CERN Accelerating science

CERN Document Server Pronađeno je 6 zapisa  Pretraživanje je potrajalo 0.58 sekundi 
1.
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 Fulltext: PDF;
2.
Evaluation of the performance variation of porous air pads on discontinuous surfaces / Sanz, C (Cranfield U. ; CERN) ; Morantz, P (Cranfield U. ; Teddington, Natl. Phys. Lab) ; Lunt, A J G (Bath U.) ; Shore, P (Cranfield U. ; Teddington, Natl. Phys. Lab) ; Chérif, A (CERN) ; Schneider, J (Unlisted, DE) ; Mainaud-Durand, H (CERN) ; Steffens, N (Unlisted, DE)
A new high accuracy position measurement system has been developed. It measures the position of a 0.1 mm diameter copper-beryllium wire that informs alignment of energy beams in advanced particle accelerators. [...]
2020 - 7 p. - Published in : Prec. Eng. 62 (2020) 16-22 Fulltext : PDF;
3.
Micro-scale finishing of the surface and form of a Ti-6Al-4V lightweight rotor obtained by laser powder bed fusion used for air bearing / Sanz, Claude (Cranfield U. ; CERN) ; Gerard, Romain (CERN) ; Morantz, Paul (Teddington, Natl. Phys. Lab) ; Chérif, Ahmed (CERN) ; Shore, Paul (Teddington, Natl. Phys. Lab) ; Mainaud-Durand, Hélène (CERN) ; Lunt, Alexander J G (CERN)
The European Organisation for Nuclear Research, CERN, is in the process of designing and testing parts for the next generation of linear accelerators. In order to operate the experiments, the pre-alignment precision of the components of the two opposing accelerating complexes has placed increased demands on part tolerances, which are now approaching the micrometre. [...]
2018 - 7 p. - Published in : Addit. Manuf. 23 (2018) 287-293 Fulltext: PDF;
4.
Development of sputtered Nb$_{3}$Sn films on copper substrates for superconducting radio-frequency applications / Ilyina-Brunner, Katsiaryna (CERN) ; Rosaz, Guillaume (CERN) ; Busom Descarrega, Josep (CERN) ; Vollenberg, Wilhelmus (CERN) ; Lunt, Alexander J G (CERN) ; Leaux, Floriane (CERN) ; Calatroni, Sergio (CERN) ; Venturini-Delsolaro , Walter (CERN) ; Taborelli, Mauro (CERN)
Superconducting radiofrequency (SRF) cavities that could provide a higher quality factor as well as a higher operational accelerating gradient at an affordable cost are in high demand for the future generation of particle accelerators. This study aims to demonstrate the potential of Nb3Sn as material of choice for such SRF applications. [...]
2019 - 10 p. - Published in : Supercond. Sci. Technol. 32 (2019) 035002 Fulltext: PDF;
5.
Digital Image Correlation of 2D X-ray Powder Diffraction Data for Lattice Strain Evaluation / Zhang, Hongjia (U. Oxford (main)) ; Sui, Tan (U. Oxford (main) ; U. Surrey (main)) ; Salvati, Enrico (U. Oxford (main)) ; Daisenberger, Dominik (Diamond Light Source) ; Lunt, Alexander J G (CERN) ; Fong, Kai Soon (Singapore Institute of Manufacturing Technology, Singapore) ; Song, Xu (Singapore Institute of Manufacturing Technology, Singapore) ; Korsunsky, Alexander M (U. Oxford (main))
High energy 2D X-ray powder diffraction experiments are widely used for lattice strain measurement. The 2D to 1D conversion of diffraction patterns is a necessary step used to prepare the data for full pattern refinement, but is inefficient when only peak centre position information is required for lattice strain evaluation. [...]
2018 - 13 p. - Published in : Materials 11 (2018) 427 External link: Fulltext
6.
Eigenstrain reconstruction of residual strains in an additively manufactured and shot peened nickel superalloy compressor blade / Salvati, E (University of Oxford, Engineering Science) ; Lunt, A J G (CERN) ; Ying, S (University of Oxford, Engineering Science) ; Sui, T (University of Oxford, Engineering Science) ; Zhang, H J (University of Oxford, Engineering Science) ; Heason, C (Rolls Royce plc, UK) ; Baxter, G (Rolls Royce plc, UK) ; Korsunsky, A M (University of Oxford, Engineering Science)
Numerical modelling of the residual stresses and strains within mechanical components is of great importance for improving the quality and reliability of design for structural integrity. A particularly versatile and powerful approach is offered by direct and inverse eigenstrain modelling. [...]
2017 - 17 p. - Published in : Comput. Methods Appl. Mech. Eng. 320 (2017) 335-351

Također vidi: slična imena autora
1 Lunt, A
4 Lunt, Alexander
1 Lunt, Alexander J G
3 Lunt, Alexander J G
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