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Proceedings Papers

Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials

Chiara Gastaldi, Muzio M. Gola
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A026, June 13–17, 2022
Paper No: GT2022-82830
DOI: https://doi.org/10.1115/GT2022-82830
View Paper titled, Non-Linear Damper-Blade Coupling Calculations Reduced to Essentials
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Topics: Blades, Dampers, Airfoils, Cycles, Finite element model, Rotation, Bending (Stress), Construction, Damping, Design
Proceedings Papers

Numerical Investigation of a Turbine Vane Frame for Co- and Counter-Rotating Configuration

Nicolas Krajnc, Filippo Merli, Asim Hafizovic, Andreas Peters, Emil Göttlich
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A004, June 13–17, 2022
Paper No: GT2022-81083
DOI: https://doi.org/10.1115/GT2022-81083
View Paper titled, Numerical Investigation of a Turbine Vane Frame for Co- and Counter-Rotating Configuration
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Topics: Turbines, Flow (Dynamics), Engines, Boundary-value problems, Aerodynamics, Architecture, Design engineering, Ducts, High pressure (Physics), Machine dynamics
Proceedings Papers

The Design of a Small-Scale Pumped Heat Energy Storage System for the Demonstration of Controls and Operability

Natalie R. Smith, Brittany Tom, Aaron Rimpel, Joshua Just, Michael Marshall, George Khawly, Thomas Revak, Kevin Hoopes
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T07A012, June 13–17, 2022
Paper No: GT2022-83424
DOI: https://doi.org/10.1115/GT2022-83424
View Paper titled, The Design of a Small-Scale Pumped Heat Energy Storage System for the Demonstration of Controls and Operability
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Topics: Design, Energy storage, Heat, Cycles, Hardware, Machinery, Design engineering, Heat engines, Heat exchangers, Heat pumps
Proceedings Papers

Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue

Navindra Wijeyeratne, Firat Irmak, Ali P. Gordon
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A008, June 7–11, 2021
Paper No: GT2021-59581
DOI: https://doi.org/10.1115/GT2021-59581
View Paper titled, Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue
Click here to open pdf in another window PDF for Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue
Topics: Crystals, Low cycle fatigue, Modeling, Superalloys, Grain boundaries, Temperature, Anisotropy, Constitutive equations, Deformation, Gas turbines
Proceedings Papers

Mechanical Design and Testing of a 2.5 MW sCO 2 Compressor Loop

Stefan D. Cich, J. Jeffrey Moore, Chris Kulhanek, Meera Day Towler, Jason Mortzheim
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A004, June 7–11, 2021
Paper No: GT2021-04155
DOI: https://doi.org/10.1115/GT2021-04155
View Paper titled, Mechanical Design and Testing of a 2.5 MW sCO 2 Compressor Loop
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Topics: Compressors, Design engineering, Testing, Carbon dioxide, Design, Domes (Structural elements), Inlet guide vanes, Brayton cycle, Compression, Construction
Proceedings Papers

Energy Management of a Hybrid-Electric Aeronautical Propulsion System to Be Used in a Stationary Test Bench

Manuel A. Rendon, Konstantinos Kyprianidis, Yipsy Roque Benito, Daniel de A. Fernandes, Ariele T. Ferraz, Luan R. C. Vieira
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A035, September 21–25, 2020
Paper No: GT2020-16133
DOI: https://doi.org/10.1115/GT2020-16133
View Paper titled, Energy Management of a Hybrid-Electric Aeronautical Propulsion System to Be Used in a Stationary Test Bench
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Topics: Energy management, Propulsion systems, Aircraft, Construction, Emissions, Greenhouse gases, Internal combustion engines, Propellers, Aerodynamics, Aircraft propulsion
Proceedings Papers

Crystal Visco-Plastic Model for Ni-Base Superalloys Under Thermomechanical Fatigue

Navindra Wijeyeratne, Firat Irmak, Ali P. Gordon, Jun-Young Jeon
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A003, September 21–25, 2020
Paper No: GT2020-14163
DOI: https://doi.org/10.1115/GT2020-14163
View Paper titled, Crystal Visco-Plastic Model for Ni-Base Superalloys Under Thermomechanical Fatigue
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Topics: Anisotropy, Crystals, Fatigue, Modeling, Superalloys, Thermomechanics, Temperature, Stress, Hardening, Simulation
Proceedings Papers

Development and Testing of a 10 MWe Supercritical CO2 Turbine in a 1 MWe Flow Loop

Jeffrey Moore, Stefan Cich, Meera Day-Towler, Jason Mortzheim
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A018, September 21–25, 2020
Paper No: GT2020-15945
DOI: https://doi.org/10.1115/GT2020-15945
View Paper titled, Development and Testing of a 10 MWe Supercritical CO2 Turbine in a 1 MWe Flow Loop
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Topics: Flow (Dynamics), Supercritical carbon dioxide, Testing, Turbines, Cycles, Steam, Heat, Temperature, Thermal efficiency, Transients (Dynamics)
Proceedings Papers

Thermodynamic and Mechanical Design Concept for Micro-Turbojet to Micro-Turboshaft Engine Conversion

Christoph Öttl, Reinhard Willinger
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A005, September 21–25, 2020
Paper No: GT2020-14498
DOI: https://doi.org/10.1115/GT2020-14498
View Paper titled, Thermodynamic and Mechanical Design Concept for Micro-Turbojet to Micro-Turboshaft Engine Conversion
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Topics: Design engineering, Engines, Turbojets, Design, Turbines, Blades, Computational fluid dynamics, Cycles, Dimensions, Gears
Proceedings Papers

Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions

Bugra Ertas, Keith Gary, Adolfo Delgado
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A018, September 21–25, 2020
Paper No: GT2020-14964
DOI: https://doi.org/10.1115/GT2020-14964
View Paper titled, Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions
Click here to open pdf in another window PDF for Additively Manufactured Compliant Hybrid Gas Thrust Bearing for sCO 2 Turbomachinery: Experimental Evaluation and Fluid-Structure Model Predictions
Topics: Additive manufacturing, Fluids, Thrust bearings, Turbomachinery, Stress, Bearings, Pressure, Hydrostatics, Thrust, Deflection
Proceedings Papers

Mechanical Design in an Interdisciplinary Predesign Tool

Christina Salpingidou, Reinhold Schaber, Hermann Klingels, Peter Geiger
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A020, September 21–25, 2020
Paper No: GT2020-14633
DOI: https://doi.org/10.1115/GT2020-14633
View Paper titled, Mechanical Design in an Interdisciplinary Predesign Tool
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Topics: Design engineering
Proceedings Papers

Theoretical and Experimental Investigation of a Small-Scale, High-Speed, and Oil-Free Radial Anode Off-Gas Recirculation Fan for Solid Oxide Fuel Cell Systems

Patrick H. Wagner, Jan Van herle, Jürg Schiffmann
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A019, June 17–21, 2019
Paper No: GT2019-91361
DOI: https://doi.org/10.1115/GT2019-91361
View Paper titled, Theoretical and Experimental Investigation of a Small-Scale, High-Speed, and Oil-Free Radial Anode Off-Gas Recirculation Fan for Solid Oxide Fuel Cell Systems
Click here to open pdf in another window PDF for Theoretical and Experimental Investigation of a Small-Scale, High-Speed, and Oil-Free Radial Anode Off-Gas Recirculation Fan for Solid Oxide Fuel Cell Systems
Topics: Anodes, Solid oxide fuel cells, Flow (Dynamics), Bearings, Blades, Computational fluid dynamics, Design, Design engineering, Fluids, Gas bearings
Proceedings Papers

Novel Approaches for sCO 2 Axial Turbine Design

Sharath Sathish, Pramod Kumar, Adi Narayana Namburi, Lokesh Swami, Carsten Fuetterer, Pramod Chandra Gopi
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A011, June 17–21, 2019
Paper No: GT2019-90606
DOI: https://doi.org/10.1115/GT2019-90606
View Paper titled, Novel Approaches for sCO 2 Axial Turbine Design
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Topics: Design, Turbines, Blades, Steam turbines, Stress, Geometry, Optimization, B-splines, Cascades (Fluid dynamics), Chords (Trusses)
Proceedings Papers

Test Rig Commissioning for Advanced Rotor-Stator Seals

Deepak Trivedi, Eric Ruggiero, Christopher Wolfe, Joel Kirk, John Williams, James Graham
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT15A006, June 17–21, 2019
Paper No: GT2019-90965
DOI: https://doi.org/10.1115/GT2019-90965
View Paper titled, Test Rig Commissioning for Advanced Rotor-Stator Seals
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Topics: Rotors, Stators, Design, Design engineering, Pressure, Pressure vessels, Sealing (Process), Temperature, Test facilities, Turbomachinery
Proceedings Papers

Design of a Transonic High Flow Coefficient Centrifugal Compressor by Using Advanced Design Methods

David Wittrock, Oliver Reutter, Eberhard Nicke, Thomas Schmidt, Jan Klausmann
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A002, June 11–15, 2018
Paper No: GT2018-75024
DOI: https://doi.org/10.1115/GT2018-75024
View Paper titled, Design of a Transonic High Flow Coefficient Centrifugal Compressor by Using Advanced Design Methods
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Topics: Compressors, Design, Design methodology, Flow (Dynamics), Blades, Diesel, Turbochargers, Diffusers, Computational fluid dynamics, Design engineering
Proceedings Papers

Turbomachine Design for Supercritical Carbon Dioxide Within the sCO 2 -HeRo.EU Project

Alexander Hacks, Sebastian Schuster, Hans Josef Dohmen, Friedrich-Karl Benra, Dieter Brillert
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A003, June 11–15, 2018
Paper No: GT2018-75154
DOI: https://doi.org/10.1115/GT2018-75154
View Paper titled, Turbomachine Design for Supercritical Carbon Dioxide Within the sCO 2 -HeRo.EU Project
Click here to open pdf in another window PDF for Turbomachine Design for Supercritical Carbon Dioxide Within the sCO 2 -HeRo.EU Project
Topics: Design, Supercritical carbon dioxide, Turbomachinery, Compressors, Impellers, Bearings, Brayton cycle, Compressor impellers, Cooling, Cycles
Proceedings Papers

Numerical and Experimental Study of Shrouded Blade Dynamics Considering Variable Operating Points

Ferhat Kaptan, Lars Panning-von Scheidt, Jörg Wallaschek
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A034, June 11–15, 2018
Paper No: GT2018-76692
DOI: https://doi.org/10.1115/GT2018-76692
View Paper titled, Numerical and Experimental Study of Shrouded Blade Dynamics Considering Variable Operating Points
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Topics: Blades, Dynamics (Mechanics), Disks, Vibration, Mechanical properties, Pressure, Turbomachinery, Computation, Design engineering, Excitation
Proceedings Papers

Structural Analysis of Profiled Tubes for a Turbofan Engine Supercritical-CO 2 Bottoming Cycle Heat Exchanger

Jon Rengel, Florian Jacob, Andrew Rolt, Vishal Sethi
Proc. ASME. GT2018, Volume 5C: Heat Transfer, V05CT20A003, June 11–15, 2018
Paper No: GT2018-76208
DOI: https://doi.org/10.1115/GT2018-76208
View Paper titled, Structural Analysis of Profiled Tubes for a Turbofan Engine Supercritical-CO 2 Bottoming Cycle Heat Exchanger
Click here to open pdf in another window PDF for Structural Analysis of Profiled Tubes for a Turbofan Engine Supercritical-CO 2 Bottoming Cycle Heat Exchanger
Topics: Cycles, Engines, Heat exchangers, Structural analysis, Turbofans, Exhaust systems, Supercritical carbon dioxide, Chords (Trusses), Gases, Stress
Proceedings Papers

Development of a Last Stage Blade Row Coupled by Damping Elements: Numerical Assessment of its Vibrational Behavior and its Experimental Validation During Spin Pit Measurements

Christian Siewert, Frank Sieverding, William J. McDonald, Manish Kumar, James R. McCracken
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A018, June 26–30, 2017
Paper No: GT2017-63630
DOI: https://doi.org/10.1115/GT2017-63630
View Paper titled, Development of a Last Stage Blade Row Coupled by Damping Elements: Numerical Assessment of its Vibrational Behavior and its Experimental Validation During Spin Pit Measurements
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Topics: Blades, Damping, Particle spin, Rotation, Spin (Aerodynamics), Stress, Steam, Vibration, Airfoils, Centrifugal force
Proceedings Papers

Wet Gas Compression: Test Conditions and Similitude

Dagfinn Mæland, Lars E. Bakken
Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T27A018, June 26–30, 2017
Paper No: GT2017-64374
DOI: https://doi.org/10.1115/GT2017-64374
View Paper titled, Wet Gas Compression: Test Conditions and Similitude
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Topics: Compression, Compressors, Design, Gas compressors, Fluids, Ocean engineering, Pressure, Testing performance, Condensed matter, Design engineering