In the framework of the liquid lithium limiter experiment in Frascati a new auxiliary system was developed in order to provide a better control of the energy uid vector. The cooled liquid lithium system (CLL) was installed for the rst time at the end of 2013, it uses overheated water to heat the lithium and to extract, at the same time, the heat from the metal surface when it gets wet by the plasma. A rst version of the system, developed and presented in previous papers, has been modied to optimize the heat ux measurement on the liquid lithium surface. The changes include a new power supply logic for the heating system, new sensors and new read-out electronics compatible with the implementation of a real time control system. The prototype was updated with the aim of achieving a low cost and versatile control system.
FTU Cooled Liquid Lithium Upgrade
IAFRATI, MATTEO;
2017
Abstract
In the framework of the liquid lithium limiter experiment in Frascati a new auxiliary system was developed in order to provide a better control of the energy uid vector. The cooled liquid lithium system (CLL) was installed for the rst time at the end of 2013, it uses overheated water to heat the lithium and to extract, at the same time, the heat from the metal surface when it gets wet by the plasma. A rst version of the system, developed and presented in previous papers, has been modied to optimize the heat ux measurement on the liquid lithium surface. The changes include a new power supply logic for the heating system, new sensors and new read-out electronics compatible with the implementation of a real time control system. The prototype was updated with the aim of achieving a low cost and versatile control system.
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