Impurity sources and accumulation in Ohmically heated ISX-B discharges

Journal Article · Mon Aug 03 04:00:00 EDT 1981 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.47.333· OSTI ID:5926687

Isler, R C; Kasai, S; Murray, L E; Saltmarsh, M; Murakami, M

Spectroscopic observations on the ISX-B (impurity study experiment), tokamak indicate that most of the metallic impurities come from the wall in Ohmically heated discharges in which the plasma is kept centered in the vacuum chamber. These impurities appear to accumulate during the quasi-steady-state part of the discharge if the working gas is deuterium but not if it is hydrogen.

• Research Organization: Fusion Energy Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830
• OSTI ID: 5926687
• Journal Information: Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 47:5; ISSN PRLTA
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700102* -- Fusion Energy-- Plasma Research-- Diagnostics
DATA
DEUTERIUM
DIFFUSION
ELECTRIC HEATING
ELEMENTS
EXPERIMENTAL DATA
HEATING
HYDROGEN
HYDROGEN ISOTOPES
IMPURITIES
INFORMATION
ISOTOPES
ISX TOKAMAK
JOULE HEATING
LIGHT NUCLEI
METALS
NONMETALS
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
PLASMA DIAGNOSTICS
PLASMA HEATING
RESISTANCE HEATING
SPECTROSCOPY
SPUTTERING
STABLE ISOTOPES
THERMONUCLEAR REACTORS
TOKAMAK TYPE REACTORS
WALLS