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Fusion Science and Technology Volume 80, 2024 - Issue 1
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Research Articles

Targeting a Versatile Actuator for EU-DEMO: Real Time Monitoring of Pellet Delivery to Facilitate Burn Control

P. T. Langa Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0003-1586-8518
ORCID Icon,
M. van Berkelb DIFFER, P.O. Box 6336, 5600HHEindhoven, The NetherlandsORCID Iconhttps://orcid.org/0000-0001-6574-3823
ORCID Icon,
W. Bielc Forschungszentrum Jülich GmbH, Institut für Energie und Klimaforschung, Jülich, GermanyORCID Iconhttps://orcid.org/0000-0001-6617-6533
ORCID Icon,
T. O. S. J. Bosmanb DIFFER, P.O. Box 6336, 5600HHEindhoven, The NetherlandsORCID Iconhttps://orcid.org/0000-0002-7922-7974
ORCID Icon,
P. Davida Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0000-0003-4837-8507
ORCID Icon,
Ch. Dayd Karlsruhe Institute of Technology, 76021Karlsruhe, GermanyORCID Iconhttps://orcid.org/0000-0002-5606-5773
ORCID Icon,
E. Fablea Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0000-0001-5019-9685
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L. Giannonea Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0000-0001-5611-200X
ORCID Icon,
M. Grienera Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0000-0003-2953-536X
ORCID Icon,
T. Giegerichd Karlsruhe Institute of Technology, 76021Karlsruhe, GermanyORCID Iconhttps://orcid.org/0000-0002-0193-4791
ORCID Icon,
A. Kallenbacha Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0000-0003-0538-2493
ORCID Icon,
M. Kirchera Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0009-0001-5774-5359
ORCID Icon,
A. Krimmerc Forschungszentrum Jülich GmbH, Institut für Energie und Klimaforschung, Jülich, GermanyORCID Iconhttps://orcid.org/0000-0002-1670-6345
ORCID Icon,
O. Kudlaceka Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0009-0008-0356-115X
ORCID Icon,
M. Marascheka Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0000-0002-3246-7559
ORCID Icon,
B. Ploeckla Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0000-0001-6057-5402
ORCID Icon,
B. Sieglina Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0000-0002-9480-4434
ORCID Icon,
W. Suttropa Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0000-0003-0983-8881
ORCID Icon,
H. Zohma Max-Planck-Institut für Plasmaphysik, Boltzmannstr. 2, 85748Garching, GermanyORCID Iconhttps://orcid.org/0000-0002-8870-7806
ORCID Icon &
ASDEX Upgrade Team
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Pages 26-37 | Received 14 Oct 2022, Accepted 06 Mar 2023, Published online: 11 May 2023

References

  • F. JANKY et al., “Kinetic Control,” Proc. 5th IAEA DEMO Programme Workshop, Daejeon, Korea, May 2018, International Atomic Energy Agency (2018).
  • P. T. LANG et al., “Optimizing the EU-DEMO Pellet Fuelling Scheme,” Fusion Eng. Des., 156, 111591 (2020); https://doi.org/10.1016/j.fusengdes.2020.111591.
  • T. BLANKEN et al., “Model-Based Real-Time Plasma Electron Density Profile Estimation and Control on ASDEX Upgrade and TCV,” Fusion Eng. Des., 147, 111211 (2019); https://doi.org/10.1016/j.fusengdes.2019.05.030.
  • P. T. LANG et al., “Actuator Development Step by Step: Pellet Particle Flux Control for Single- and Multiple-Source Systems,” Fusion Sci. Technol., 78, 1 (2022); https://doi.org/10.1080/15361055.2021.1940034.
  • C. ANDELFINGER et al., “A New Centrifuge Pellet Injector for Fusion Experiments,” Rev. Sci. Instrum., 64, 4, 983 (1993); https://doi.org/10.1063/1.1144101.
  • M. MARASCHEK et al., “Path-Oriented Early Reaction to Approaching Disruptions in ASDEX Upgrade and TCV in View of the Future Needs for ITER and DEMO,” Plasma Phys. Control. Fusion, 60, 01447 (2018); https://doi.org/10.1088/1361-6587/aa8d05.
  • B. PLOECKL et al., “The Enhanced High Speed Inboard Pellet Fuelling System at ASDEX Upgrade,” Fusion Eng. Des., 88, 1059 (2013); https://doi.org/10.1016/j.fusengdes.2012.12.025.
  • A. KRIMMER et al., “Pellet Monitoring Diagnostic System,” EFDA_D_2PJA3U, EUROfusion.
  • B. PLOECKL et al., “Targeting a Versatile Actuator for EU-DEMO: Novel Control Scheme for Multisource Pellet Injector,” Fusion Sci. Technol., 77, 199 (2021); https://doi.org/10.1080/15361055.2020.1864172.
  • P. T. LANG et al., “H-Mode Confinement in the Pellet-Enforced High-Density Regime of the All-Metal-Wall Tokamak ASDEX Upgrade,” Nucl. Fusion, 60, 092003 (2020); https://doi.org/10.1088/1741-4326/ab6ea9.
  • R. PINTELON and J. SCHOUKENS, System Identification: A Frequency Domain Approach, 2nd ed., Wiley, New York (2012).
  • J. T. W. KOENDERS et al., “Systematic Extraction of a Control-Oriented Model from Perturbative Experiments and SOLPS-ITER for Emission Front Control in TCV,” Nucl. Fusion, 62, 066025 (2022); https://doi.org/10.1088/1741-4326/ac5b8c.
  • T. RAVENSBERGEN et al., “Real-Time Feedback Control of the Impurity Emission Front in Tokamak Divertor Plasmas,” Nat. Commun., 12, 1105 (2021); https://doi.org/10.1038/s41467-021-21268-3.
  • T. O. S. J. BOSMAN et al., “Model-Based Electron Density Profile Estimation and Control, Applied to ITER,” J. Phys. Commun., 5, 115015 (2021); https://iopscience.iop.org/article/10.1088/2399-6528/ac3547.
  • G. DERKS et al., Plasma Phys. Control. Fusion, 64, 125013 (2022); https://iopscience.iop.org/article/10.1088/1361-6587/ac9dbd.
  • T. O. S. J. BOSMAN et al. “Overview and results of the system identification experiments for detachment and MIMO density control at ASDEX Upgrade,” (2023), in preparation.
  • M. VAN BERKEL et al., “Correcting for Non-Periodic Behaviour in Perturbative Experiments: Application to Heat Pulse Propagation and Modulated Gas-Puff Experiments,” Plasma Phys. Control. Fusion, 62, 094001 (2020); https://doi.org/10.1088/1361-6587/ab9eaa.
  • C. GLISS, EUROfusion Fusion Technology Department, Personal Communication (Apr. 25, 2022).
  • B. PLOECKL et al., “Matter Injection in EU-DEMO: The Preconceptual Design,” Fusion Sci. Technol., 77, 266 (2021); https://doi.org/10.1080/15361055.2021.1903784.
  • P. T. LANG et al., “Considerations on the DEMO Pellet Fuelling System,” Fusion Eng. Des., 96–97, 123 (2015); https://doi.org/10.1016/j.fusengdes.2015.04.014.
  • T. SZEPESI et al., “Volume Measurement of Cryogenic Deuterium Pellets by Bayesian Analysis of Single Shadowgraphy Images,” Rev. Sci. Instrum., 79, 3, 033501 (2008); https://doi.org/10.1063/1.2870089.
  • P. T. LANG et al., “ELM Pace Making and Mitigation by Pellet Injection in ASDEX Upgrade,” Nucl. Fusion, 44, 665 (2004); https://doi.org/10.1088/0029-5515/44/5/010.
  • M. LENNHOLM et al., “Statistical Assessment of ELM Triggering by Pellets on JET,” Nucl. Fusion, 61, 36035 (2021); https://doi.org/10.1088/1741-4326/abd861.
  • L. R. BAYLOR et al., “Reduction of Edge-Localized Mode Intensity Using High-Repetition-Rate Pellet Injection in Tokamak H-Mode Plasmas,” Phys. Rev. Lett., 110, 24, 245001 (2013); https://doi.org/10.1103/PhysRevLett.110.245001.
  • M. G. DUNNE et al., “The Role of the Density Profile in the ASDEX-Upgrade Pedestal Structure,” Plasma Phys. Control. Fusion, 59, 014017 (2017); https://doi.org/10.1088/0741-3335/59/1/014017.
  • A. KALLENBACH et al., “Developments Towards an ELM-Free Pedestal Radiative Cooling Scenario Using Noble Gas Seeding in ASDEX Upgrade,” Nucl. Fusion, 61, 016002 (2021); https://doi.org/10.1088/1741-4326/abbba0.
  • A. KALLENBACH et al., “Argon Doped Pellets for Fast and Efficient Radiative Power Removal in ASDEX Upgrade,” Nucl. Fusion, 62, 106013 (2022); https://doi.org/10.1088/1741-4326/ac888a.
  • P. T. LANG et al., “A Flexible Pellet Injection System for the Tokamak JT-60SA: The Final Conceptual Design,” Fusion Sci. Technol., 75, 178 (2019); https://doi.org/10.1080/15361055.2018.1471960.
  • B. PLOECKL et al., “Comparison of Different Pellet Injection Systems for ELM Pacing,” Fusion Eng. Des., 86, 1022 (2011); https://doi.org/10.1016/j.fusengdes.2011.02.007.

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