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SUMMARY:Flow boiling of carbon dioxide at different channel orientations f
 or the thermal management of future detector technologies at the High-Lumi
 nosity Large Hadron Collider
DTSTART:20220621T131500
DTEND:20220621T140000
DTSTAMP:20260916T045147Z
UID:3da389124f0544236f616eeb04bd3e951896ae453fcb47e34affd1a4
CATEGORIES:Conferences - Seminars
DESCRIPTION:David Schmid\, EPFL LAMD and CERN\nThe global warming potentia
 l (GWP) of working fluids in thermodynamic cycles and their environmental 
 impact have been gaining considerable attention within the recent years. T
 he European Organization for Nuclear Research (CERN) supports the developm
 ent of green technologies within the upgrades of their future accelerator 
 facilities and Carbon Dioxide (CO2) has been identified as an eco-friendly
  candidate with excellent heat transfer characteristics that has the poten
 tial for replacing detrimental refrigerants in future scientific and indus
 trial cooling applications. Inspired by the positive experiences with seve
 ral mid-scale refrigeration systems\, the ATLAS and CMS experiments decide
 d to use CO2 as working fluid for the thermal management of their future P
 article Tracker detectors requiring cooling capacities in the order of 0.5
  MW. Pressure drop and heat transfer properties are key factors for design
 ing thermodynamic cycles properly. Motivated by the lack of experimental d
 ata of flow boiling CO2 in vertical directions\, a comprehensive research 
 program has been launched to investigate the two-phase flow behaviour of C
 O2\, in particular in vertical up- and downward direction.
LOCATION:MC B1 273
STATUS:CONFIRMED
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