Performance tests of dual-phase CO2 cooling for particle detectors

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Abstract: Evaporative CO2 cooling is becoming a popular cooling solution for large-scale, high-energy particle detectors, such as the new ATLAS Inner Tracker (ITk) for the high-luminosity upgrade of the LHC. CO2 offers a high latent heat transfer at reasonable flow parameters and is an environment friendly alternative to many other coolants currently used. This cooling technique is used to investigate the thermal performance of prototypes from the ITk strip detector produced at DESY. The strip end-cap local support structure, called petal core, is designed to allow a good heat transfer between silicon strip modules glued on its surface and the embedded titanium cooling pipe. Studies on the thermal properties using infrared thermography have been performed to analyse the heat dissipation path which allows also to detect eventual imperfections in the assembly as part of the quality control strategy. A similar analysis was executed on a petal loaded with electrical modules to study the heat generation due to active components and its dissipation for each module under different CO2 conditions

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch
Anmerkungen
Journal of physics. Conference series. - 2374, 1 (2022) , 012063, ISSN: 1742-6596

Ereignis
Veröffentlichung
(wo)
Freiburg
(wer)
Universität
(wann)
2022
Urheber
Beteiligte Personen und Organisationen
Experimentelle Teilchenphysik, Abt. Prof. Karl Jakobs

DOI
10.1088/1742-6596/2374/1/012063
URN
urn:nbn:de:bsz:25-freidok-2322872
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
25.03.2025, 13:54 MEZ

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