Measurement of density profiles with pressure in MAP-II and DiPS linear devices
- Authors
- Chung, Kyusun; Shinichiro, Kado; Woo, Hyun-jong; Seo, Young-jun; Shikama, Taiichi; Scotti, Filippo; Choi, Geun-sik; Kurihara, Kiminori; Kuwahara, Yosuke; Lee, Myoung-jae; Lho, Taihyeop H.; Tanaka, Satoru
- Issue Date
- Feb-2007
- Publisher
- TAYLOR & FRANCIS INC
- Citation
- FUSION SCIENCE AND TECHNOLOGY, v.51, no.2T, pp.69 - 71
- Indexed
- SCIE
SCOPUS
- Journal Title
- FUSION SCIENCE AND TECHNOLOGY
- Volume
- 51
- Number
- 2T
- Start Page
- 69
- End Page
- 71
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/180497
- DOI
- 10.13182/FST07-A1316
- ISSN
- 1536-1055
- Abstract
- Radial profiles of plasma density and electron temperature have been measured by a fast-scanning probe (FSP) system with various neutral pressures in the AMP-H and DiPS linear devices for the divertor simulation. The probe system is made of three probe tips, two of which is for a Mach probe consisting of two opposite-directional probes, and one is for an emissive probe installed on the pneumatically driven fast-scanning system with stroke of 30 cm. In AMP-H, density at the center has been varied from 1.5 x 10(13) cm(-3) to 0.7 x 10(13) cm(-3) with pressures of 5.5 to 112 mtorr, while that of DiPS varied from 3.5 x 10(12) cm(-3) to 9 x 10(12) cm(-3) with pressures of 0.8 to 50 mtorr. Relation of density profile with the working pressure/magnetic field is analyzed by using a simple fluid model. Electron temperature at the center is also measured by the Thomson scattering method and compared with those of FSP, which is varied from 0.6 to 65 eV.
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