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Proceedings Papers

CO2-Based Power Cycles: What Effect Does Additive Molecular Complexity Have on the Cycle Layout?

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Omar Aqel, Martin White, Abdulnaser Sayma
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A031, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128133
https://doi.org/10.1115/GT2024-128133
View Paper titled, CO2-Based Power Cycles: What Effect Does Additive Molecular Complexity Have on the Cycle Layout?
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Topics: Carbon dioxide, Cycles, Thermodynamic power cycles
Proceedings Papers

A Method to Develop Radial Inflow Turbine Performance Maps for Off-Design and Dynamic Simulation Studies of sCO2 Cycles

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Colin du Sart, Pieter Rousseau, Ryno Laubscher
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A030, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127958
https://doi.org/10.1115/GT2024-127958
View Paper titled, A Method to Develop Radial Inflow Turbine Performance Maps for Off-Design and Dynamic Simulation Studies of sCO2 Cycles
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Topics: Cycles, Design, Inflow, Simulation, Turbines, Fluids, Turbomachinery, Boundary-value problems, Brayton cycle, Concentrating solar power
Proceedings Papers

Performance and Control of the Primary Heat Exchanger in a Closed-Loop sCO 2 Brayton Cycle With Solid Fuel Combustion

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Brian Schooff, Rajarshi Roy, Fletcher Smith, Daniel Tree, Brian D. Iverson, Andrew Chiodo, Timothy J. Held, Jason Miller, Brett Bowan, Kyle Sedlacko, Michael Johnson, Scott Montgomery, Andrew Fry
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A020, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126013
https://doi.org/10.1115/GT2024-126013
View Paper titled, Performance and Control of the Primary Heat Exchanger in a Closed-Loop sCO 2 Brayton Cycle With Solid Fuel Combustion
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Topics: Brayton cycle, Combustion, Fuels, Heat exchangers
Proceedings Papers

Performance of sCO 2 Cycles for Waste Heat Recovery and Techno-Economic Perspective As Gas Turbine Bottoming Cycle

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Vincent Thielens, Frederiek Demeyer, Ward De Paepe
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123967
https://doi.org/10.1115/GT2024-123967
View Paper titled, Performance of sCO 2 Cycles for Waste Heat Recovery and Techno-Economic Perspective As Gas Turbine Bottoming Cycle
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Topics: Carbon capture and storage, Cycles, Economics , Gas turbines, Heat recovery
Proceedings Papers

Performance Evaluation of a Direct Air-Cooled Supercritical Recompression Brayton Cycle Using CO 2 /n-Butane As the Working Fluid Operating Under Off-Design Conditions

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Xurong Wang, Longwei Zhang, Jianhui Qi, Xiaowei Fan, Yiping Dai
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A001, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-121685
https://doi.org/10.1115/GT2024-121685
View Paper titled, Performance Evaluation of a Direct Air-Cooled Supercritical Recompression Brayton Cycle Using CO 2 /n-Butane As the Working Fluid Operating Under Off-Design Conditions
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Topics: Brayton cycle, Carbon dioxide, Cycles, Design, Fluids, Performance evaluation, Supercritical carbon dioxide
Proceedings Papers

Thermal Performance Characterization of Dry Gas Seals in a sCO 2 Compressor

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Rahul A. Bidkar, Uttara Kumar, Xiaohua Zhang, Nora Molino, Joshua Neveu, John Klaerner, Jeremy Johnson, J. Jeffrey Moore
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A035, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128872
https://doi.org/10.1115/GT2024-128872
View Paper titled, Thermal Performance Characterization of Dry Gas Seals in a sCO 2 Compressor
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Topics: Compressors, Heat transfer, Performance characterization, Turbomachinery, Flow (Dynamics), Temperature, Cavities, Failure, Supercritical carbon dioxide, Accounting
Proceedings Papers

Study on the Casing Recess Design Method for a Supercritical Carbon Dioxide Axial Turbine

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Zhuo Hu, Hongsheng Jiang, Weilin Zhuge, Yuping Qian, Yangjun Zhang
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A034, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128606
https://doi.org/10.1115/GT2024-128606
View Paper titled, Study on the Casing Recess Design Method for a Supercritical Carbon Dioxide Axial Turbine
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Topics: Design, Design methodology, Leakage flows, Supercritical carbon dioxide, Turbines
Proceedings Papers

Preliminary Characterization of the Desolination Project Demo Plant: Design and Off-Design Operability

Open Access

Ettore Morosini, Marco Astolfi, Michele Doninelli, Paolo Iora, Damien Serret, Jean-Michel Hugo, Giampaolo Manzolini
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A023, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-127246
https://doi.org/10.1115/GT2024-127246
View Paper titled, Preliminary Characterization of the Desolination Project Demo Plant: Design and Off-Design Operability
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Topics: Carbon dioxide, Cycles, Design, Plant design
Proceedings Papers

Numerical Investigation of the Axial Thrust Load of a Prototype Radial Turbine for Supercritical CO 2 Cycles

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Benedikt Lea, Francesca di Mare, Holger Franz
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A010, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-123806
https://doi.org/10.1115/GT2024-123806
View Paper titled, Numerical Investigation of the Axial Thrust Load of a Prototype Radial Turbine for Supercritical CO 2 Cycles
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Topics: Computational fluid dynamics, Cycles, Energy storage, Engineering prototypes, Stress, Supercritical carbon dioxide, Thrust, Turbines
Proceedings Papers

Blade Designs for Improved Multi-Phase Performance in sCO 2 Compressors: Part I - Design and Numerical Evaluation at Application Relevant Conditions

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Ashvin Hosangadi, Timothy Weathers, Antonio Cepero, Paul Cooper, Erik Fernandez, Jayanta Kapat
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A005, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122297
https://doi.org/10.1115/GT2024-122297
View Paper titled, Blade Designs for Improved Multi-Phase Performance in sCO 2 Compressors: Part I - Design and Numerical Evaluation at Application Relevant Conditions
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Topics: Blades, Compressors, Design
Proceedings Papers

Experimental Study of the Real Gas Effects of CO 2 on the Aerodynamic Performance Characteristics of a 1.5-Stage Axial Compressor

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Jeongseek Kang, Alex Vorobiev, Joshua D. Cameron, Scott C. Morris, Mark G. Turner, Kyle Sedlacko, Jason D. Miller, Timothy J. Held
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A052, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129572
https://doi.org/10.1115/GT2024-129572
View Paper titled, Experimental Study of the Real Gas Effects of CO 2 on the Aerodynamic Performance Characteristics of a 1.5-Stage Axial Compressor
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Topics: Carbon dioxide, Compressors, Performance characterization, Reynolds number
Proceedings Papers

Design of a Scroll-Centrifugal Compressor for Supercritical Carbon Dioxide Power Cycles

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Zimu Yang, Zhenbo Lu, Hongsheng Jiang, Weilin Zhuge, Panpan Song, Yuping Qian, Yangjun Zhang
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A033, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128413
https://doi.org/10.1115/GT2024-128413
View Paper titled, Design of a Scroll-Centrifugal Compressor for Supercritical Carbon Dioxide Power Cycles
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Topics: Compression, Compressors, Design, Supercritical carbon dioxide, Thermodynamic power cycles
Proceedings Papers

Development of Thermo-Mechanical Service-Like Testing for Supercritical CO 2 Expanders

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Federico Bucciarelli, Damaso Checcacci, Giuseppe Macoretta, Bernardo Disma Monelli, Leonardo Bertini
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A032, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-128170
https://doi.org/10.1115/GT2024-128170
View Paper titled, Development of Thermo-Mechanical Service-Like Testing for Supercritical CO 2 Expanders
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Topics: Supercritical carbon dioxide, Testing, Thermomechanics, Design, Stress, Carbon dioxide, Carburization, Corrosion, Creep, Cycles
Proceedings Papers

Vaneless Diffuser Modelling for Real Gas Supercritical Carbon Dioxide Flows- Need for a Data Driven Approach

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Lakshminarayanan Seshadri, Pramod Kumar
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A021, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126308
https://doi.org/10.1115/GT2024-126308
View Paper titled, Vaneless Diffuser Modelling for Real Gas Supercritical Carbon Dioxide Flows- Need for a Data Driven Approach
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Topics: Compressors, Flow (Dynamics), Modeling, Supercritical carbon dioxide, Vaneless diffusers
Proceedings Papers

Numerical Method for Investigating Non-Ideal Flow Demonstrated on a Centrifugal Compressor Operating Near the Critical Point of CO2

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Katharina Tegethoff, Carolina Borges de Almeida, Sebastian Schuster, Dieter Brillert
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A012, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124068
https://doi.org/10.1115/GT2024-124068
View Paper titled, Numerical Method for Investigating Non-Ideal Flow Demonstrated on a Centrifugal Compressor Operating Near the Critical Point of CO2
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Topics: Carbon dioxide, Compressors, Flow (Dynamics), Numerical analysis, Fluids, Compressibility, Computational fluid dynamics, Aerospace industry, Compressible flow, Equations of state
Proceedings Papers

The sCO2 Facility CARBOSOLA: Design, Purpose and Use for Investigating Geological Energy Storage Cycles

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Sebastian Unger, Stefan Fogel, Peter Schütz, Ricardo Chacartegui Ramirez, Andres Carro, Julio Carneiro, Uwe Hampel
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A004, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122133
https://doi.org/10.1115/GT2024-122133
View Paper titled, The sCO2 Facility CARBOSOLA: Design, Purpose and Use for Investigating Geological Energy Storage Cycles
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Topics: Cycles, Design, Energy storage
Proceedings Papers

Real Gas Effects on Autoignition Delay and Laminar Flame Speed Predictions for Direct-Fire sCO2 Combustion

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Cory Kinney, Carlos Velez, Scott Martin, Annalisa Forte, Pier Carlo Nassini, Alessandro Zucca, Subith S. Vasu
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A039, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129111
https://doi.org/10.1115/GT2024-129111
View Paper titled, Real Gas Effects on Autoignition Delay and Laminar Flame Speed Predictions for Direct-Fire sCO2 Combustion
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Topics: Combustion, Delays, Diffusion flames, Equations of state, Fire, Flames, Modeling, Natural gas, Supercritical carbon dioxide
Proceedings Papers

Transient Thermo-Structural Analysis of a Throttle Valve Operated With sCO2

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Cosimo Bianchini, Davide Bertini, Simone Sandrin, Vanessa Mariotti, Nicola Maceli, Lorenzo Arcangeli
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A038, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129030
https://doi.org/10.1115/GT2024-129030
View Paper titled, Transient Thermo-Structural Analysis of a Throttle Valve Operated With sCO2
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Topics: Transients (Dynamics), Valves, Flow (Dynamics), Steady state, Carbon dioxide, Computational fluid dynamics, Design, Finite element analysis, Heat transfer, Metals
Proceedings Papers

Off-Design Heat Exchanger Modelling for Transcritical CO 2 Heat Pump Cycles

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Leonhard Wolscht, Maxime Podeur, Martin Adams, Emmanuel Jacquemoud
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126683
https://doi.org/10.1115/GT2024-126683
View Paper titled, Off-Design Heat Exchanger Modelling for Transcritical CO 2 Heat Pump Cycles
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Topics: Carbon dioxide, Design, Heat exchangers, Heat pump cycles, Heat pumps, Modeling, Steady state
Proceedings Papers

Compressor Development for CO 2 -Based Pumped Thermal Energy Storage (PTES) Systems

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Timothy J. Held, Jason Miller, Kyle Sedlacko, Joshua Cameron, Scott Morris, Jeongseek Kang, Mark Turner
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124070
https://doi.org/10.1115/GT2024-124070
View Paper titled, Compressor Development for CO 2 -Based Pumped Thermal Energy Storage (PTES) Systems
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Topics: Carbon dioxide, Compressors, Thermal energy storage, Cycles, Design, Conceptual design, Pressure, Reservoirs, Engines, Fluid density