saaresti, Jari Backman
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 122604.
Paper No: GTP-18-1197
https://doi.org/10.1115/1.4040577
Published Online: August 30, 2018
View Article titled, Numerical Investigation of the Flow Behavior Inside a Supercritical CO 2 Centrifugal Compressor
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Topics: Compressors, Flow (Dynamics), Fluids, Pressure, Resolution (Optics), Simulation, Supercritical carbon dioxide, Temperature, Carbon dioxide, Computational fluid dynamics
Proceedings Papers

Centrifugal Compressor Design for Near-Critical Point Applications

Alireza Ameli, Ali Afzalifar, Teemu Turunen-Saaresti, Jari Backman
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75067
https://doi.org/10.1115/GT2018-75067
View Paper titled, Centrifugal Compressor Design for Near-Critical Point Applications
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Topics: Compressors, Design, Brayton cycle, Design methodology, Compressibility, Cycles, Energy conversion, Enthalpy, Skin friction (Fluid dynamics), Supercritical carbon dioxide
Journal Articles

Effect of FreeStream Velocity Definition on Boundary Layer Thickness and Losses in Centrifugal Compressors

Jonna Tiainen, Ahti Jaatinen-Värri, Aki Grönman, Teemu Turunen-Saaresti, Jari Backman
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2018, 140(5): 051003.
Paper No: TURBO-17-1192
https://doi.org/10.1115/1.4038872
Published Online: February 27, 2018
View Article titled, Effect of FreeStream Velocity Definition on Boundary Layer Thickness and Losses in Centrifugal Compressors
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Topics: Blades, Boundary layers, Compressors, Flow (Dynamics)
Journal Articles

Effects of Real Gas Model Accuracy and Operating Conditions on Supercritical CO 2 Compressor Performance and Flow Field

Alireza Ameli, Ali Afzalifar, Teemu Turunen-Saaresti, Jari Backman
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 062603.
Paper No: GTP-17-1526
https://doi.org/10.1115/1.4038552
Published Online: January 23, 2018
View Article titled, Effects of Real Gas Model Accuracy and Operating Conditions on Supercritical CO 2 Compressor Performance and Flow Field
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Topics: Compressors, Flow (Dynamics), Boundary-value problems, Simulation, Pressure, Fluids, Supercritical carbon dioxide
Journal Articles

Comparison of Moment-Based Methods for Representing Droplet Size Distributions in Supersonic Nucleating Flows of Steam

Ali Afzalifar, Teemu Turunen-Saaresti, Aki Grönman
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2018, 140(2): 021301.
Paper No: FE-16-1486
https://doi.org/10.1115/1.4037979
Published Online: October 19, 2017
View Article titled, Comparison of Moment-Based Methods for Representing Droplet Size Distributions in Supersonic Nucleating Flows of Steam
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Topics: Drops, Flow (Dynamics), Nozzles, Nucleation (Physics), Pressure, Steam
Proceedings Papers

Effect of Free-Stream Velocity Definition on Boundary Layer Thickness and Losses in Centrifugal Compressors

Jonna Tiainen, Ahti Jaatinen-Värri, Aki Grönman, Teemu Turunen-Saaresti, Jari Backman
Proc. ASME. GT2017, Volume 2C: Turbomachinery, V02CT44A006, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63268
https://doi.org/10.1115/GT2017-63268
View Paper titled, Effect of Free-Stream Velocity Definition on Boundary Layer Thickness and Losses in Centrifugal Compressors
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Topics: Boundary layers, Compressors, Blades, Flow (Dynamics), Cascades (Fluid dynamics), Pressure gradient, Turbomachinery, Wakes
Proceedings Papers

Quantification of Stator Blade Shape Influence on Non-Equilibrium Condensation in Low-Pressure Steam Turbine

Giteshkumar Patel, Yogini Patel, Teemu Turunen-Saaresti, Aki Grönman
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A028, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64278
https://doi.org/10.1115/GT2017-64278
View Paper titled, Quantification of Stator Blade Shape Influence on Non-Equilibrium Condensation in Low-Pressure Steam Turbine
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Topics: Blades, Condensation, Equilibrium (Physics), Pressure, Shapes, Stators, Steam turbines, Flow (Dynamics), Steam, Cascades (Fluid dynamics)
Proceedings Papers

Effects of Real Gas Model Accuracy and Operating Conditions on Supercritical CO2 Compressor Performance and Flow Field

Alireza Ameli, Ali Afzalifar, Teemu Turunen-Saaresti, Jari Backman
Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A011, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63570
https://doi.org/10.1115/GT2017-63570
View Paper titled, Effects of Real Gas Model Accuracy and Operating Conditions on Supercritical CO2 Compressor Performance and Flow Field
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Topics: Compressors, Flow (Dynamics), Supercritical carbon dioxide, Cycles, Brayton cycle, Boundary-value problems, Carbon dioxide, Energy conversion, Energy resources, Fluids
Proceedings Papers

Influence of Turbulence Modelling to Condensing Steam Flow in the 3D Low-Pressure Steam Turbine Stage

Yogini Patel, Giteshkumar Patel, Teemu Turunen-Saaresti
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A036, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57590
https://doi.org/10.1115/GT2016-57590
View Paper titled, Influence of Turbulence Modelling to Condensing Steam Flow in the 3D Low-Pressure Steam Turbine Stage
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Topics: Flow (Dynamics), Modeling, Pressure, Steam, Steam turbines, Turbulence, Turbines, Computational fluid dynamics, Cascades (Fluid dynamics), Condensation
Proceedings Papers

Non-Realizability Problem With Quadrature Method of Moments in Wet-Steam Flows and Solution Techniques

Ali Afzalifar, Teemu Turunen-Saaresti, Aki Grönman
Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A040, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57796
https://doi.org/10.1115/GT2016-57796
View Paper titled, Non-Realizability Problem With Quadrature Method of Moments in Wet-Steam Flows and Solution Techniques
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Topics: Flow (Dynamics), Method of moments, Steam, Drops, Computer simulation, Failure, Resolution (Optics), Shapes
Proceedings Papers

Numerical Investigation of the Flow Behavior Inside a Supercritical CO 2 Centrifugal Compressor

Alireza Ameli, Teemu Turunen-Saaresti, Jari Backman
Proc. ASME. GT2016, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T36A014, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57481
https://doi.org/10.1115/GT2016-57481
View Paper titled, Numerical Investigation of the Flow Behavior Inside a Supercritical CO 2 Centrifugal Compressor
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Topics: Compressors, Flow (Dynamics), Supercritical carbon dioxide, Fluids, Compression, Density, Brayton cycle, Carbon dioxide, Computational fluid dynamics, Pressure
Journal Articles

Nonrealizability Problem With Quadrature Method of Moments in Wet-Steam Flows and Solution Techniques

Ali Afzalifar, Teemu Turunen-Saaresti, Aki Grönman
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 012602.
Paper No: GTP-16-1250
https://doi.org/10.1115/1.4034196
Published Online: August 16, 2016
View Article titled, Nonrealizability Problem With Quadrature Method of Moments in Wet-Steam Flows and Solution Techniques
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Topics: Drops, Flow (Dynamics), Method of moments, Nozzles, Steam, Nucleation (Physics), Computer simulation, Condensation
Journal Articles

Organic Rankine Cycle Power Systems: From the Concept to Current Technology, Applications, and an Outlook to the Future

Piero Colonna, Emiliano Casati, Carsten Trapp, Tiemo Mathijssen, Jaakko Larjola, Teemu Turunen-Saaresti, Antti Uusitalo
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Review Articles
J. Eng. Gas Turbines Power. October 2015, 137(10): 100801.
Paper No: GTP-14-1658
https://doi.org/10.1115/1.4029884
Published Online: October 1, 2015
View Article titled, Organic Rankine Cycle Power Systems: From the Concept to Current Technology, Applications, and an Outlook to the Future
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Topics: Fluids, Organic Rankine cycle, Power stations, Power systems (Machinery), Temperature, Turbines, Cycles, Heat recovery, Heat
Proceedings Papers

Influence of Trailing Edge Geometry on the Condensing Steam Flow in Low-Pressure Steam Turbine

Giteshkumar Patel, Yogini Patel, Teemu Turunen-Saaresti
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A027, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43189
https://doi.org/10.1115/GT2015-43189
View Paper titled, Influence of Trailing Edge Geometry on the Condensing Steam Flow in Low-Pressure Steam Turbine
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Topics: Flow (Dynamics), Geometry, Pressure, Steam, Steam turbines, Computational fluid dynamics, Cascades (Fluid dynamics), Condensation, Nucleation (Physics), Shapes
Proceedings Papers

Design and Performance Measurements of a 6 kW High-Speed Micro Gas Turbine Prototype

Aki Grönman, Juha Honkatukia, Petri Sallinen, Jari Backman, Antti Uusitalo, Teemu Turunen-Saaresti, Ahti Jaatinen-Värri
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A005, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42620
https://doi.org/10.1115/GT2015-42620
View Paper titled, Design and Performance Measurements of a 6 kW High-Speed Micro Gas Turbine Prototype
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Topics: Design, Engineering prototypes, Micro gas turbines, Engines, Generators, Fuel consumption, Jet engines, Aircraft, Boats, Earthquakes