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Proceedings Papers

Experimental Analysis of an Elastohydrodynamic Seal for Supercritical Carbon Dioxide Turbomachinery

Jonah Henry, Hanping Xu, Mohammad Fuad Hassan, Sevki Cesmeci, Mohammad Towhidul Islam, Shuangbiao Liu, Jing Tang
Proc. ASME. POWER2023, ASME Power Applied R&D 2023, V001T04A004, August 6–8, 2023
Publisher: American Society of Mechanical Engineers
Paper No: POWER2023-108781
https://doi.org/10.1115/POWER2023-108781
... Tang Ultool, LLC Duluth, USA ABSTRACT To unlock the potential of sCO2 power cycles, technology readiness must be demonstrated on the scale of 10 600 MWe and at the sCO2 temperatures and pressures of 350 700 °C and 20 35 MPa for nuclear industries. The lack of suitable shaft seals in sCO2 operating...
View Paper titled, Experimental Analysis of an Elastohydrodynamic Seal for Supercritical Carbon Dioxide Turbomachinery
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Topics: Experimental analysis, Supercritical carbon dioxide, Turbomachinery, Leakage, Pressure, Temperature, High pressure (Physics), Clearances (Engineering), Cycles, Energy generation
Proceedings Papers

Numerical Modeling of an Elastohydrodynamic Seal Design for Supercritical CO 2 Power Cycles

Sevki Cesmeci, Ikenna Ejiogu, Md Mahmudur Rahman, Mohammad Fuad Hassan, Hanping Xu, Jing Tang
Proc. ASME. POWER2023, ASME Power Applied R&D 2023, V001T05A013, August 6–8, 2023
Publisher: American Society of Mechanical Engineers
Paper No: POWER2023-108959
https://doi.org/10.1115/POWER2023-108959
... Jing Tang Ultool, LLC Duluth, USA ABSTRACT Supercritical carbon dioxide (sCO2) leakage has been one of the major issues in sCO2 power cycles, penalizing the cycle efficiencies. The effect of the seal leakage on the cycle efficiency could be as high as 0.65% for a utility sCO2 power cycle. Therefore...
View Paper titled, Numerical Modeling of an Elastohydrodynamic Seal Design for Supercritical CO 2 Power Cycles
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Topics: Computer simulation, Design, Leakage, Supercritical carbon dioxide, Thermodynamic power cycles
Proceedings Papers

An Innovative Elasto-Hydrodynamic Seal Concept for Supercritical CO 2 Power Cycles

Sevki Cesmeci, Rubayet Hassan, Mohammad Fuad Hassan, Ikenna Ejiogu, Matthew DeMond, Hanping Xu, Jing Tang
Proc. ASME. POWER2021, ASME 2021 Power Conference, V001T04A002, July 20–22, 2021
Publisher: American Society of Mechanical Engineers
Paper No: POWER2021-64536
https://doi.org/10.1115/POWER2021-64536
..., and Jing Tang2 1Mechanical Engineering Department, Georgia Southern University, Savannah, GA, 31419 2Ultool, LLC, Duluth, GA, 30097 ABSTRACT 1. INTRODUCTION Supercritical CO2 (sCO2) power cycles are promising next Supercritical CO2 (sCO2) power cycles are superior over generation power technologies...
View Paper titled, An Innovative Elasto-Hydrodynamic Seal Concept for Supercritical CO 2 Power Cycles
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Topics: Supercritical carbon dioxide, Thermodynamic power cycles, Turbomachinery