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COMPASS-U Global Heat Balance Calculations
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SYSNO ASEP 0572766 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title COMPASS-U Global Heat Balance Calculations Author(s) Zhang, H. (US)
Titus, P. (US)
Peterka, Matěj (UFP-V) RID, ORCID
Bartoň, Petr (UFP-V)
Vondráček, Petr (UFP-V) RID, ORCIDNumber of authors 5 Source Title IEEE Transactions on Plasma Science. - : Institute of Electrical and Electronics Engineers - ISSN 0093-3813
Roč. 51, č. 3 (2023), s. 922-926Number of pages 5 s. Language eng - English Country US - United States Keywords Ansys ; compass-u ; global thermal analysis ; heat balance Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects EF16_019/0000768 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Limited access Institutional support UFP-V - RVO:61389021 UT WOS 000909993400001 EID SCOPUS 85146225601 DOI 10.1109/TPS.2022.3225719 Annotation COMPASS-U is a medium size, high magnetic field experimental tokamak ( R =0.9 m, Bt = 5 T, and Ip = 2 MA), built at the Institute of Plasma Physics, Czech Academy of Sciences (IPP-CAS). This global heat balance calculation for COMPASS-U was done at Princeton Plasma Physics Laboratory (PPPL). Based on our previous experience of building global thermal model for National Spherical Torus Experiment-Upgrade (NSTX-U) at PPPL, this 2-D global thermal model geometry represents a typical cross section of COMPASS-U machine. The model includes thermal radiation, conduction, and convection among components and also between the machine and outer environment. Helium gas heating/cooling was modeled with fluid element and surface element. This model was used to calculate component temperatures and heat distribution during heat up, cryogenic cool down, normal operation, and fault operation scenarios. Definition of 14 main thermal scenarios was provided by IPP-CAS. First nine are normal operation scenarios. Scenarios #10-#14 are fault scenarios. Some results of thermal scenario #5 will be given and discussed in this article, including peak temperatures, temperature ratcheting, energy distribution, and required cooling power. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2024 Electronic address https://ieeexplore.ieee.org/document/10004489
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