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Optimization of S-CO2 power conversion layouts with energy storage for the pulsed DEMO reactor
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SYSNO ASEP 0548226 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Optimization of S-CO2 power conversion layouts with energy storage for the pulsed DEMO reactor Author(s) Syblik, J. (CZ)
Entler, Slavomír (UFP-V) ORCID
Štepánek, J. (CZ)
Dostál, V. (CZ)
Zacha, P. (CZ)
Veselý, L. (CZ)Number of authors 6 Article number 112609 Source Title Fusion Engineering and Design. - : Elsevier - ISSN 0920-3796
Roč. 169, August (2021)Number of pages 5 s. Language eng - English Country CH - Switzerland Keywords Brute-force ; demo ; Energy storage ; Nuclear fusion ; Power conversion cycle ; Supercritical CO 2 Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects EF16_019/0000778 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Limited access Institutional support UFP-V - RVO:61389021 UT WOS 000674482900008 EID SCOPUS 85106211412 DOI 10.1016/j.fusengdes.2021.112609 Annotation Nowadays, the technology of fusion power reactors faces various engineering obstacles. One of the most discussed topics is the pulse and dwell period of the fusion power reactor, which may be the most challenging for material engineering, electrical power grid, energy storage systems, etc. The main goal of this research is to calculate the optimized parameters for power cycles to gain the highest efficiency. This article also describes the optimization method of a possible supercritical CO2 power conversion cycle in DEMO. For comparison, there were chosen two Brayton power cycle layouts using S-CO2. The calculation focuses on the optimization due to the difference between the gained electrical power for these two periods, which lowers the oscillations in the power output. Besides, the approach of calculation via upgraded software for the power conversion cycles optimization is described. The optimization of this specific DEMO design points to the simple Brayton cycle as a better choice due to simplicity, higher flexibility and slightly higher gross efficiency. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2022 Electronic address https://www.sciencedirect.com/science/article/pii/S0920379621003859?via%3Dihub
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