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Title: H/sub. cap alpha. / monitors for the Advanced Limiter Test-II (ALT-II) on TEXTOR

Technical Report ·
DOI:https://doi.org/10.2172/7155112· OSTI ID:7155112

The H/sub ..cap alpha../ monitor system installed on TEXTOR in conjunction with the Advanced Limiter Test-II (ALT-II) toroidal belt pump limiter is introduced. The monitors are used to study edge particle fluxes and recycling, correlations to confinement properties of core and edge plasma with ALT-II, and also high-power auxiliary heating (/approximately/5 MW) during long-pulse (/approximately/4-s) operation of TEXTOR. A model of the edge particle flux based on the H/sub ..cap alpha../ measurements is presented. The ALT-II experiments are to be carried out in various phases. Here we discuss the results obtained from the monitor system during the initial phase of operations following the installation of the ALT-II limiter, with ohmic heating only. 15 refs., 21 figs.

Research Organization:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
DOE Contract Number:
AC05-84OR21400
OSTI ID:
7155112
Report Number(s):
ORNL/TM-10698; ON: DE88013506; TRN: 88-028378
Resource Relation:
Other Information: Portions of this document are illegible in microfiche products
Country of Publication:
United States
Language:
English