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Paper detail

Microchannel cooling for the LHCb VELO Upgrade I

The LHCb VELO Upgrade I, currently being installed for the 2022 start of LHC Run 3, uses silicon microchannel coolers with internally circulating bi-phase \cotwo for thermal control of hybrid pixel modules operating in vacuum. This is the largest scale application of this technology to date. Production of the microchannel coolers was completed in July 2019 and the assembly into cooling structures was completed in September 2021. This paper describes the R\&D path supporting the microchannel production and assembly and the motivation for the design choices. The microchannel coolers have excellent thermal peformance, low and uniform mass, no thermal expansion mismatch with the ASICs and are radiation hard. The fluidic and thermal performance is presented.

preprint2021arXivOpen access
Oscar Augusto De Aguiar FranciscoWiktor ByczynskiKazu AkibaClaudia BertellaAlexander BitadzeMatthew BrockBartosz BulatGuillaume ButtonJan BuytaertStefano De CapuaRiccardo CallegariChristine CastellanaAndrea CatinaccioCatherine CharrierCollette CharvetVictor CocoPaula CollinsJordan DegrangeRaphael DumpsDiego Alvarez FeitoJulian FreestoneMariusz JedrychowskiVinicius Franco LimaAbraham GallasWouter HulsbergenDaniel HyndsGonzalo Arnau IzquierdoPawel JalochaEddy JanMalcolm JohnNathan JurikAlexander LeflatEdgar Lemos CidRolf LindnerAlessandro MapelliJerome NoelAndrei NomerotskiRui de OliveiraMartijn van OverbeekChris ParkesPaolo PetagnaAlexandre PorretDenis RenaudErno RoelandGiulia RomagnoliEric RouchouzeKrista de RooFreek SandersThomas SchneiderHeinrich SchindlerBurkhard SchmidtAndreas SchopperLuke Scantlebury-SmeadMiranda Van StenisPeter SvihraBenoit TeissandierJean-Francois TeissierXavier TheryEric ThomasBart Verlaat
hep-exphysics.ins-det
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Oscar Augusto De Aguiar FranciscoWiktor ByczynskiKazu AkibaClaudia BertellaAlexander BitadzeMatthew BrockBartosz BulatGuillaume ButtonJan BuytaertStefano De CapuaRiccardo CallegariChristine CastellanaAndrea CatinaccioCatherine CharrierCollette CharvetVictor CocoPaula CollinsJordan DegrangeRaphael DumpsDiego Alvarez FeitoJulian FreestoneMariusz JedrychowskiVinicius Franco LimaAbraham GallasWouter HulsbergenDaniel HyndsGonzalo Arnau IzquierdoPawel JalochaEddy JanMalcolm JohnNathan JurikAlexander LeflatEdgar Lemos CidRolf LindnerAlessandro MapelliJerome NoelAndrei NomerotskiRui de OliveiraMartijn van OverbeekChris ParkesPaolo PetagnaAlexandre PorretDenis RenaudErno RoelandGiulia RomagnoliEric RouchouzeKrista de RooFreek SandersThomas SchneiderHeinrich SchindlerBurkhard SchmidtAndreas SchopperLuke Scantlebury-SmeadMiranda Van StenisPeter SvihraBenoit TeissandierJean-Francois TeissierXavier TheryEric ThomasBart Verlaat

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