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Abstract

Time-resolved mass spectrometric measurements of the H/D ratio in the neutral gas during TFR discharges were made. An analysis procedure, based on a zero-dimensional model, has been applied to the data, giving in principle the time evolution of the ion densities, of the particle confinement time, and of the wall inventories. Evidence is presented for (i) rise of the n-H/n-D ratio during the discharge, upon H to D isotope exchange experiments, and (ii) increased wall desorption and recycling during ICRF plasma heating. Uncertainties in the procedure are discussed.

Additional information

Authors: TFR GROUP CEA, FONTENAY-AUX-ROSES (FRANCE), CEA, FONTENAY-AUX-ROSES (FRANCE)
Bibliographic Reference: WRITE TO CEA MENTIONING EUR-CEA-FC 1220 EN, 1984
Availability: Can be ordered online
Record Number: 1989122084200 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en