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Björn Laumert
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Proceedings Papers

Techno-Economic Optimization of a Hybrid PV-CSP Plant With Molten Salt Thermal Energy Storage and Supercritical CO2 Brayton Power Cycle

Salvatore Guccione, Silvia Trevisan, Rafael Guedez, Björn Laumert, Simone Maccarini, Alberto Traverso
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80376
https://doi.org/10.1115/GT2022-80376
View Paper titled, Techno-Economic Optimization of a Hybrid PV-CSP Plant With Molten Salt Thermal Energy Storage and Supercritical CO2 Brayton Power Cycle
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Topics: Economics , Optimization, Supercritical carbon dioxide, Thermal energy storage, Thermodynamic power cycles, Solar energy, Concentrating solar power, Cycles, Thermal energy, Turbomachinery
Proceedings Papers

Supercritical CO 2 Brayton Power Cycle for CSP With Packed Bed TES Integration and Cost Benchmark Evaluation

Silvia Trevisan, Rafael Guédez, Björn Laumert
Proc. ASME. POWER2019, ASME 2019 Power Conference, V001T06A010, July 15–18, 2019
Publisher: American Society of Mechanical Engineers
Paper No: POWER2019-1903
https://doi.org/10.1115/POWER2019-1903
View Paper titled, Supercritical CO 2 Brayton Power Cycle for CSP With Packed Bed TES Integration and Cost Benchmark Evaluation
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Topics: Supercritical carbon dioxide, Thermodynamic power cycles, Solar energy, Thermal energy storage, Plant design, Temperature, Design, Turbines, Coal, Electric power generation
Proceedings Papers

Techno-Economic Comparative Analysis of Innovative Combined Cycle Power Plant Layouts Integrated With Heat Pumps and Thermal Energy Storage

Rafael Guédez, José García, Antti Nuutinen, Giovanni Graziano, Justin Chiu, Alessandro Sorce, Luca Piantelli, Alberto Traverso, Björn Laumert
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A007, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91036
https://doi.org/10.1115/GT2019-91036
View Paper titled, Techno-Economic Comparative Analysis of Innovative Combined Cycle Power Plant Layouts Integrated With Heat Pumps and Thermal Energy Storage
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Topics: Combined cycle power stations, Heat pumps, Thermal energy storage, Heat, Profitability, Storage, Errors, Modeling, Plant layout, Stress
Proceedings Papers

Utilization of a Thermo-Mechanical Model Coupled With Multi-Objective Optimization to Enhance the Start-Up Process of Solar Steam Turbines

Monika Topel, Andrea Vitrano, Björn Laumert
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A016, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75829
https://doi.org/10.1115/GT2018-75829
View Paper titled, Utilization of a Thermo-Mechanical Model Coupled With Multi-Objective Optimization to Enhance the Start-Up Process of Solar Steam Turbines
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Topics: Pareto optimization, Solar energy, Steam turbines, Thermomechanics, Turbines, Concentrating solar power, Machinery, Temperature, Climate change, Damage
Journal Articles

Investigation Into the Thermal Limitations of Steam Turbines During Start-Up Operation

Monika Topel, Åsa Nilsson, Markus Jöcker, Björn Laumert
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2018, 140(1): 012603.
Paper No: GTP-17-1252
https://doi.org/10.1115/1.4037664
Published Online: September 19, 2017
View Article titled, Investigation Into the Thermal Limitations of Steam Turbines During Start-Up Operation
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Topics: Design, Temperature, Turbines, Steam turbines, Transients (Dynamics), Clearances (Engineering), Rotors
Proceedings Papers

Investigation Into the Thermal Limitations of Steam Turbines During Start-Up Operation

Monika Topel, Björn Laumert, Åsa Nilsson, Markus Jöcker
Proc. ASME. GT2017, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T29A029, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-64281
https://doi.org/10.1115/GT2017-64281
View Paper titled, Investigation Into the Thermal Limitations of Steam Turbines During Start-Up Operation
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Topics: Steam turbines, Design, Turbines, Concentrating solar power, Low cycle fatigue, Machinery, Power stations, Thermal properties, Thermal stresses, Thermomechanics
Journal Articles

A Methodology for Determining Optimum Solar Tower Plant Configurations and Operating Strategies to Maximize Profits Based on Hourly Electricity Market Prices and Tariffs

Rafael Guédez, Monika Topel, Inés Conde, Francisco Ferragut, Irene Callaba, James Spelling, Zhor Hassar, Carlos David Perez-Segarra, Björn Laumert
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. April 2016, 138(2): 021006.
Paper No: SOL-15-1226
https://doi.org/10.1115/1.4032244
Published Online: February 1, 2016
View Article titled, A Methodology for Determining Optimum Solar Tower Plant Configurations and Operating Strategies to Maximize Profits Based on Hourly Electricity Market Prices and Tariffs
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Topics: Design, Flow (Dynamics), Modeling, Solar energy, Tariffs, Tradeoffs, Pareto optimization, Power stations
Journal Articles

Differential Expansion Sensitivity Studies During Steam Turbine Startup

Monika Topel, Markus Jöcker, Sayantan Paul, Björn Laumert
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2016, 138(6): 062102.
Paper No: GTP-15-1419
https://doi.org/10.1115/1.4031643
Published Online: November 17, 2015
View Article titled, Differential Expansion Sensitivity Studies During Steam Turbine Startup
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Topics: Steam turbines, Temperature, Turbines, Rotors, Heat transfer
Proceedings Papers

A Methodology for Determining Optimum Solar Tower Plant Configurations and Operating Strategies to Maximize Profits Based on Hourly Electricity Market Prices and Tariffs

Rafael Guédez, Monika Topel, Inés Conde Buezas, Francisco Ferragut, Irene Callaba, James Spelling, Zhor Hassar, Carlos David Pérez-Segarra, Björn Laumert
Proc. ASME. ES2015, Volume 1: Advances in Solar Buildings and Conservation; Climate Control and the Environment; Alternate Fuels and Infrastructure; ARPA-E; Combined Energy Cycles, CHP, CCHP, and Smart Grids; Concentrating Solar Power; Economic, Environmental, and Policy Aspects of Alternate Energy; Geothermal Energy, Harvesting, Ocean Energy and Other Emerging Technologies; Hydrogen Energy Technologies; Low/Zero Emission Power Plants and Carbon Sequestration; Micro and Nano Technology Applications and Materials, V001T05A004, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: ES2015-49237
https://doi.org/10.1115/ES2015-49237
View Paper titled, A Methodology for Determining Optimum Solar Tower Plant Configurations and Operating Strategies to Maximize Profits Based on Hourly Electricity Market Prices and Tariffs
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Topics: Solar energy, Storage, Design, Economic analysis, Flow (Dynamics), Modeling, Pareto optimization, Power stations, Technology development, Thermodynamic power cycles
Proceedings Papers

Thermoeconomic Evaluation of a Novel Utility-Scale Hybrid Solar Dish Micro Gas-Turbine Power Plant

James Spelling, Lukas Aichmayer, Björn Laumert
Proc. ASME. GT2015, Volume 3: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration, V003T06A007, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42368
https://doi.org/10.1115/GT2015-42368
View Paper titled, Thermoeconomic Evaluation of a Novel Utility-Scale Hybrid Solar Dish Micro Gas-Turbine Power Plant
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Topics: Gas turbines, Power stations, Solar energy, Thermoeconomics, Combined cycles, Cycles, Emissions, Heat recovery steam generators, Pareto optimization, Solar power stations
Proceedings Papers

Differential Expansion Sensitivity Studies During Steam Turbine Start-Up

Monika Topel, Markus Jöcker, Sayantan Paul, Björn Laumert
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A006, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42214
https://doi.org/10.1115/GT2015-42214
View Paper titled, Differential Expansion Sensitivity Studies During Steam Turbine Start-Up
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Topics: Steam turbines, Turbines, Modeling, Temperature, Bearings, Cavities, Clearances (Engineering), Computer simulation, Finite element analysis, Rotors
Journal Articles

Enhancing the Economic Competitiveness of Concentrating Solar Power Plants Through an Innovative Integrated Solar-Combined Cycle With Thermal Energy Storage

Rafael Guédez, James Spelling, Björn Laumert
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2015, 137(4): 041701.
Paper No: GTP-14-1423
https://doi.org/10.1115/1.4028655
Published Online: April 1, 2015
View Article titled, Enhancing the Economic Competitiveness of Concentrating Solar Power Plants Through an Innovative Integrated Solar-Combined Cycle With Thermal Energy Storage
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Topics: Cycles, Design, Power stations, Solar energy, Storage, Steam, Exhaust systems, Thermoeconomics, Emissions, Carbon dioxide
Journal Articles

Operational Improvements for Startup Time Reduction in Solar Steam Turbines

Monika Topel, Magnus Genrup, Markus Jöcker, James Spelling, Björn Laumert
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2015, 137(4): 042604.
Paper No: GTP-14-1336
https://doi.org/10.1115/1.4028661
Published Online: April 1, 2015
View Article titled, Operational Improvements for Startup Time Reduction in Solar Steam Turbines
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Topics: Pressure, Steam, Temperature, Turbines, Steam turbines, Solar energy, Rotors
Journal Articles

Thermo-Economic Evaluation of Solar Thermal and Photovoltaic Hybridization Options for Combined-Cycle Power Plants

James Spelling, Björn Laumert
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2015, 137(3): 031801.
Paper No: GTP-14-1425
https://doi.org/10.1115/1.4028396
Published Online: October 7, 2014
View Article titled, Thermo-Economic Evaluation of Solar Thermal and Photovoltaic Hybridization Options for Combined-Cycle Power Plants
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Topics: Power stations, Solar energy, Thermoeconomics, Cycles, Gas turbines
Proceedings Papers

Operational Improvements for Start-Up Time Reduction in Solar Steam Turbines

Monika Topel, Magnus Genrup, Markus Jöcker, James Spelling, Björn Laumert
Proc. ASME. GT2014, Volume 5C: Heat Transfer, V05CT20A008, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-27065
https://doi.org/10.1115/GT2014-27065
View Paper titled, Operational Improvements for Start-Up Time Reduction in Solar Steam Turbines
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Topics: Solar energy, Steam turbines, Turbines, Temperature, Pressure, Friction, Steam, Temperature gradient, Thermal stresses, Transients (Dynamics)
Proceedings Papers

Enhancing the Economic Competitiveness of Concentrating Solar Power Plants Through an Innovative Integrated Solar-Combined Cycle With Thermal Energy Storage

Rafael Guédez, James Spelling, Björn Laumert
Proc. ASME. GT2014, Volume 3A: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration, V03AT07A019, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26098
https://doi.org/10.1115/GT2014-26098
View Paper titled, Enhancing the Economic Competitiveness of Concentrating Solar Power Plants Through an Innovative Integrated Solar-Combined Cycle With Thermal Energy Storage
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Topics: Concentrating solar power, Cycles, Solar energy, Thermal energy storage, Power stations, Combined cycle gas turbines, Dynamic models, Exhaust systems, Gas turbines, Heat
Proceedings Papers

Thermoeconomic Evaluation of Solar Thermal and Photovoltaic Hybridization Options for Combined-Cycle Power Plants

James Spelling, Björn Laumert
Proc. ASME. GT2014, Volume 3A: Coal, Biomass and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration, V03AT09A001, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25173
https://doi.org/10.1115/GT2014-25173
View Paper titled, Thermoeconomic Evaluation of Solar Thermal and Photovoltaic Hybridization Options for Combined-Cycle Power Plants
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Topics: Combined cycle power stations, Solar energy, Thermoeconomics, Combined cycles, Hybrid power systems, Carbon dioxide, Construction, Decision making, Emissions, Energy generation
Journal Articles

A Thermo-Economic Study of Storage Integration in Hybrid Solar Gas-Turbine Power Plants

James Spelling, Rafael Guédez, Björn Laumert
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. February 2015, 137(1): 011008.
Paper No: SOL-12-1318
https://doi.org/10.1115/1.4028142
Published Online: August 25, 2014
View Article titled, A Thermo-Economic Study of Storage Integration in Hybrid Solar Gas-Turbine Power Plants
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Topics: Gas turbines, Power stations, Solar energy, Storage, Machinery, Thermoeconomics, Design, Temperature
Proceedings Papers

Investigation of the Flowfield in the Transonic VKI BRITE EURAM Turbine Stage With 3D Steady and Unsteady N-S Computations

Björn Laumert, Hans Mårtensson, Torsten H. Fransson
Proc. ASME. GT2000, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A009, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0433
https://doi.org/10.1115/2000-GT-0433
View Paper titled, Investigation of the Flowfield in the Transonic VKI BRITE EURAM Turbine Stage With 3D Steady and Unsteady N-S Computations
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Topics: Computation, Turbines, Rotors, Blades, Geometry, Pressure, Stators, Suction, Aerodynamics, Chords (Trusses)
Proceedings Papers

Investigation of Unsteady Aerodynamic Blade Excitation Mechanisms in a Transonic Turbine Stage: Part II — Analytical Description and Quantification

Björn Laumert, Hans Mårtensson, Torsten H. Fransson
Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T03A025, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0259
https://doi.org/10.1115/2001-GT-0259
View Paper titled, Investigation of Unsteady Aerodynamic Blade Excitation Mechanisms in a Transonic Turbine Stage: Part II — Analytical Description and Quantification
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Topics: Blades, Excitation, Turbines, Pressure, Rotors, Torque, Computation, High pressure (Physics), Spacetime