2010
DOI: 10.1063/1.3499237
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Fast reciprocating probe system on the EAST superconducting tokamak

Abstract: A new fast reciprocating probe system (FRPS) has been built and installed on the outer midplane of the EAST tokamak to investigate the profiles of the boundary plasma parameters such as electron density and temperature. The system consists of a two-stage motion drive mechanism: slow motion and fast motion. The fast motion is powered by a servo motor, which drives the probe horizontally up to 50 cm to scan the edge region of the EAST tokamak. The maximum velocity achieved is 2 m/s. High velocity and flexible co… Show more

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Cited by 66 publications
(53 citation statements)
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“…3. 29 A specially designed connector is installed at the front of the FRP probe shaft to make it easy to install or change the probe head. A graphite tip measuring the floating potential is also mounted besides the RFA to determine its relative location.…”
Section: Resultsmentioning
confidence: 99%
“…3. 29 A specially designed connector is installed at the front of the FRP probe shaft to make it easy to install or change the probe head. A graphite tip measuring the floating potential is also mounted besides the RFA to determine its relative location.…”
Section: Resultsmentioning
confidence: 99%
“…26 Floating potential fluctuations interpreted as plasma potential fluctuations are measured with a Langmuir probe array 11,27 consisting of three tips. Two tips are poloidally separated by 8 mm, a third tip is placed in the middle of them, radially sticking out by 5 mm.…”
Section: Methodsmentioning
confidence: 99%
“…The experiments were performed in Experimental Advanced Superconducting Tokamak (EAST) with R 0 =1.87 m and a=0.45 m. During the 2010 experimental campaign, two fast reciprocating probe systems [28] were assembled on ports A and E in the middle plane of the EAST, and the toroidal angle between them was 89 degrees. The probe arrangements can be seen in figure 1.…”
Section: Experimental Setup and Conditionsmentioning
confidence: 99%