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Journal Articles

Modeling of Metal Matrix Concentrated Solar Receivers for Supercritical Carbon Dioxide Power Blocks

Vyas Duggirala, Venkatanarasimha Hegde, Pramod Kumar, Venkateswara Reddy
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031010.
Paper No: GTP-24-1430
https://doi.org/10.1115/1.4066371
Published Online: October 4, 2024
View Article titled, Modeling of Metal Matrix Concentrated Solar Receivers for Supercritical Carbon Dioxide Power Blocks
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Topics: Computer simulation, Density, Enthalpy, Heat exchangers, Metals, Microchannels, Modeling, Phase change materials, Solar energy, Supercritical carbon dioxide
Journal Articles

Dynamic Performance and Control Analysis Of a Supercritical CO 2 Recuperated Cycle

Accepted Manuscript
Swatara Tucker, Simone Maccarini, Luca Mantelli, Alberto Traverso
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1624
https://doi.org/10.1115/1.4066785
Published Online: October 4, 2024
View Article titled, Dynamic Performance and Control Analysis Of a Supercritical CO 2 Recuperated Cycle
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Topics: Cycles, Supercritical carbon dioxide, Control equipment, Compressors, Feedforward control, Fluids, Surges, Carbon dioxide, Concentrating solar power, Design
Journal Articles

Optimal Part-Load Control of Supercritical Carbon Dioxide Brayton Cycles

Accepted Manuscript
Shrey Gupta, Pramod Kumar
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1610
https://doi.org/10.1115/1.4066782
Published Online: October 4, 2024
View Article titled, Optimal Part-Load Control of Supercritical Carbon Dioxide Brayton Cycles
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Topics: Brayton cycle, Stress, Supercritical carbon dioxide, Cycles, Compressors, Gas compressors, Turbomachinery, Carbon footprint, Design, Modeling
Journal Articles

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

Accepted Manuscript
Lakshminarayanan Seshadri, Pramod Kumar
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1602
https://doi.org/10.1115/1.4066709
Published Online: September 28, 2024
View Article titled, Vaneless Diffuser Modelling for Real Gas Supercritical Carbon Dioxide Flows- Need for a Data Driven Approach
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Topics: Flow (Dynamics), Modeling, Supercritical carbon dioxide, Vaneless diffusers, Artificial neural networks, Computational fluid dynamics, Skin friction (Fluid dynamics), Compressors, Differential equations, Friction
Journal Articles

Supercritical Carbon Dioxide Mixing Loss Characteristics Near the Critical Point

Accepted Manuscript
Jinhong Wang, Teng Cao, Ricardo F. Martinez-Botas
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1609
https://doi.org/10.1115/1.4066603
Published Online: September 23, 2024
View Article titled, Supercritical Carbon Dioxide Mixing Loss Characteristics Near the Critical Point
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Topics: Ducts, Entropy, Flow (Dynamics), Fluids, Leakage flows, Nuclides, Pressure, Supercritical carbon dioxide, Temperature, Temperature gradient
Journal Articles

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

Accepted Manuscript
Vincent Thielens, Frederiek Demeyer, Ward De Paepe
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1537
https://doi.org/10.1115/1.4066599
Published Online: September 23, 2024
View Article titled, Performance of sCO 2 Cycles for Waste Heat Recovery and Techno-Economic Perspective As Gas Turbine Bottoming Cycle
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Topics: Cycles, Economics , Gas turbines, Heat recovery, Steam, Heat, Combined heat and power, Exhaust systems, Gases, Supercritical carbon dioxide
Journal Articles

Axial Flow Fan Performance in a Forced Draught Air-Cooled Heat Exchanger for a Supercritical Carbon Dioxide Brayton Cycle

Francois D. Boshoff, Sybrand J. van der Spuy, Johannes P. Pretorius
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011019.
Paper No: GTP-24-1397
https://doi.org/10.1115/1.4066248
Published Online: September 19, 2024
View Article titled, Axial Flow Fan Performance in a Forced Draught Air-Cooled Heat Exchanger for a Supercritical Carbon Dioxide Brayton Cycle
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Topics: Cooling, Flow (Dynamics), Heat exchangers, Modeling, Pressure, Brayton cycle, Design, Axial flow, Computational fluid dynamics, Rotors
Journal Articles

Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal

Zhigang Li, Zihan Zhang, Jun Li
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2025, 147(1): 011005.
Paper No: GTP-24-1148
https://doi.org/10.1115/1.4066287
Published Online: September 13, 2024
View Article titled, Sensitivity Analysis of the Static and Rotordynamic Characteristics on Geometric Parameters for a Supercritical Carbon Dioxide Hole-Pattern Damper Seal
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Topics: Cavities, Computer simulation, Dampers, Damping, Design, Fluids, Leakage, Leakage flows, Numerical analysis, Rotors
Journal Articles

CFD Modeling of Additively Manufactured Extreme Environment Heat Exchangers for Waste Heat Recuperation

Accepted Manuscript
Vyas Duggirala, Venkateshwara Reddy, Arun Muley, Michael Stoia, Doug Vanaffelen
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1437
https://doi.org/10.1115/1.4066512
Published Online: September 12, 2024
View Article titled, CFD Modeling of Additively Manufactured Extreme Environment Heat Exchangers for Waste Heat Recuperation
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Topics: Additive manufacturing, Computational fluid dynamics, Heat exchangers, Modeling, Waste heat, Design, Heat transfer, Manifolds, Pressure, Temperature
Journal Articles

Effect of Impurities on the Compatibility of Steels in Supercritical CO 2 at 450°–650°C

Bruce A. Pint, Michael J. Lance, Rishi Pillai, James R. Keiser
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2024, 146(9): 091007.
Paper No: GTP-23-1610
https://doi.org/10.1115/1.4064585
Published Online: March 11, 2024
View Article titled, Effect of Impurities on the Compatibility of Steels in Supercritical CO 2 at 450°–650°C
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Topics: Alloys, Cycles, Steel, Supercritical carbon dioxide, Temperature, Water, Combustion, Oxidation, Carbon
Journal Articles

Optimization of a High Pressure Turbine Blade and Sector-Based Annular Rig Design for Supercritical CO 2 Power Cycle Representative Testing

Logan Tuite, James Braun, Guillermo Paniagua
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2024, 146(6): 061017.
Paper No: GTP-23-1463
https://doi.org/10.1115/1.4063956
Published Online: January 4, 2024
View Article titled, Optimization of a High Pressure Turbine Blade and Sector-Based Annular Rig Design for Supercritical CO 2 Power Cycle Representative Testing
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Topics: Blades, Design, Optimization, Supercritical carbon dioxide, Flow (Dynamics), Testing, Pressure, High pressure (Physics)
Journal Articles

Windage Loss Models for Enclosed Cylindrical Flows Under S-CO 2 Condition

Dokyu Kim, Yongju Jeong, In Woo Son, Jeong Ik Lee
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2023, 145(12): 121013.
Paper No: GTP-23-1004
https://doi.org/10.1115/1.4063522
Published Online: October 26, 2023
View Article titled, Windage Loss Models for Enclosed Cylindrical Flows Under S-CO 2 Condition
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Topics: Supercritical carbon dioxide, Turbomachinery, Flow (Dynamics), Density, Design
Journal Articles

Techno-Economic Comparison of Supercritical CO 2 , Steam, and Organic Rankine Cycles for Waste Heat Recovery Applications

Giovanni Baglietto, Simone Maccarini, Alberto Traverso, Paolo Bruttini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2023, 145(4): 041021.
Paper No: GTP-22-1439
https://doi.org/10.1115/1.4055727
Published Online: December 14, 2022
View Article titled, Techno-Economic Comparison of Supercritical CO 2 , Steam, and Organic Rankine Cycles for Waste Heat Recovery Applications
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Topics: Cycles, Economics , Electricity (Physics), Heat recovery, Optimization, Organic Rankine cycle, Steam, Supercritical carbon dioxide, Temperature, Fluids
Journal Articles

Design and Operability Challenges for Supercritical CO 2 Plants: The sCO 2 -Flex Centrifugal Compressor Test Experience

Bigi Manuele, Bisio Valentina, Evangelisti Silvia, Giancotti Marco, Milani Alberto, Pellegrini Tiziano
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031024.
Paper No: GTP-22-1345
https://doi.org/10.1115/1.4055707
Published Online: December 13, 2022
View Article titled, Design and Operability Challenges for Supercritical CO 2 Plants: The sCO 2 -Flex Centrifugal Compressor Test Experience
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Topics: Carbon dioxide, Compressors, Design, Engineering prototypes, Pressure, Safety, Suction, Vibration, Transients (Dynamics), Supercritical carbon dioxide
Journal Articles

An Experimental Investigation of Supercritical Methane Injection Characteristics in a CO 2 Environment

Ritesh Ghorpade, Gihun Kim, K. R. V. Manikantachari (Raghu), Joshua Weiner, Daniel T. Banuti, Subith Vasu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2023, 145(3): 031018.
Paper No: GTP-22-1280
https://doi.org/10.1115/1.4055632
Published Online: December 8, 2022
View Article titled, An Experimental Investigation of Supercritical Methane Injection Characteristics in a CO 2 Environment
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Topics: Carbon dioxide, Density, Fluids, Methane, Pressure, Temperature, Supercritical carbon dioxide
Journal Articles

Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring

Tao Yuan, Zhigang Li, Jun Li, Qi Yuan
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2023, 145(1): 011011.
Paper No: GTP-22-1145
https://doi.org/10.1115/1.4055787
Published Online: October 20, 2022
View Article titled, Static and Rotordynamic Characteristics for Supercritical Carbon Dioxide Spiral Groove Dry Gas Seal With the Tilted Seal Ring
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Topics: Damping, Displacement, Film thickness, Fluid films, Fluids, Leakage, Pressure, Sealing (Process), Stiffness, Supercritical carbon dioxide
Journal Articles

Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery

Zhigang Li, Zhuocong Li, Jun Li, Zhenping Feng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2022, 144(7): 071006.
Paper No: GTP-21-1636
https://doi.org/10.1115/1.4054374
Published Online: May 20, 2022
View Article titled, Static and Rotordynamic Characteristics for Two Types of Novel Hole-Pattern Seals Operating in Supercritical CO 2 Turbomachinery
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Topics: Brakes, Cavities, Clearances (Engineering), Dampers, Damping, Fluids, Pressure, Rotors, Stiffness, Supercritical carbon dioxide
Journal Articles

A Code for the Preliminary Design of Cooled Supercritical CO 2 Turbines and Application to the Allam Cycle

Roberto Scaccabarozzi, Emanuele Martelli, Matteo Pini, Carlo Maria De Servi, Paolo Chiesa, Manuele Gatti
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2022, 144(3): 031012.
Paper No: GTP-20-1784
https://doi.org/10.1115/1.4052146
Published Online: January 3, 2022
View Article titled, A Code for the Preliminary Design of Cooled Supercritical CO 2 Turbines and Application to the Allam Cycle
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Topics: Blades, Cooling, Cycles, Design, Flow (Dynamics), Fluids, Turbines, Coolants, Stress, Supercritical carbon dioxide
Journal Articles

A Comparison Between Organic Rankine Cycle and Supercritical CO 2 Bottoming Cycles for Energy Recovery From Industrial Gas Turbines Exhaust Gas

Alessandra Maria Ancona, Michele Bianchi, Lisa Branchini, Andrea De Pascale, Francesco Melino, Antonio Peretto, Noemi Torricelli
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121014.
Paper No: GTP-21-1282
https://doi.org/10.1115/1.4051950
Published Online: October 12, 2021
View Article titled, A Comparison Between Organic Rankine Cycle and Supercritical CO 2 Bottoming Cycles for Energy Recovery From Industrial Gas Turbines Exhaust Gas
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Topics: Cycles, Organic Rankine cycle, Supercritical carbon dioxide, Gas turbines, Turbines, Pressure, Exhaust systems, Temperature, Carbon dioxide, Heat recovery
Journal Articles

Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery

Zhigang Li, Zhuocong Li, Jun Li, Zhenping Feng
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2021, 143(10): 101002.
Paper No: GTP-21-1024
https://doi.org/10.1115/1.4051104
Published Online: June 17, 2021
View Article titled, Leakage and Rotordynamic Characteristics for Three Types of Annular Gas Seals Operating in Supercritical CO 2 Turbomachinery
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Topics: Brakes, Cavities, Dampers, Damping, Fluids, Leakage, Pressure, Rotors, Stiffness, Supercritical carbon dioxide