منابع مشابه
In-Situ Gas Conductance and Flow Measurements Through Alcator C-Mod Divertor Structures With and Without Plasma Present
A specialized arrangement of gas-puff capillaries and in-situ pressure gauges has been installed in Alcator C-Mod to allow gas conductances and flows around divertor structures to be measured with or without plasma present in the chamber. Results are presented from a series of dedicated experiments performed during the 1020725 run day (MP#313, " Instrumented Divertor Leakage Experiments "). Gas...
متن کاملFuel Retention in the Gas Box Divertor of Jet
Components of the JET Mk-II Gas Box divertor have been analysed ex-situ after 18 months of operation with that divertor structure. The aim was to give an account on the distribution of the retained fuel along the poloidal crosssection of the divertor and, in particular, in the septum. Inside the gas box thick hydrogenated deposits were formed only on surfaces located in the near-plasma region f...
متن کاملMeasurements of plasma flows in a divertor simulation *
The importance of plasma momentum fluxes in fusion reactor divertor operation is noted. Direct measurements have been made of the momentum flux from magnetized He, Ne, AI and Kr plasmas onto solid carbon targets oriented normal to the magnetic field, as the target bias was varied between 50 and + 40 volts. The inferred ion energies are compared with fluid sheath theory. Corrections due to kinet...
متن کاملDivertor Plasma Physics Experiments on the Diii–d Tokamak
DIVERTOR PLASMA PHYSICS EXPERIMENTS ON THE DIII–D TOKAMAK. In this paper we present an overview of the results and conclusions of our most recent divertor physics and development work. Using an array of new divertor diagnostics we have measured the plasma parameters over the entire divertor volume and gained new insights into several divertor physics issues. We present direct experimental evide...
متن کاملModelling of JT-60U Detached Divertor Plasma using SONIC code
The characteristics of the JT-60U detached divertor plasma in the SONIC simulation are investigated. With increasing mid-plane density, the electron temperature at the divertor decreases and the ion flux to the divertor plate increases. At higher densities, the temperature becomes less than 1 eV. However, rollover of the ion flux at the divertor plate, which is a characteristic of the detachmen...
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ژورنال
عنوان ژورنال: Journal of Nuclear Science and Technology
سال: 1999
ISSN: 0022-3131
DOI: 10.3327/jnst.36.114