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Abstract

It was the purpose of this lecture to show how impurities are produced on the material walls with which the plasma is in contact: how they penetrate the plasma; and how they are transported leading to a certain contamination. The main results derived from the investigations on the JET plasma are the following: The anomalous transport coefficient is of the same order as in other Tokamaks; The concentrations are not excessively high; Catastrophic accumulation of impurities in the plasma centre does not occur; The impurity radiation losses pose no insuperable difficulty in heating the plasma.

Additional information

Authors: ENGELHARDT W W JET JOINT UNDERTAKING, ABINGDON (UK), JET JOINT UNDERTAKING, ABINGDON (UK)
Bibliographic Reference: WRITE TO THE PUBLICATIONS OFFICER, JET JOINT UNDERTAKING, ABINGDON, OXON, OX14 3EA (UK), MENTIONING REPORT JET-P(86)27, 1986
Record Number: 1989126009800 / Last updated on: 1988-02-01
Category: PUBLICATION
Available languages: en