Comparison of OEDGE and EDGE2D-EIRENE predictions of the scrape-off layer conditions for attached plasmas

Predictions of the scrape-off layer (SOL) plasma conditions from the 2D multi-fluid code EDGE2D-EIRENE are compared to the OEDGE 1D fluid code for JET low-confinement mode (L-mode) plasmas. In the low-recycling divertor conditions (divertor target plasma collisionality (Formula presented.)), OEDGE and EDGE2D-EIRENE agree on the electron temperature, the ion temperature, and the electron density within 10% in the low-field side (LFS) divertor X-point region (divertor SOL) and within 25% in the LFS midplane region. In high-recycling conditions ((Formula presented.)), the predictions of both codes agree on the electron temperature within 20%, while differences in the ion temperature and electron density increase to as high as 50% in the divertor SOL.

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EDGE2D, EIRENE, fusion, OEDGE, scrape-off layer

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10.1002/ctpp.202300107

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Rikala, V P, Groth, M, Kumpulainen, H & Rees, D 2024, ' Comparison of OEDGE and EDGE2D-EIRENE predictions of the scrape-off layer conditions for attached plasmas ', Contributions to Plasma Physics, vol. 64, no. 7-8, e202300107 . https://doi.org/10.1002/ctpp.202300107

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https://urn.fi/URN:NBN:fi:aalto-202410096671

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[article-cris] Perustieteiden korkeakoulu / SCI

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Comparison of OEDGE and EDGE2D-EIRENE predictions of the scrape-off layer conditions for attached plasmas

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