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Title: Diagnostics for molybdenum and tungsten erosion and transport in NSTX-U

Abstract

A comprehensive set of spectroscopic diagnostics is planned in the National Spherical Torus Experi- ment Upgrade to connect measurements of molybdenum and tungsten divertor sources to scrape-off layer (SOL) and core impurity transport, supporting the installation of high-Z plasma facing compo- nents which is scheduled to begin with a row of molybdenum tiles. Imaging with narrow-bandpass interference filters and high-resolution spectroscopy will be coupled to estimate divertor impurity influxes. Vacuum ultraviolet and extreme ultraviolet spectrometers will allow connecting high-Z sources to SOL transport and core impurity content. The high-Z diagnostics suite complements the existing measurements for low-Z impurities (carbon and lithium), critical for the characterization of sputtering of high-Z materials.

Authors:
; ;
  1. Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
Publication Date:
DOE Contract Number:  
AC02-09CH11466
Product Type:
Dataset
Research Org.:
Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Fusion Energy Sciences (FES)
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
OSTI Identifier:
1367164
DOI:
10.11578/1367164

Citation Formats

Scotti, F., Soukhanovskii, V., and Weller, M. Diagnostics for molybdenum and tungsten erosion and transport in NSTX-U. United States: N. p., 2016. Web. doi:10.11578/1367164.
Scotti, F., Soukhanovskii, V., & Weller, M. Diagnostics for molybdenum and tungsten erosion and transport in NSTX-U. United States. doi:10.11578/1367164.
Scotti, F., Soukhanovskii, V., and Weller, M. 2016. "Diagnostics for molybdenum and tungsten erosion and transport in NSTX-U". United States. doi:10.11578/1367164. https://www.osti.gov/servlets/purl/1367164. Pub date:Tue Nov 01 00:00:00 EDT 2016
@article{osti_1367164,
title = {Diagnostics for molybdenum and tungsten erosion and transport in NSTX-U},
author = {Scotti, F. and Soukhanovskii, V. and Weller, M.},
abstractNote = {A comprehensive set of spectroscopic diagnostics is planned in the National Spherical Torus Experi- ment Upgrade to connect measurements of molybdenum and tungsten divertor sources to scrape-off layer (SOL) and core impurity transport, supporting the installation of high-Z plasma facing compo- nents which is scheduled to begin with a row of molybdenum tiles. Imaging with narrow-bandpass interference filters and high-resolution spectroscopy will be coupled to estimate divertor impurity influxes. Vacuum ultraviolet and extreme ultraviolet spectrometers will allow connecting high-Z sources to SOL transport and core impurity content. The high-Z diagnostics suite complements the existing measurements for low-Z impurities (carbon and lithium), critical for the characterization of sputtering of high-Z materials.},
doi = {10.11578/1367164},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {11}
}

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Works referenced in this record:

Diagnostics for molybdenum and tungsten erosion and transport in NSTX-U
journal, October 2016

  • Scotti, F.; Soukhanovskii, V. A.; Weller, M. E.
  • Review of Scientific Instruments, Vol. 87, Issue 11
  • DOI: 10.1063/1.4963146

    Works referencing / citing this record:

    Diagnostics for molybdenum and tungsten erosion and transport in NSTX-U
    journal, October 2016

    • Scotti, F.; Soukhanovskii, V. A.; Weller, M. E.
    • Review of Scientific Instruments, Vol. 87, Issue 11
    • DOI: 10.1063/1.4963146