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The dependence of c...
The dependence of confinement on the isotope mass in the core and the edge of AUG and JET-ILW H-mode plasmas
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- Schneider, P. A. (författare)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany.
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- Angioni, C. (författare)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany.
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- Frassinetti, Lorenzo (författare)
- KTH,Fusionsplasmafysik
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- Horvath, L. (författare)
- United Kingdom Atom Energy Author, Culham Ctr Fus Energy, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.
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- Maslov, M. (författare)
- United Kingdom Atom Energy Author, Culham Ctr Fus Energy, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.
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- Auriemma, F. (författare)
- Univ Padua, Consorzio RFX CNR, Acciaierie Veneto SpA, Ist Nazl Fis Nucl,ENENA, Padua, Italy.;CNR, ISTP, Corso Stati Uniti 4, I-35127 Padua, Italy.
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- Cavedon, M. (författare)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany.;Univ Milano Bicocca, Dipartimento Fisica G Occhialini, Milan, Italy.
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- Challis, C. D. (författare)
- United Kingdom Atom Energy Author, Culham Ctr Fus Energy, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.
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- Delabie, E. (författare)
- Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
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- Dunne, M. G. (författare)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany.
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- Climent, J. M. Fontdecaba (författare)
- United Kingdom Atom Energy Author, Culham Ctr Fus Energy, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.
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- Hobirk, J. (författare)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany.
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- Kappatou, A. (författare)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany.
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- Keeling, D. L. (författare)
- United Kingdom Atom Energy Author, Culham Ctr Fus Energy, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.
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- Kurzan, B. (författare)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany.
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- Lennholm, M. (författare)
- United Kingdom Atom Energy Author, Culham Ctr Fus Energy, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.
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- Lomanowski, B. (författare)
- Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA.
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- Maggi, C. F. (författare)
- United Kingdom Atom Energy Author, Culham Ctr Fus Energy, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.
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- McDermott, R. M. (författare)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany.
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- Puetterich, T. (författare)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany.
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- Thorman, A. (författare)
- United Kingdom Atom Energy Author, Culham Ctr Fus Energy, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.
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- Willensdorfer, M. (författare)
- Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany.
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Max Planck Inst Plasma Phys, Boltzmannstr 2, D-85748 Garching, Germany Fusionsplasmafysik (creator_code:org_t)
- 2021-12-22
- 2022
- Engelska.
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Ingår i: Nuclear Fusion. - : IOP Publishing. - 0029-5515 .- 1741-4326. ; 62:2
- Relaterad länk:
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https://iopscience.i...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Experiments in ASDEX Upgrade (AUG) and JET with the ITER-like wall (JET-ILW) are performed to separate the pedestal and core contributions to confinement in H-modes with different main ion masses. A strong isotope mass dependence in the pedestal is found which is enhanced at high gas puffing. This is because the ELM type changes when going from D to H for matched engineering parameters, which is likely due to differences in the inter ELM transport with isotope mass. The pedestal can be matched in H and D plasmas by varying only the triangularity and keeping the engineering parameters relevant for core transport the same. With matched pedestals Astra/TGLF (Sat1geo) core transport simulations predict the experimental profiles equally well for H and D. These core transport simulations show a negligible mass dependence and no gyro-Bohm scaling is observed. However, to match the experimental observations at medium beta it is required to take the fast-ion dilution and rotation into account. This is not enough for high beta plasmas where for the first time a profile match between H and D plasmas was achieved experimentally. Under these conditions quasilinear modelling with TGLF over predicts the transport in the core of H and D plasmas alike.
Ämnesord
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Nyckelord
- tokamak
- heat transport
- isotope effect
- pedestal stability
- quasilinear modelling
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Schneider, P. A.
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Angioni, C.
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Frassinetti, Lor ...
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Horvath, L.
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Maslov, M.
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Auriemma, F.
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visa fler...
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Cavedon, M.
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Challis, C. D.
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Delabie, E.
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Dunne, M. G.
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Climent, J. M. F ...
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Hobirk, J.
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Kappatou, A.
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Keeling, D. L.
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Kurzan, B.
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Lennholm, M.
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Lomanowski, B.
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Maggi, C. F.
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McDermott, R. M.
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Puetterich, T.
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Thorman, A.
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Willensdorfer, M ...
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