2022-05-17 20:50 |
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2022-05-17 20:50 |
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2022-05-17 20:50 |
Manufacturing technologies and joining methods of metallic thin-walled pipes for use in high pressure cooling systems
/ McNair, Sophie A M (Bath U.) ; Chaharsooghi, Alborz Shokrani (Bath U.) ; Carnevale, Mauro (Bath U.) ; Rhead, Andrew (Bath U.) ; Onnela, Antti (CERN) ; Daguin, Jerome (CERN) ; Cichy, Kamil (CERN) ; Postema, Hans (Cornell U.) ; Bacchetta, Nicola (CERN) ; French, Thomas (CERN) et al.
Small diameter thin-walled pipes, typically with a diameter less than 20 mm and a ratio of outer diameter to wall thickness is 20 or
above, have increasingly become a key value adding factor for a number of industries including medical applications, electronics
and chemical industries. In high-energy physics experiments, thin-walled pipes are needed in tracking detector cooling systems
where the mass of all components needs to be minimised for physics measurement reasons. [...]
2021 - 15 p.
- Published in : Int. J. Adv. Manuf. Technol. 118 (2021) 667-681
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2022-05-17 20:50 |
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2022-05-17 20:50 |
Very high upper critical fields and enhanced critical current densities in Nb$_3$Sn superconductors based on Nb–Ta–Zr alloys and internal oxidation
/ Buta, F (U. Geneva (main)) ; Bonura, M (U. Geneva (main)) ; Matera, D (U. Geneva (main)) ; Bovone, G (U. Geneva (main)) ; Ballarino, A (CERN) ; Hopkins, S C (CERN) ; Bordini, B (CERN) ; Chaud, X (Natl. High Mag. Field Lab.) ; Senatore, C (U. Geneva (main))
The inhibition of Nb$_3$Sn grain growth in the presence of ZrO$_2$ nanoparticles appears to be one of
the most promising method for pushing the critical current densities of Nb$_3$Sn superconducting
wires to levels that meet the requirements set for the Future Circular Collider. We have investigated
the effect of ZrO$_2$ nanoparticles formed by the internal oxidation of Zr on the superconducting
properties and microstructure of Nb3Sn formed from Nb-1 wt%Zr, Nb-7.5 wt%Ta,
Nb-7.5 wt%Ta-1 wt%Zr and Nb-7.5 wt%Ta-2 wt%Zr alloys. [...]
2021 - 14 p.
- Published in : J. Phys. Mater. 4 (2021) 025003
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2022-05-17 20:50 |
R2D2, the CEA Graded Nb$_3$Sn Research Racetrack Dipole Demonstrator Magnet
/ Calvelli, Valerio (IRFU, Saclay) ; Mallon, Philip (LBNL, Berkeley) ; Durante, Maria (IRFU, Saclay) ; Felice, Helene (IRFU, Saclay) ; Rochepault, Etienne (IRFU, Saclay) ; Manil, Pierre (IRFU, Saclay) ; Minier, Gilles (IRFU, Saclay) ; Rifflet, Jean-Michel (IRFU, Saclay) ; Perez, Juan (CERN)
As a part of a collaborative effort with CERN on the long road to FCC-hh, CEA is developing a 1.4 m-long single aperture short dipole demonstrator. This Nb$_3$Sn block dipole, named F2D2, is foreseen to produce 15.5 T with a 14% margin at 1.9 K, and will use a shell-based support structure. [...]
2021 - 6 p.
- Published in : IEEE Trans. Appl. Supercond. 31 (2021) 1-6
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2022-05-17 20:50 |
Optimization of the High Order Correctors for HL-LHC Toward the Series Production
/ Statera, Marco (INFN, Milan) ; Alessandria, Franco (INFN, Milan ; Milan U.) ; Bellomo, Giovanni (INFN, Milan ; Milan U.) ; Broggi, Francesco (INFN, Milan) ; Imeri, Luca (INFN, Milan) ; Leone, Augusto (INFN, Milan) ; Mariotto, Samuele (INFN, Milan ; Milan U.) ; Paccalini, Antonio (INFN, Milan) ; Pasini, Alessandro (INFN, Milan) ; Pedrini, Danilo (INFN, Milan) et al.
INFN is developing at the LASA lab (Milano, Italy) the High Order (HO) corrector magnets for the High Luminosity-LHC (HL-LHC) project, which will equip the interaction regions. Five prototypes, from skew quadrupole to dodecapole, have been designed and tested at LASA. [...]
2021 - 5 p.
- Published in : IEEE Trans. Appl. Supercond. 31 (2021) 1-5
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2022-05-17 20:50 |
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2022-05-17 15:15 |
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2022-05-16 17:12 |
Renovation of the Trigger Distribution in CERN’s Open Analogue Signal Information System Using White Rabbit
/ Lampridis, Dimitrios (CERN) ; Gingold, Tristan (CERN) ; Michalik, David (CERN ; Aalborg U.) ; Poscia, Aurelien (CERN) ; Serans, Miguel (CERN) ; Shukla, Mamta (CERN) ; Pereira da Silva, Tiago (CERN)
The Open Analogue Signal Information System (OASIS) acts as a distributed oscilloscope system that acquires signals from devices across the CERN accelerator complex and displays them in a convenient, graphical way. Today, the OASIS installation counts over 500 multiplexed digitisers, capable of digitising more than 5000 analogue signals and offers a selection of more than 250 triggers for the acquisitions. [...]
2022 - 8 p.
- Published in : JACoW ICALEPCS 2021 (2022) 839-846
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In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.839-846
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