TJ-II:Proposal template
Experimental campaign
2017 Spring
Proposal title
Impurity injection by laser blow-off: influence of main ions charge/mass on impurity confinement and transport
Name and affiliation of proponent
B. López-Miranda1, B. Zurro1, M. Martínez1, E. Hollmann2, A. Baciero1, M. Ochando1, F. Medina1, K.J. McCarthy1 and TS and TJ-II Team.// 1 Laboratorio Nacional de Fusión, CIEMAT, Madrid, Spain. 2 University of California, San Diego, La Jolla, CA, USA.
Details of contact person at LNF (if applicable)
B. López-Miranda: belen.lopez@ciemat.es
Description of the activity, including motivation/objectives and experience of the proponent (typically one-two pages)
Motivation. In previous experiments of impurity confinement in TJ-II plasmas we have investigated the behavior of impurity confinement with the mass composition of the main ions and with charge/mass of the injected impurities [1]. Now we want to extend our study to He plasmas.
Proposal. Within the present proposal, we plan to inject light and heavy impurities into TJ-II ECRH plasmas by means of laser blow-off. We plan to study the behaviour of impurity confinement with the charge/mass of the main ions on the relaxation of emission of light and heavy impurities injected in TJ-II by laser blow-off. For that purpose we want discharges in He and study the impurity confinement as a function of effective mass.
If applicable, International or National funding project or entity
This work was funded by the Spanish “MINECO” under Grant No. ENE2014-56517-R. B.L.M. would like to acknowledge her scholarship, Grant No. BES-2015-075704.
Description of required resources
Required resources:
- Number of plasma discharges or days of operation:
- Essential diagnostic systems:
- Type of plasmas (heating configuration):
- Specific requirements on wall conditioning if any:
- External users: need a local computer account for data access: yes/no
- Any external equipment to be integrated? Provide description and integration needs:
Preferred dates and degree of flexibility
Preferred dates: (format dd-mm-yyyy)
References