Abstract
The international study at CERN of a possible future circular collider (FCC) considers an option for a very high energy hadron-hadron collider located in a quasi-circular underground tunnel of about 100 km of length. The technical segmentation of the collider foresees continuously cooled sections of up to 10.4 km; throughout the entire section length, more than 600 kW of heat mainly generated by the beam synchrotron radiation must be removed from the beam screen circuits at a mean temperature of 50 K. The cryogenic system has to be designed to extract the heat load dependably with a high-efficiency refrigeration process. Reliable and efficient cooling of the FCC beam screen in all possible operational modes requires a solid basic design as well as well-matched components in the final arrangement. After illustrating the decision making process leading to the selection of an elementary hydraulic scheme, this paper presents preliminary conceptual designs of the FCC beam screen cooling system and compares the different schemes regarding the technical advantages and disadvantages with respect to the exergetic efficiency.
| Original language | English |
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| Title of host publication | Proc. 26th Int. Cryogenic Engineering Conf. - Int. Cryogenic Materials Conf. 2016 |
| DOIs | |
| Publication status | Published - Mar 2017 |
| Event | 26th International Cryogenic Engineering Conference, and International Cryogenic Materials Conference 2016: ICEC 2016 / ICMC 2016 - New Delhi, India Duration: 7 Mar 2016 → 11 Mar 2016 Conference number: 26 |
Publication series
| Name | IOP Conference Series: Materials Science and Engineering |
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| Publisher | Institute of Physics Publishing |
| Number | 1 |
| Volume | 171 |
| ISSN (Electronic) | 1757-8981 |
Conference
| Conference | 26th International Cryogenic Engineering Conference, and International Cryogenic Materials Conference 2016 |
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| Country/Territory | India |
| City | New Delhi |
| Period | 7/03/16 → 11/03/16 |