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Proceedings Papers

A Comparison Study for Off-Design Performance Prediction of a Supercritical CO 2 Compressor With Similitude Analysis

Yongju Jeong, Seongmin Son, Seong kuk Cho, Seungjoon Baik, Jeong Ik Lee
Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A031, July 28–August 1, 2019
Paper No: AJKFluids2019-5017
DOI: https://doi.org/10.1115/AJKFluids2019-5017
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Topics: Compressors, Design, Supercritical carbon dioxide, Thermodynamic power cycles
Proceedings Papers

RANS Simulation of a Radial Compressor With Supercritical CO 2 Fluid for External Loss Model Development

Seong Gu Kim, Seong Kuk Cho, Jeong Ik Lee, Jekyoung Lee, Si Woo Lee, Yacine Addad, Jae Eun Cha
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A020, June 11–15, 2018
Paper No: GT2018-76943
DOI: https://doi.org/10.1115/GT2018-76943
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Topics: Compressors, Fluids, Model development, Reynolds-averaged Navier–Stokes equations, Simulation, Supercritical carbon dioxide, Computational fluid dynamics, Condensation, Design, Energy budget (Physics)
Journal Articles

The Effect of Real Gas Approximations on S-CO 2 Compressor Design

Jekyoung Lee, Seong Kuk Cho, Jeong Ik Lee
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2018, 140(5): 051007.
Paper No: TURBO-17-1208
DOI: https://doi.org/10.1115/1.4038879
Published Online: April 6, 2018
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Topics: Approximation, Compressors, Design, Supercritical carbon dioxide, Errors
Proceedings Papers

Sensitivity Study of S-CO 2 Compressor Design for Different Real Gas Approximations

Jekyoung Lee, Seong Kuk Cho, Jae Eun Cha, Jeong Ik Lee
Proc. ASME. GT2016, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T36A010, June 13–17, 2016
Paper No: GT2016-57100
DOI: https://doi.org/10.1115/GT2016-57100
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Topics: Approximation, Compressors, Design, Supercritical carbon dioxide, Brayton cycle, Fluids, Specific heat, Technology development, Turbomachinery, Carbon dioxide
Proceedings Papers

S-CO 2 Turbine Design for Decay Heat Removal System of Sodium Cooled Fast Reactor

Seong Kuk Cho, Jekyoung Lee, Jeong Ik Lee, Jae Eun Cha
Proc. ASME. GT2016, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T36A006, June 13–17, 2016
Paper No: GT2016-56532
DOI: https://doi.org/10.1115/GT2016-56532
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Topics: Design, Heat, Sodium fast reactors, Supercritical carbon dioxide, Turbines, Design methodology, Nuclear reactors, Turbochargers, Brayton cycle, Compressors
Proceedings Papers

Off Design Performance Map Similarity Study of Radial Type Turbomachinery in Supercritical CO 2 Brayton Cycle

Seong Kuk Cho, Jekyoung Lee, Jeong Ik Lee
Proc. ASME. AJKFluids2015, Volume 1: Symposia, V001T09A001, July 26–31, 2015
Paper No: AJKFluids2015-7903
DOI: https://doi.org/10.1115/AJKFluids2015-7903
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Topics: Brayton cycle, Design, Supercritical carbon dioxide, Turbomachinery, Compressors, Power conversion systems, Cycles, Design methodology, Engineering design processes, Engineering prototypes
Proceedings Papers

Investigation of the Bottoming Cycle for High Efficiency Combined Cycle Gas Turbine System With Supercritical Carbon Dioxide Power Cycle

Seong Kuk Cho, Minseok Kim, Seungjoon Baik, Yoonhan Ahn, Jeong Ik Lee
Proc. ASME. GT2015, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T36A011, June 15–19, 2015
Paper No: GT2015-43077
DOI: https://doi.org/10.1115/GT2015-43077
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Topics: Combined cycle gas turbines, Cycles, Supercritical carbon dioxide, Thermodynamic power cycles, Steam, Temperature, Flow (Dynamics), Turbines, Brayton cycle, Cascades (Fluid dynamics)