Investigation and performance assessment of hydraulic schemes for the beam screen cooling for the Future Circular Collider of hadron beams

Claudio Kotnig; Laurent Tavian; Günter Brenn

doi:10.1088/1757-899X/171/1/012006

Investigation and performance assessment of hydraulic schemes for the beam screen cooling for the Future Circular Collider of hadron beams

Claudio Kotnig, Laurent Tavian, Günter Brenn

Institute of Fluid Mechanics and Heat Transfer (3210)

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

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
Title of host publication	Proc. 26th Int. Cryogenic Engineering Conf. - Int. Cryogenic Materials Conf. 2016
DOIs	https://doi.org/10.1088/1757-899X/171/1/012006
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
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
Country/Territory	India
City	New Delhi
Period	7/03/16 → 11/03/16

Access to Document

10.1088/1757-899X/171/1/012006Licence: CC BY 4.0

Cite this

Kotnig, C., Tavian, L., & Brenn, G. (2017). Investigation and performance assessment of hydraulic schemes for the beam screen cooling for the Future Circular Collider of hadron beams. In Proc. 26th Int. Cryogenic Engineering Conf. - Int. Cryogenic Materials Conf. 2016 Article 012006 (IOP Conference Series: Materials Science and Engineering; Vol. 171, No. 1). https://doi.org/10.1088/1757-899X/171/1/012006

Investigation and performance assessment of hydraulic schemes for the beam screen cooling for the Future Circular Collider of hadron beams. / Kotnig, Claudio; Tavian, Laurent; Brenn, Günter.
Proc. 26th Int. Cryogenic Engineering Conf. - Int. Cryogenic Materials Conf. 2016. 2017. 012006 (IOP Conference Series: Materials Science and Engineering; Vol. 171, No. 1).

Research output: Chapter in Book/Report/Conference proceeding › Conference paper › peer-review

Kotnig, C, Tavian, L & Brenn, G 2017, Investigation and performance assessment of hydraulic schemes for the beam screen cooling for the Future Circular Collider of hadron beams. in Proc. 26th Int. Cryogenic Engineering Conf. - Int. Cryogenic Materials Conf. 2016., 012006, IOP Conference Series: Materials Science and Engineering, no. 1, vol. 171, 26th International Cryogenic Engineering Conference, and International Cryogenic Materials Conference 2016, New Delhi, India, 7/03/16. https://doi.org/10.1088/1757-899X/171/1/012006

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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.",

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AB - 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.

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Investigation and performance assessment of hydraulic schemes for the beam screen cooling for the Future Circular Collider of hadron beams

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