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Rafael Guedez
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Journal Articles

Techno-Economic Comparative Assessment of High-Temperature Heat Pump Architectures for Industrial Pumped Thermal Energy Storage

Open Access
Silvia Trevisan, Bjarke Buchbjerg, Arne Höeg, Rafael Guedez
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2025, 147(6): 061020.
Paper No: GTP-24-1548
https://doi.org/10.1115/1.4066989
Published Online: December 20, 2024
View Articletitled, Techno-Economic Comparative Assessment of High-Temperature Heat Pump Architectures for Industrial Pumped Thermal Energy Storage
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Topics: Boilers, Economics , Heat pumps, High temperature, Stress, Temperature, Thermal loads, Thermal energy, Heat, Modeling
Includes: Supplementary data
Proceedings Papers

Techno-Economic Comparative Assessment of High Temperature Heat Pump Architectures for Industrial Pumped Thermal Energy Storage

Available to Purchase

Silvia Trevisan, Bjarke Buchbjerg, Arne Höeg, Rafael Guedez
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T09A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128910
https://doi.org/10.1115/GT2024-128910
View Paper titled, Techno-Economic Comparative Assessment of High Temperature Heat Pump Architectures for Industrial Pumped Thermal Energy Storage
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Topics: Architecture, Economics , Heat pumps, High temperature, Thermal energy storage
Journal Articles

Techno-Economic Assessment of CO 2 -Based Power to Heat to Power Systems for Industrial Applications

Open Access
Silvia Trevisan, Syed Safeer Mehdi Shamsi, Simone Maccarini, Stefano Barberis, Rafael Guedez
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121008.
Paper No: GTP-23-1316
https://doi.org/10.1115/1.4063418
Published Online: October 17, 2023
View Articletitled, Techno-Economic Assessment of CO 2 -Based Power to Heat to Power Systems for Industrial Applications
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Topics: Carbon dioxide, Economics , Heat, Thermodynamic power cycles, Modeling, Power systems (Machinery), Temperature
Proceedings Papers

Techno-Economic Assessment of CO2 Based Power to Heat to Power Systems for Industrial Applications

Open Access

Silvia Trevisan, Syed Safeer Mehdi Shamsi, Simone Maccarini, Stefano Barberis, Rafael Guedez
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T09A004, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101892
https://doi.org/10.1115/GT2023-101892
View Paper titled, Techno-Economic Assessment of CO2 Based Power to Heat to Power Systems for Industrial Applications
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Topics: Carbon dioxide, Economics , Heat, Power systems (Machinery)
Proceedings Papers

Optimum Coupling of Thermal Energy Storage and Power Cycles

Available to Purchase

Salvatore Guccione, Silvia Trevisan, Rafael Guedez
Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T09A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103939
https://doi.org/10.1115/GT2023-103939
View Paper titled, Optimum Coupling of Thermal Energy Storage and Power Cycles
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Topics: Particulate matter, Thermal energy storage, Thermodynamic power cycles
Journal Articles

Combined Cycle, Heat Pump, and Thermal Storage Integration: Techno-Economic Sensitivity to Market and Climatic Conditions Based on a European and United States Assessment

Available to Purchase
Alberto Vannoni, Jose Angel Garcia, Rafael Guedez, Alessandro Sorce, Aristide Fausto Massardo
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021007.
Paper No: GTP-22-1227
https://doi.org/10.1115/1.4056021
Published Online: November 28, 2022
View Articletitled, Combined Cycle, Heat Pump, and Thermal Storage Integration: Techno-Economic Sensitivity to Market and Climatic Conditions Based on a European and United States Assessment
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Topics: Climate, Cooling, Economics , Heat pumps, Heating, Temperature, Thermal energy storage, Profitability, Stress, Combined cycle gas turbines
Proceedings Papers

Part-Load Behaviour and Control Philosophy of a Recuperated Supercritical CO 2 Cycle

Available to Purchase

Lorenzo Gini, Simone Maccarini, Alberto Traverso, Emanuel Pesatori, Alberto Milani, Valentina Bisio, Roberto Valente, Stefano Barberis, Rafael Guedez
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A019, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83021
https://doi.org/10.1115/GT2022-83021
View Paper titled, Part-Load Behaviour and Control Philosophy of a Recuperated Supercritical CO 2 Cycle
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Topics: Cycles, Design, Stress, Supercritical carbon dioxide
Proceedings Papers

Design of a 2 MW Molten Salt Driven Supercritical CO2 Cycle and Turbomachinery for the SOLARSCO2OL Demonstration Project

Available to Purchase

Rafael Guédez, Stefano Barberis, Simone Maccarini, Anton López-Román, Alberto Milani, Emanuel Pesatori, Unai Oyarzábal, Alvaro Sánchez
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A008, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82013
https://doi.org/10.1115/GT2022-82013
View Paper titled, Design of a 2 MW Molten Salt Driven Supercritical CO2 Cycle and Turbomachinery for the SOLARSCO2OL Demonstration Project
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Topics: Cycles, Design, Supercritical carbon dioxide, Turbomachinery
Proceedings Papers

Gas Turbine Combined Cycle Range Enhancer - Part 1: Cyber-Physical Setup

Available to Purchase

Tommaso Reboli, Marco Ferrando, Luca Mantelli, Lorenzo Gini, Alessandro Sorce, Jose Garcia, Rafael Guedez
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82494
https://doi.org/10.1115/GT2022-82494
View Paper titled, Gas Turbine Combined Cycle Range Enhancer - Part 1: Cyber-Physical Setup
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Topics: Combined cycles, Gas turbines, Control equipment, Control systems, Cycles, Dynamic models, Energy generation, Energy management, Energy sustainability, Flow (Dynamics)
Proceedings Papers

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

Open Access

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

Combined Cycle, Heat Pump, and Thermal Storage Integration: Techno-Economic Sensitivity to Market and Climatic Conditions Based on a European and United States Assessment

Available to Purchase

Alberto Vannoni, Jose Angel Garcia, Rafael Guedez, Alessandro Sorce, Aristide Fausto Massardo
Proc. ASME. GT2022, Volume 5: Education; Electric Power; Fans and Blowers, V005T09A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82698
https://doi.org/10.1115/GT2022-82698
View Paper titled, Combined Cycle, Heat Pump, and Thermal Storage Integration: Techno-Economic Sensitivity to Market and Climatic Conditions Based on a European and United States Assessment
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Topics: Combined cycle gas turbines, Combined cycles, Economics , Heat pumps, Thermal energy storage
Proceedings Papers

Ancillary Services Potential for Flexible Combined Cycles

Available to Purchase

Alberto Vannoni, Jose Angel Garcia, Weimar Mantilla, Rafael Guedez, Alessandro Sorce
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A015, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59587
https://doi.org/10.1115/GT2021-59587
View Paper titled, Ancillary Services Potential for Flexible Combined Cycles
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Topics: Combined cycle gas turbines, Combined cycles, Design, Fuels, Gas turbines, Heat pumps, Modeling, Nuclear decommissioning, Plant layout, Profitability
Journal Articles

Short-Term Optimization of a Combined Cycle Power Plant Integrated With an Inlet Conditioning Unit

Available to Purchase
Weimar Mantilla, José Garcia, Rafael Guédez, Alessandro Source
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2021, 143(9): 091013.
Paper No: GTP-20-1557
https://doi.org/10.1115/1.4050856
Published Online: May 31, 2021
View Articletitled, Short-Term Optimization of a Combined Cycle Power Plant Integrated With an Inlet Conditioning Unit
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Topics: Heat pumps, Optimization, Power stations, Stress, Temperature, Combined cycle gas turbines, Thermal energy storage, Carbon dioxide, Profitability, Heating
Proceedings Papers

Short-Term Optimization of a Combined Cycle Power Plant Integrated With an Inlet Air Conditioning Unit

Available to Purchase

Weimar Mantilla, José García, Rafael Guédez, Alessandro Sorce
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A012, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15162
https://doi.org/10.1115/GT2020-15162
View Paper titled, Short-Term Optimization of a Combined Cycle Power Plant Integrated With an Inlet Air Conditioning Unit
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Topics: Air conditioning, Combined cycle power stations, Optimization, Power stations, Stress, Gas turbines, Carbon dioxide, Clearances (Engineering), Combined cycle gas turbines, Dynamics (Mechanics)
Proceedings Papers

Techno-Economic Optimization of a Combined Cycle Combined Heat and Power Plant With Integrated Heat Pump and Low-Temperature Thermal Energy Storage

Available to Purchase

Jose Garcia, Vincent Smet, Rafael Guedez, Alessandro Sorce
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T07A009, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16072
https://doi.org/10.1115/GT2020-16072
View Paper titled, Techno-Economic Optimization of a Combined Cycle Combined Heat and Power Plant With Integrated Heat Pump and Low-Temperature Thermal Energy Storage
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Topics: Cogeneration plants, Combined cycles, Heat pumps, Low temperature, Optimization, Thermal energy storage, Power stations, Boundary-value problems, Carbon dioxide, Central heating
Proceedings Papers

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

Available to Purchase

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

Available to Purchase

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

Analysis of a Combined Cycle Exploiting Inlet Conditioning Technologies for Power Modulation

Available to Purchase

Alessandro Sorce, Andrea Giugno, Daniela Marino, Stefano Piola, Rafael Guedez
Proc. ASME. GT2019, Volume 3: Coal, Biomass, Hydrogen, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems, V003T06A022, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91541
https://doi.org/10.1115/GT2019-91541
View Paper titled, Analysis of a Combined Cycle Exploiting Inlet Conditioning Technologies for Power Modulation
Open the PDF for Analysis of a Combined Cycle Exploiting Inlet Conditioning Technologies for Power Modulation in another window
Topics: Combined cycles, Compressors, Cycles, Design, Gas turbines, Generators, Heat pumps, Power grids, Renewable energy sources, Stress
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

Available to Purchase
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 Articletitled, A Methodology for Determining Optimum Solar Tower Plant Configurations and Operating Strategies to Maximize Profits Based on Hourly Electricity Market Prices and Tariffs
Open the PDF for A Methodology for Determining Optimum Solar Tower Plant Configurations and Operating Strategies to Maximize Profits Based on Hourly Electricity Market Prices and Tariffs in another window
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

Available to Purchase

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
Open the PDF for A Methodology for Determining Optimum Solar Tower Plant Configurations and Operating Strategies to Maximize Profits Based on Hourly Electricity Market Prices and Tariffs in another window
Topics: Solar energy, Storage, Design, Economic analysis, Flow (Dynamics), Modeling, Pareto optimization, Power stations, Technology development, Thermodynamic power cycles