Fast Reciprocating Probe Assembly for the KSTAR | Zendy

Bak J. G. | Zendy; Lee S. G. | Zendy

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Fast Reciprocating Probe Assembly for the KSTAR

Author(s) -

Bak J. G.,

Lee S. G.

Publication year - 2006

Publication title -

contributions to plasma physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.531

H-Index - 47

eISSN - 1521-3986

pISSN - 0863-1042

DOI - 10.1002/ctpp.200610012

Subject(s) - kstar , reciprocating motion , modular design , plasma , materials science , servo , head (geology) , computer science , acoustics , physics , tokamak , artificial intelligence , bearing (navigation) , quantum mechanics , geomorphology , geology , operating system

A fast reciprocating probe assembly (FRPA) that can scan a distance of up to 32.5 cm with a maximum speed of 1.7 m/s was fabricated to obtain the spatial profile of basic plasma parameters in the edge region of the KSTAR plasma during a plasma discharge of 20 s. The probe driving mechanism consists of two parts; first a slow movement driven by a servo motor system and then a fast reciprocating movement actuated by a pneumatic system. A performance test of the drive system, which is remotely controlled by a PC, was carried out. The prototype of the probe head for the KSTAR FRPA was fabricated as a modular type for easy replacement. It was installed in the fast injection probe assembly (FIPA) in the Hanbit magnetic mirror device, and a radial plasma parameter profile measurement was carried out. The performance test results of the drive system and the profile measurements using the probe head are presented. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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