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Validation of collisional radiative modelling of emission line ratios for helium beam plasma diagnostic

Collis, S; Dall, Robert; Howard, John; Andruczyk, D; James, Brian W


A time-dependent collisional radiation model has been used to validate the use of a pulsed helium beam to measure electron temperature profiles in the H-1NF flexible heliac. The diagnostics technique is based on the measurement of helium spectral line ratios which are a strong function of electron temperature while being a weak function of electron density. The validation procedure involves comparing measured and calculated emissivities of spectral lines emitted by helium atoms as a function of...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Journal of Quantitative Spectroscopy & Radiative Transfer
DOI: 10.1016/j.jqsrt.2008.12.010


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