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Proceedings Papers

A Proof-of-Concept Study of a Novel Elasto-Hydrodynamic Seal for CO 2

Karthik Reddy Lyathakula, Sevki Cesmeci, Mohammad Fuad Hassan, Hanping Xu, Jing Tang
Proc. ASME. POWER2022, ASME 2022 Power Conference, V001T12A003, July 18–19, 2022
Paper No: POWER2022-86607
DOI: https://doi.org/10.1115/POWER2022-86607
... Abstract This paper deals with numerical studies of a novel Elasto-Hydrodynamic Seal (EHD), which has been developed for supercritical CO 2 (sCO 2 ) turbomachinery applications. Current sCO 2 turbomachinery suffer from high leakage rates, which is creating a major roadblock for the full...
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Topics: Carbon dioxide, Leakage, Flow (Dynamics), Solid mechanics, Turbomachinery, Wear, Clearances (Engineering), Deformation, Energy generation, High pressure (Physics)
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
Paper No: POWER2021-64536
DOI: https://doi.org/10.1115/POWER2021-64536
... Proceedings of the ASME 2021 Power Conference POWER2021 July 20-22, 2021, Virtual, Online POWER2021-64536 AN INNOVATIVE ELASTO-HYDRODYNAMIC SEAL CONCEPT FOR SUPERCRITICAL CO2 POWER CYCLES Sevki Cesmeci1, Rubayet Hassan1, Mohammad Fuad Hassan1, Ikenna Ejiogu1, Matthew DeMond 1, Hanping Xu2...
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Topics: Supercritical carbon dioxide, Thermodynamic power cycles, Turbomachinery
Proceedings Papers

Test Research of the Leakage Performance in Steam Seal

Qi Cui, Zhao-he Zhang, Wang-kou Liu, Chang-jie Li
Proc. ASME. POWER2011, ASME 2011 Power Conference, Volume 2, 727-732, July 12–14, 2011
Paper No: POWER2011-55417
DOI: https://doi.org/10.1115/POWER2011-55417
... 09 03 2012 Steam seal is an important part in steam turbine, the leakage performance of seal has a significant impact on turbine efficiency. Research of seal is greatly emphasized with the development of design and manufacture technology, more professionals committed to the research...
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Topics: Leakage, Steam, Steam turbines, Design, Honeycomb structures, Testing performance, Turbines