Modelling of carbon deposition from CD 4 injection in the far scrape-off layer of TEXTOR

A. Kirschner; H. G. Esser; D. Matveev; O. Van Hoey; D. Borodin; A. Galonska; K. Ohya; V. Philipps; A. Pospieszczyk; U. Samm; O. Schmitz; P. Wienhold

doi:10.1088/0031-8949/2011/t145/014005

Modelling of carbon deposition from CD ₄ injection in the far scrape-off layer of TEXTOR

A. Kirschner, H. G. Esser, D. Matveev, O. Van Hoey, D. Borodin, A. Galonska, K. Ohya, V. Philipps, A. Pospieszczyk, U. Samm, O. Schmitz, P. Wienhold

Research output: Contribution to journal › Conference article › peer-review

2 Scopus citations

Abstract

To analyse the impurity transport in plasma-shadowed, remote areas, methane CD ₄ has been injected into the far scrape-off layer of TEXTOR through a cylinder equipped with a quartz micro balance (QMB). CD ₄ transport including break-up and resulting deposition on the QMB (shot-resolved) and on the cylinder top surface (shot-integrated) has been modelled with the codes ERO and 3D-GAPS. The modelling shows good agreement with the observations if reflection coefficients based on molecular dynamics simulations are used. In contrast to plasma-wetted areas, no enhanced erosion has to be applied.

Original language	English
Article number	014005
Journal	Physica Scripta
Volume	T145
DOIs	https://doi.org/10.1088/0031-8949/2011/t145/014005
State	Published - 2011
Externally published	Yes
Event	13th International Workshop on Plasma-Facing Materials and Components for Fusion Applications, PFMC-13 and 1st International Conference on Fusion Energy Materials Science, FEMaS-1 - Rosenheim, Germany Duration: 9 May 2011 → 13 May 2011

Funding

Funders	Funder number
Japan Society for the Promotion of Science	19055005

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10.1088/0031-8949/2011/t145/014005

https://iopscience.iop.org/article/10.1088/0031-8949/2011/T145/014005/pdf

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title = "Modelling of carbon deposition from CD 4 injection in the far scrape-off layer of TEXTOR",

abstract = "To analyse the impurity transport in plasma-shadowed, remote areas, methane CD 4 has been injected into the far scrape-off layer of TEXTOR through a cylinder equipped with a quartz micro balance (QMB). CD 4 transport including break-up and resulting deposition on the QMB (shot-resolved) and on the cylinder top surface (shot-integrated) has been modelled with the codes ERO and 3D-GAPS. The modelling shows good agreement with the observations if reflection coefficients based on molecular dynamics simulations are used. In contrast to plasma-wetted areas, no enhanced erosion has to be applied.",

author = "A. Kirschner and Esser, {H. G.} and D. Matveev and {Van Hoey}, O. and D. Borodin and A. Galonska and K. Ohya and V. Philipps and A. Pospieszczyk and U. Samm and O. Schmitz and P. Wienhold",

year = "2011",

doi = "10.1088/0031-8949/2011/t145/014005",

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note = "13th International Workshop on Plasma-Facing Materials and Components for Fusion Applications, PFMC-13 and 1st International Conference on Fusion Energy Materials Science, FEMaS-1 ; Conference date: 09-05-2011 Through 13-05-2011",

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T1 - Modelling of carbon deposition from CD 4 injection in the far scrape-off layer of TEXTOR

AU - Kirschner, A.

AU - Esser, H. G.

AU - Matveev, D.

AU - Van Hoey, O.

AU - Borodin, D.

AU - Galonska, A.

AU - Ohya, K.

AU - Philipps, V.

AU - Pospieszczyk, A.

AU - Samm, U.

AU - Schmitz, O.

AU - Wienhold, P.

PY - 2011

Y1 - 2011

N2 - To analyse the impurity transport in plasma-shadowed, remote areas, methane CD 4 has been injected into the far scrape-off layer of TEXTOR through a cylinder equipped with a quartz micro balance (QMB). CD 4 transport including break-up and resulting deposition on the QMB (shot-resolved) and on the cylinder top surface (shot-integrated) has been modelled with the codes ERO and 3D-GAPS. The modelling shows good agreement with the observations if reflection coefficients based on molecular dynamics simulations are used. In contrast to plasma-wetted areas, no enhanced erosion has to be applied.

AB - To analyse the impurity transport in plasma-shadowed, remote areas, methane CD 4 has been injected into the far scrape-off layer of TEXTOR through a cylinder equipped with a quartz micro balance (QMB). CD 4 transport including break-up and resulting deposition on the QMB (shot-resolved) and on the cylinder top surface (shot-integrated) has been modelled with the codes ERO and 3D-GAPS. The modelling shows good agreement with the observations if reflection coefficients based on molecular dynamics simulations are used. In contrast to plasma-wetted areas, no enhanced erosion has to be applied.

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T2 - 13th International Workshop on Plasma-Facing Materials and Components for Fusion Applications, PFMC-13 and 1st International Conference on Fusion Energy Materials Science, FEMaS-1

Y2 - 9 May 2011 through 13 May 2011

ER -

Modelling of carbon deposition from CD ₄ injection in the far scrape-off layer of TEXTOR

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