Calculating tungsten density profiles in DIII-D plasmas using the STRAHL transport code

B. S. Victor; S. L. Allen; C. T. Holcomb; T. W. Petrie; E. A. Unterberg; D. M. Thomas; B. A. Grierson; E. M. Hollmann

Calculating tungsten density profiles in DIII-D plasmas using the STRAHL transport code

B. S. Victor, S. L. Allen, C. T. Holcomb, T. W. Petrie, E. A. Unterberg, D. M. Thomas, B. A. Grierson, E. M. Hollmann

Power Exhaust and Particle Control

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

The STRAHL transport code has been implemented on DIII-D to calculate tungsten (W) density profiles from spectrometer, soft x-ray, and bolometer measurements during a metal rings campaign. STRAHL results show that the ratio of the convective velocity to particle diffusion peaks near ρ ∼ 0.3 leading to a high W concentration near the magnetic axis.

Original language	English
Title of host publication	44th EPS Conference on Plasma Physics, EPS 2017
Editors	A. Bret, M. Fajardo, E. Westerhof, A. Melzer, B. Dromey, C. Riconda
Publisher	European Physical Society (EPS)
ISBN (Print)	9781510849303
State	Published - 2017
Event	44th European Physical Society Conference on Plasma Physics, EPS 2017 - Belfast, United Kingdom Duration: Jun 26 2017 → Jun 30 2017

Publication series

Name	44th EPS Conference on Plasma Physics, EPS 2017

Conference

Conference	44th European Physical Society Conference on Plasma Physics, EPS 2017
Country/Territory	United Kingdom
City	Belfast
Period	06/26/17 → 06/30/17

Funding

This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Fusion Energy Sciences, using the DIII-D National Fusion Facility, a DOE Office of Science user facility, under Award DE-FC02-04ER54698. DIII-D data shown in this paper can be obtained in digital format by following the links at https://fusion.gat.com/global/D3D_DMP.

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Victor, B. S., Allen, S. L., Holcomb, C. T., Petrie, T. W., Unterberg, E. A., Thomas, D. M., Grierson, B. A., & Hollmann, E. M. (2017). Calculating tungsten density profiles in DIII-D plasmas using the STRAHL transport code. In A. Bret, M. Fajardo, E. Westerhof, A. Melzer, B. Dromey, & C. Riconda (Eds.), 44th EPS Conference on Plasma Physics, EPS 2017 Article P2.161 (44th EPS Conference on Plasma Physics, EPS 2017). European Physical Society (EPS).

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title = "Calculating tungsten density profiles in DIII-D plasmas using the STRAHL transport code",

abstract = "The STRAHL transport code has been implemented on DIII-D to calculate tungsten (W) density profiles from spectrometer, soft x-ray, and bolometer measurements during a metal rings campaign. STRAHL results show that the ratio of the convective velocity to particle diffusion peaks near ρ ∼ 0.3 leading to a high W concentration near the magnetic axis.",

author = "Victor, {B. S.} and Allen, {S. L.} and Holcomb, {C. T.} and Petrie, {T. W.} and Unterberg, {E. A.} and Thomas, {D. M.} and Grierson, {B. A.} and Hollmann, {E. M.}",

note = "Publisher Copyright: {\textcopyright} 2017 IOP Publishing Ltd.; 44th European Physical Society Conference on Plasma Physics, EPS 2017 ; Conference date: 26-06-2017 Through 30-06-2017",

year = "2017",

language = "English",

isbn = "9781510849303",

series = "44th EPS Conference on Plasma Physics, EPS 2017",

publisher = "European Physical Society (EPS)",

editor = "A. Bret and M. Fajardo and E. Westerhof and A. Melzer and B. Dromey and C. Riconda",

booktitle = "44th EPS Conference on Plasma Physics, EPS 2017",

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Victor, BS, Allen, SL, Holcomb, CT, Petrie, TW, Unterberg, EA, Thomas, DM, Grierson, BA & Hollmann, EM 2017, Calculating tungsten density profiles in DIII-D plasmas using the STRAHL transport code. in A Bret, M Fajardo, E Westerhof, A Melzer, B Dromey & C Riconda (eds), 44th EPS Conference on Plasma Physics, EPS 2017., P2.161, 44th EPS Conference on Plasma Physics, EPS 2017, European Physical Society (EPS), 44th European Physical Society Conference on Plasma Physics, EPS 2017, Belfast, United Kingdom, 06/26/17.

Calculating tungsten density profiles in DIII-D plasmas using the STRAHL transport code. / Victor, B. S.; Allen, S. L.; Holcomb, C. T. et al.
44th EPS Conference on Plasma Physics, EPS 2017. ed. / A. Bret; M. Fajardo; E. Westerhof; A. Melzer; B. Dromey; C. Riconda. European Physical Society (EPS), 2017. P2.161 (44th EPS Conference on Plasma Physics, EPS 2017).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - The STRAHL transport code has been implemented on DIII-D to calculate tungsten (W) density profiles from spectrometer, soft x-ray, and bolometer measurements during a metal rings campaign. STRAHL results show that the ratio of the convective velocity to particle diffusion peaks near ρ ∼ 0.3 leading to a high W concentration near the magnetic axis.

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SN - 9781510849303

T3 - 44th EPS Conference on Plasma Physics, EPS 2017

BT - 44th EPS Conference on Plasma Physics, EPS 2017

A2 - Bret, A.

A2 - Fajardo, M.

A2 - Westerhof, E.

A2 - Melzer, A.

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Victor BS, Allen SL, Holcomb CT, Petrie TW, Unterberg EA, Thomas DM et al. Calculating tungsten density profiles in DIII-D plasmas using the STRAHL transport code. In Bret A, Fajardo M, Westerhof E, Melzer A, Dromey B, Riconda C, editors, 44th EPS Conference on Plasma Physics, EPS 2017. European Physical Society (EPS). 2017. P2.161. (44th EPS Conference on Plasma Physics, EPS 2017).

Calculating tungsten density profiles in DIII-D plasmas using the STRAHL transport code

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