Gas Puff Modulation Experiments in JET L- and H-mode Plasmas

JET experiments utilising gas puff modulation technique have been carried out in both L- and H-mode plasmas to study plasma fuelling through the pedestal as well as particle sources and transport. The H-mode experiment is the first exploration of this technique on JET H-mode conditions and focuses on verifying the potential of this technique. The modulation technique, equations and the H-mode experiment (ITER like wall) are described first while the L-mode collisionality scan results (Carbon wall) are given at the end.
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EFDC140317 884.31 Kb