2026-06-13
10:58 |
Inception of evaporative dryout for CO2 in milliscale pipe flows
/ Cantini, Giulio (Bath U. ; CERN) ; Hellenschmidt, Desiree (CERN) ; Pedano, Camila (CERN) ; Petagna, Paolo (CERN) ; Sangan, Carl (Bath U.) ; Carnevale, Mauro (Bath U. ; CERN)
Carbon dioxide is a cost-effective, reliable and environmentally-friendly refrigerant with increasing employment in evaporator design. A clear understanding of the underlying flow physics, coupled with robust
prediction of phase change through boiling, is necessary to enable widespread uptake of CO2 as a coolant.
In scenarios such as nuclear reactors or thermal management in silicon detectors (e.g., Large Hadron Collider
at CERN), employing saturated CO2
in milliscale pipes introduces further uncertainties in the design process,
particularly regarding its behaviour at high vapour quality. [...]
2025 - 17 p.
- Published in : Int. J. Heat Mass Transf. 251 (2025) 127299
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2026-06-11
06:01 |
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2026-06-10
06:36 |
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2026-06-10
06:36 |
Beam profile evolution induced by rf crab cavity amplitude noise in the CERN SPS
/ Fornara, A (Manchester U.) ; Appleby, R B (Manchester U.) ; Bartosik, H (CERN) ; Buffat, X (CERN) ; Calaga, R (CERN) ; Kostoglou, S (CERN) ; Sterbini, G (CERN) ; Trad, G (CERN) ; Triantafyllou, N (CERN)
In the context of the large hadron collider (LHC) luminosity upgrade, rf crab cavities (CCs) are key components for achieving the target integrated luminosity. Due to the increased bunch intensity required to achieve this goal, the collider will operate with a large crossing angle scheme to alleviate the long-range beam-beam effects. [...]
2026 - 11 p.
- Published in : Phys. Rev. Accel. Beams 29 (2026) 061002
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2026-06-10
06:36 |
LBNF/DUNE Liquid Argon Roadmap
/ Maciazka, Matt (Fermilab) ; Adamowski, Mark (Fermilab) ; Bremer, Johan (CERN) ; Campbell, John (MP Consulting, Longwood) ; Delaney, Michael (Fermilab) ; Doubnik, Roza (Fermilab) ; Fabre, Caroline (CERN) ; Montanari, David (Fermilab) ; Nichols, Trevor (Fermilab) ; Parchet, Adrien (CERN) et al.
The Deep Underground Neutrino Experiment (DUNE) is an international flagship venture to unlock the mysteries of neutrinos. Hosted at the Sanford Underground Research Facility (SURF) and supported by the Long-Baseline Neutrino Facility (LBNF), DUNE relies on nearly 75,000 tonnes of ultrapure liquid argon (LAr) housed in state-of-the-art cryostats. [...]
FERMILAB-CONF-26-0379-LBNF.-
2026 - 8 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 1344 (2026) 012076
Fulltext: PDF; External link: Fermilab Library Server
In : 26th Joint Cryogenic Engineering Conference and International Cryogenic Materials Conference, Peppermill Reno Resort, Reno, Nevada, United States, 18 - 22 May 2025, pp.012076
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2026-06-10
06:36 |
Mixed Neutron and Gamma Effects on Optical Fibers and Coating Materials
/ Perrot, J (Jean Monnet U.) ; Ferrari, M (Jean Monnet U.) ; Bernardes, A (CERN) ; Morana, A (Jean Monnet U.) ; Avesani, M (Jean Monnet U.) ; Marin, E (Jean Monnet U.) ; Ouerdane, Y (Jean Monnet U.) ; Boukenter, A (Jean Monnet U.) ; Bertrand, J (ANDRA, Chatenay-Malabry) ; Crouvizier, M D (CERN) et al.
This work aims to characterize the vulnerability of radiation-hardened silica-based optical fibers to be implemented in mixed neutron/gamma fields and hydrogen-rich environments. We first investigated radiation effects at microscopic scale, including radiation-induced attenuation (RIA) in the Near- InfraRed (NIR) domain and neutron-induced Refractive Index Changes (RIC). [...]
2025 - 12 p.
- Published in : 10.1109/tns.2025.3632769
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2026-05-30
06:54 |
Upgrade of the CERN cryogenic test facility for the HL-LHC superconducting magnets and superconducting links
/ Pirotte, O (CERN) ; Barbe, T (CERN) ; Buzio, M (CERN) ; Dassa, L (CERN) ; Gahier, V (CERN) ; Guillotin, N (CERN) ; Lees, A (CERN) ; Mangiarotti, F (CERN) ; Mauny, R (CERN) ; Ninet, G (CERN) et al.
New superconducting magnets, based on Nb$_{3}$Sn technology, have been developed for the HL-LHC project, the High-Luminosity upgrade of the LHC (Large Hadron Collider) at Interaction Points 1 and 5. These magnets require thorough testing in cryogenic conditions at 4.5 and 1.9 K before their installation into the LHC. [...]
2026 - 9 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng.: 1344 (2026) , no. 1, pp. 012141
Fulltext: PDF;
In : 26th Joint Cryogenic Engineering Conference and International Cryogenic Materials Conference, Peppermill Reno Resort, Reno, Nevada, United States, 18 - 22 May 2025, pp.012141
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2026-05-30
06:54 |
How digital twins can help with operator training, an example with ATLAS and CMS detector’s cryogenics at CERN
/ Jimenez, L (CERN) ; Majorel, A (CERN ; GANIL) ; Bradu, B (CERN) ; Gahier, V (CERN)
This paper presents the implementation of a cryogenic process simulator applied to A Toroidal LHC Apparatus (ATLAS) and the Compact Muon Solenoid (CMS) experiments at CERN (European Organisation for Nuclear Research). Building upon the development of a digital twin of the complex LHC accelerator cryogenic system, this work extends its application to the specific needs of the ATLAS and CMS experiments and their dedicated cryogenic systems. [...]
2026 - 9 p.
- Published in : IOP Conf. Ser. Mater. Sci. Eng. 1344 (2026) 012058
Fulltext: PDF;
In : 26th Joint Cryogenic Engineering Conference and International Cryogenic Materials Conference, Peppermill Reno Resort, Reno, Nevada, United States, 18 - 22 May 2025, pp.012058
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2026-05-20
08:58 |
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2026-05-06
06:06 |
FCC― 次世代円形衝突型加速器
/ OIDE, Katsunobu (CERN ; U. Geneva (main) ; KEK, Tsukuba)
FCC is a project for a next generation circular collider based at CERN, as the next step of LEP/LHC experiments.
It will have at least two stages : (i) measurements on electroweak (Z/W), Higgs, tt by e+e－ collision (FCC-ee) and (ii)
energy frontier pp collision (FCC-hh) up to 100 TeV center of mass (CM) energy. Both will be performed by colliders
in the same tunnel with 90–100 km circumference built around the Geneva area across the Swiss-French border..
2022 - 4 p.
- Published in : Vacuum and Surface Science 65 (2022) 556-559
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