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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
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
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

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
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
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
Journal Articles

Reducing the Number of Turbine Starts in Concentrating Solar Power Plants Through the Integration of Thermal Energy Storage

Rafael Guédez, James Spelling, Björn Laumert
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. February 2015, 137(1): 011003.
Paper No: SOL-13-1342
https://doi.org/10.1115/1.4028004
Published Online: July 29, 2014
View Article titled, Reducing the Number of Turbine Starts in Concentrating Solar Power Plants Through the Integration of Thermal Energy Storage
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Topics: Maintenance, Power stations, Solar energy, Turbines, Storage, Steam turbines, Parabolic troughs
Proceedings Papers

A Comparative Thermoeconomic Study of Hybrid Solar Gas-Turbine Power Plants

James Spelling, Björn Laumert, Torsten Fransson
Proc. ASME. GT2013, Volume 4: Ceramics; Concentrating Solar Power Plants; Controls, Diagnostics and Instrumentation; Education; Electric Power; Fans and Blowers, V004T05A001, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94046
https://doi.org/10.1115/GT2013-94046
View Paper titled, A Comparative Thermoeconomic Study of Hybrid Solar Gas-Turbine Power Plants
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Topics: Gas turbines, Power stations, Solar energy, Thermoeconomics, Cycles, Carbon dioxide, Combined cycle power stations, Combined cycles, Construction, Decision making
Proceedings Papers

Micro Gas-Turbine Design for Small-Scale Hybrid Solar Power Plants

Lukas Aichmayer, James Spelling, Björn Laumert, Torsten Fransson
Proc. ASME. GT2013, Volume 4: Ceramics; Concentrating Solar Power Plants; Controls, Diagnostics and Instrumentation; Education; Electric Power; Fans and Blowers, V004T05A002, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94271
https://doi.org/10.1115/GT2013-94271
View Paper titled, Micro Gas-Turbine Design for Small-Scale Hybrid Solar Power Plants
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Topics: Design, Gas turbines, Solar power stations, Carbon, Emissions, Pressure drop, Solar energy, Carbon dioxide, Diesel generators, Power stations
Proceedings Papers

Air-Based Bottoming-Cycles for Water-Free Hybrid Solar Gas-Turbine Power Plants

Raphaël Sandoz, James Spelling, Björn Laumert, Torsten Fransson
Proc. ASME. GT2013, Volume 4: Ceramics; Concentrating Solar Power Plants; Controls, Diagnostics and Instrumentation; Education; Electric Power; Fans and Blowers, V004T05A003, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94308
https://doi.org/10.1115/GT2013-94308
View Paper titled, Air-Based Bottoming-Cycles for Water-Free Hybrid Solar Gas-Turbine Power Plants
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Topics: Cycles, Gas turbines, Power stations, Solar energy, Water, Carbon dioxide, Emissions, Thermoeconomics, Energy sustainability, Pareto optimization
Proceedings Papers

Reducing the Number of Turbine Starts in Concentrating Solar Power Plants Through the Integration of Thermal Energy Storage

Rafael Guédez, James Spelling, Björn Laumert, Torsten Fransson
Proc. ASME. GT2013, Volume 4: Ceramics; Concentrating Solar Power Plants; Controls, Diagnostics and Instrumentation; Education; Electric Power; Fans and Blowers, V004T05A004, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94562
https://doi.org/10.1115/GT2013-94562
View Paper titled, Reducing the Number of Turbine Starts in Concentrating Solar Power Plants Through the Integration of Thermal Energy Storage
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Topics: Concentrating solar power, Thermal energy storage, Turbines, Storage, Solar thermal power, Maintenance, Solar energy, Steam turbines, Stress
Proceedings Papers

Optimization of a Sawmill-Based Polygeneration Plant

Marianne Salomón, María F. Gómez, James Spelling, Andrew Martin
Proc. ASME. GT2013, Volume 2: Aircraft Engine; Coal, Biomass and Alternative Fuels; Cycle Innovations, V002T03A022, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95844
https://doi.org/10.1115/GT2013-95844
View Paper titled, Optimization of a Sawmill-Based Polygeneration Plant
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Topics: Optimization, Biomass, Central heating, Biofuel, Electric power generation, Energy policy, Fuels, Governments, Heat, Hydropower
Journal Articles

A Comparative Thermoeconomic Study of Hybrid Solar Gas-Turbine Power Plants

James Spelling, Björn Laumert, Torsten Fransson
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2014, 136(1): 011801.
Paper No: GTP-13-1199
https://doi.org/10.1115/1.4024964
Published Online: October 21, 2013
View Article titled, A Comparative Thermoeconomic Study of Hybrid Solar Gas-Turbine Power Plants
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Topics: Gas turbines, Power stations, Solar energy, Thermoeconomics, Storage, Cycles, Combined cycles, Temperature
Journal Articles

Micro Gas-Turbine Design for Small-Scale Hybrid Solar Power Plants

Lukas Aichmayer, James Spelling, Björn Laumert, Torsten Fransson
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2013, 135(11): 113001.
Paper No: GTP-13-1246
https://doi.org/10.1115/1.4025077
Published Online: September 17, 2013
View Article titled, Micro Gas-Turbine Design for Small-Scale Hybrid Solar Power Plants
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Topics: Cycles, Design, Solar energy, Temperature, Thermoeconomics, Power stations, Gas turbines, Pressure
Journal Articles

Air-Based Bottoming-Cycles for Water-Free Hybrid Solar Gas-Turbine Power Plants

Raphaël Sandoz, James Spelling, Björn Laumert, Torsten Fransson
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2013, 135(10): 101701.
Paper No: GTP-13-1192
https://doi.org/10.1115/1.4025003
Published Online: September 6, 2013
View Article titled, Air-Based Bottoming-Cycles for Water-Free Hybrid Solar Gas-Turbine Power Plants
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Topics: Cycles, Design, Gas turbines, Power stations, Solar energy, Water, Carbon dioxide, Emissions, Temperature, Heat exchangers
Journal Articles

Thermo-Economic Optimization of Hybridization Options for Solar Retrofitting of Combined-Cycle Power Plants

Erik Pihl, James Spelling, Filip Johnsson
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research-Article
J. Sol. Energy Eng. May 2014, 136(2): 021001.
Paper No: SOL-12-1102
https://doi.org/10.1115/1.4024922
Published Online: August 21, 2013
View Article titled, Thermo-Economic Optimization of Hybridization Options for Solar Retrofitting of Combined-Cycle Power Plants
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Topics: Optimization, Power stations, Solar energy, Design, Thermoeconomics