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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

Paper No: GT2020-14460

DOI: https://doi.org/10.1115/GT2020-14460

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Topics: Design, Solid oxide fuel cells, Testing, Anodes, High temperature, Cooling, Pressure, Temperature

Proceedings Papers

Experimental and Analytical Analysis of Aero-Derivative Micro Gas Turbine Heat Transfer and Performance

Aki Grönman, Petri Sallinen, Juha Honkatukia, Jari Backman, Antti Uusitalo, Janne Nerg, Ahti Jaatinen-Värri

Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A001, June 17–21, 2019

Paper No: GT2019-90010

DOI: https://doi.org/10.1115/GT2019-90010

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Topics: Heat transfer, Micro gas turbines, Generators, Cooling, Machinery, Design, Engines, Experimental analysis, Flow (Dynamics), Gas turbines

Journal Articles

Centrifugal Compressor Design for Near-Critical Point Applications

Alireza Ameli, Ali Afzalifar, Teemu Turunen-Saaresti, Jari Backman

J. Eng. Gas Turbines Power. March 2019, 141(3): 031016.

Paper No: GTP-18-1336

DOI: https://doi.org/10.1115/1.4040691

Published Online: October 5, 2018

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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

J. Eng. Gas Turbines Power. December 2018, 140(12): 122604.

Paper No: GTP-18-1197

DOI: https://doi.org/10.1115/1.4040577

Published Online: August 30, 2018

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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

Paper No: GT2018-75067

DOI: https://doi.org/10.1115/GT2018-75067

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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

J. Turbomach. May 2018, 140(5): 051003.

Paper No: TURBO-17-1192

DOI: https://doi.org/10.1115/1.4038872

Published Online: February 27, 2018

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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

J. Eng. Gas Turbines Power. June 2018, 140(6): 062603.

Paper No: GTP-17-1526

DOI: https://doi.org/10.1115/1.4038552

Published Online: January 23, 2018

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Topics: Compressors, Flow (Dynamics), Boundary-value problems, Simulation, Pressure, Fluids, Supercritical carbon dioxide

Proceedings Papers

Three Spool High Efficiency Small Scale Gas Turbine Concept

Matti Malkamäki, Ahti Jaatinen-Värri, Antti Uusitalo, Aki Grönman, Juha Honkatukia, Jari Backman, Toni Hartikainen

Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A022, June 26–30, 2017

Paper No: GT2017-64361

DOI: https://doi.org/10.1115/GT2017-64361

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Topics: Gas turbines, Electrical efficiency, Piston engines, Distributed power generation, Energy generation, Heat, Turbines, Compressors, Construction, Design

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

Paper No: GT2017-63570

DOI: https://doi.org/10.1115/GT2017-63570

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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

A Comparison of Small-Scale Gas Turbine Control Schemes

Ahti Jaatinen-Värri, Jari Backman, Juha Honkatukia, Matti Malkamäki

Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A020, June 26–30, 2017

Paper No: GT2017-64329

DOI: https://doi.org/10.1115/GT2017-64329

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Topics: Gas turbines, Stress, Combined heat and power, Distributed power generation, Machinery, Biogas, Electrical efficiency, Energy generation, Fuels, Generators

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

Paper No: GT2017-63268

DOI: https://doi.org/10.1115/GT2017-63268

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Topics: Boundary layers, Compressors, Blades, Flow (Dynamics), Cascades (Fluid dynamics), Pressure gradient, Turbomachinery, Wakes

Proceedings Papers

Numerical Study of the Reynolds Number Effect on the Centrifugal Compressor Performance and Losses

Jonna Tiainen, Ahti Jaatinen-Värri, Aki Grönman, Jari Backman

Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A002, June 13–17, 2016

Paper No: GT2016-56036

DOI: https://doi.org/10.1115/GT2016-56036

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Topics: Compressors, Reynolds number, Blades, Boundary layers, Chords (Trusses), Impellers, Shear stress, Vorticity

Proceedings Papers

Experiences From Changing the Study Platform of Turbomachinery Course From Blended Education to Problem Based Learning

Aki Grönman, Jari Backman, Ahti Jaatinen-Värri, Kaisa Grönman

Proc. ASME. GT2016, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T07A003, June 13–17, 2016

Paper No: GT2016-56200

DOI: https://doi.org/10.1115/GT2016-56200

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Topics: Education, Turbomachinery, Students, Design, Engineering teachers, Feedback, Teaching

Proceedings Papers

Design of a 400 kW Gas Turbine Prototype

Ahti Jaatinen-Värri, Janne Nerg, Antti Uusitalo, Behnam Ghalamchi, Nikita Uzhegov, Alexander Smirnov, Eerik Sikanen, Aki Grönman, Jari Backman, Matti Malkamäki

Proc. ASME. GT2016, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T23A007, June 13–17, 2016

Paper No: GT2016-56444

DOI: https://doi.org/10.1115/GT2016-56444

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Topics: Design, Engineering prototypes, Gas turbines, Generators, Piston engines, Bearing design, Bearings, Combustion chambers, Compressors, Design engineering

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

Paper No: GT2016-57481

DOI: https://doi.org/10.1115/GT2016-57481

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Topics: Compressors, Flow (Dynamics), Supercritical carbon dioxide, Fluids, Compression, Density, Brayton cycle, Carbon dioxide, Computational fluid dynamics, Pressure

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

Paper No: GT2015-42620

DOI: https://doi.org/10.1115/GT2015-42620

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Topics: Design, Engineering prototypes, Micro gas turbines, Engines, Generators, Fuel consumption, Jet engines, Aircraft, Boats, Earthquakes

Proceedings Papers

Numerical Investigation of Centrifugal Compressor Tip Clearance

Ahti Jaatinen-Värri, Teemu Turunen-Saaresti, Aki Grönman, Jari Backman, Jonna Tiainen

Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A028, June 15–19, 2015

Paper No: GT2015-43199

DOI: https://doi.org/10.1115/GT2015-43199

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Topics: Clearances (Engineering), Compressors, Blades, Flow (Dynamics), Impellers, Suction, Diffusers, Pressure, Wakes

Proceedings Papers

Refrigeration Process With High Speed Technology

Maunu Kuosa, Jari Backman, Timo Talonpoika, Petri Sallinen, Jaakko Larjola, Juha Honkatukia

Proc. ASME. GT1998, Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V003T08A027, June 2–5, 1998

Paper No: 98-GT-532

DOI: https://doi.org/10.1115/98-GT-532

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Topics: Refrigeration, Fluids, Compressors, Bubbles, Stress, Computer software, Cooling, Machinery, Modeling, Organic Rankine cycle

Proceedings Papers

Wind Profile Effect on Small Wind Turbine Noise Generation

Aki Grönman, Jari Backman, Anna Avramenko

Proc. ASME. GT2014, Volume 3B: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Supercritical CO2 Power Cycles; Wind Energy, V03BT46A012, June 16–20, 2014

Paper No: GT2014-25622

DOI: https://doi.org/10.1115/GT2014-25622

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Topics: Noise (Sound), Wind, Wind turbines, Modeling, Turbines, Acoustics, Aerodynamic noise, Blades, Computer simulation, Energy generation

Proceedings Papers

Experimental Study of the Effect of the Tip Clearance to the Diffuser Flow Field and Stage Performance of a Centrifugal Compressor

Ahti Jaatinen, Teemu Turunen-Saaresti, Aki Grönman, Pekka Röyttä, Jari Backman

Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 641-648, June 11–15, 2012

Paper No: GT2012-68445

DOI: https://doi.org/10.1115/GT2012-68445

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Topics: Clearances (Engineering), Compressors, Diffusers, Flow (Dynamics), Pressure, Probes, Impellers, Blades, Temperature

Journal citation

NARROW

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

Experimental and Analytical Analysis of Aero-Derivative Micro Gas Turbine Heat Transfer and Performance

Centrifugal Compressor Design for Near-Critical Point Applications

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

Centrifugal Compressor Design for Near-Critical Point Applications

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

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

Three Spool High Efficiency Small Scale Gas Turbine Concept

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

A Comparison of Small-Scale Gas Turbine Control Schemes

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

Numerical Study of the Reynolds Number Effect on the Centrifugal Compressor Performance and Losses

Experiences From Changing the Study Platform of Turbomachinery Course From Blended Education to Problem Based Learning

Design of a 400 kW Gas Turbine Prototype

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

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

Numerical Investigation of Centrifugal Compressor Tip Clearance

Refrigeration Process With High Speed Technology

Wind Profile Effect on Small Wind Turbine Noise Generation

Experimental Study of the Effect of the Tip Clearance to the Diffuser Flow Field and Stage Performance of a Centrifugal Compressor

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