Contributo in atti di convegno, 2012, ENG

Design Proposal For MITICA Cryogenic Plant

Valente Matteo; Fellin Francesco; Haas Horst; Hanke Stefan; Scannapiego Matthieu; Zaccaria Pierluigi

1,2,6 : Consorzio Rfx, Padova, Italy; / 3-5 : Karlsruhe Institute of Technology.

The MITICA Neutral Beam Injector, under construction in Padua at Consorzio RFX, will be equipped with a large cryosorption pump (composed by two halves). The cryopump, installed inside the MITICA Beam Line Vessel, will be supplied by a dedicated cryogenic plant with gaseous Helium (GHe) at 80 K and super critical Helium (ScHe) at 4.6 K. The design proposal for MITICA cryogenic plant is described in this paper. The cryogenic plant is divided in two main closed circuits: the 4.6 K circuit and the 80 K circuit. The first one is supplied by a Helium refrigerator via a LHe control cryostat acting as a thermal buffer due to the variable pulsed heat loads expected during MITICA operation. The second circuit is supplied by an 80 K facility where the refrigeration power is given by liquid nitrogen (LN2). Due to the expected large LN2 consumptions, a Nitrogen refrigerator is foreseen to recover and re-liquefy the evaporated LN2.

12th Cryogenics IIR International Conference, pp. 34–39, Dresden, Germany, Sep 11-14, 2012

Keywords

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CNR authors

Zaccaria Pierluigi

CNR institutes

IGI – Istituto gas ionizzati

ID: 327319

Year: 2012

Type: Contributo in atti di convegno

Creation: 2015-03-18 16:40:30.000

Last update: 2015-10-08 17:22:18.000

External IDs

CNR OAI-PMH: oai:it.cnr:prodotti:327319

Scopus: 2-s2.0-84899427762

ISI Web of Science (WOS): 000342588600005