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Verejné košíky

1998_ASC
11 items
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1.
Quench and Mechanical Behaviour of an LHC Low-$\beta$ Quadrupole Model / Nakamoto, T ; Tanaka, K ; Yamamoto, A ; Tsuchiya, K ; Burkhardt, E E ; Higashi, N ; Kimura, N ; Ogitsu, T ; Ohuchi, N ; Sasaki, K et al.
A one meter model of the high gradient 70 mm aperture superconducting low-b quadrupole has been developed at KEK. [...]
LHC-Project-Report-273 ; CERN-LHC-Project-Report-273 ; KEK-98-174. - 1999. - 5 p.
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2.
Magnetization Measurements on LHC Superconducting Strands / Fikis, H ; Foitl, M ; Kirchmayr, H ; Le Naour, S ; Oberli, L R ; Puzniak, R ; Szewczyk, A ; Wisniewski, A ; Wolf, R
When using superconducting magnets in particle accelerators like the LHC, persistent currents in the superconductor often determine the field quality at injection, where the magnetic field is low. [...]
LHC-Project-Report-245 ; CERN-LHC-Project-Report-245. - 1998. - 5 p.
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3.
Test Results on the Long Models and Full Scale Prototype of the Second Generation LHC Arc Dipoles / Billan, J ; Bóna, M ; Bottura, L ; Leroy, D ; Pagano, O ; Perin, R ; Perini, D ; Rossi, L ; Savary, F ; Siemko, A et al.
With the first test of the first full scale prototype in June-July 1998, the R&D on the long superconducting dipoles based on the LHC design of 1993-95 has come to an end. [...]
LHC-Project-Report-244 ; CERN-LHC-Project-Report-244. - 1998. - 7 p.
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4.
A method to evaluate the temperature profile in a superconducting magnet during a quench / Maroussov, V ; Siemko, A
A simple method to derive the temperature profile in a superconducting magnet during a quench from measured voltage signals is described. The method was applied to several Large Hadron Collider single aperture dipole models. [...]
LHC-Project-Report-242; CERN-LHC-Project-Report-242.- Geneva : CERN, 1999 - 5 p. - Published in : IEEE Trans. Appl. Supercond. Access to fulltext document: PDF; IEEE Published version, local copy: PDF; - Please contact the library if you need to access this document.
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5.
Measurement of AC Loss and Magnetic Field during Ramps in the LHC Model Dipoles . - 1998 ed. / Ang, Z ; Bejar, I ; Bottura, L ; Richter, D ; Sheehan, M ; Walckiers, L ; Wolf, R
We describe the systems for AC loss and magnetic field measurements developed for the LHC superconducting magnets. [...]
LHC-Project-Report-241 ; CERN-LHC-Project-Report-241. - 1998. - 5 p.
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6.
Strand Coating for the Superconducting Cables of the LHC Main Magnets / Adam, J D (CERN) ; Leroy, D (CERN) ; Oberli, L R (CERN) ; Richter, D (CERN)
The electrical resistance of contacts between strands in the Rutherford type superconducting cables has a major effect on the eddy current loss in cables, and on the dynamic magnetic field error in the LHC main magnets. In order to guarantee the value and constancy of the contact resistance, various metallic coatings were studied from the electrical and mechanical points of view in the past. [...]
LHC-Project-Report-251; CERN-LHC-Project-Report-251.- Geneva : CERN, 1998 - 7 p. - Published in : IEEE Trans. Appl. Supercond. 9 (1999) 735-741 Access to fulltext document: PDF;
In : Applied Superconductivity Conference, Desert Springs Resort, CA, USA, 13 - 18 Sep 1998, pp.735-741 - Please contact the library if you need to access this document.
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7.
Minimum Quench Energies of LHC Strands / Bauer, P (CERN) ; Oberli, L R (CERN) ; Wolf, R (CERN) ; Wilson, M N (Oxford Instruments)
Within the framework of the LHC Project a program has been initiated at CERN to establish the influence of various strand parameters (coating, Cu/Sc ratio, RRR, billet design, cooling) on the Minimum Quench Energy (MQE) of LHC prototype strands operating in superfluid helium at 1.9K in peak-fields of 9T. The experimental technique is based on a graphite-paste tip heater described in [1]. [...]
LHC-Project-Report-247; CERN-LHC-Project-Report-247.- Geneva : CERN, 1998 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 9 (1999) 1137-1140 Access to fulltext document: PS.GZ;
In : Applied Superconductivity Conference, Desert Springs Resort, CA, USA, 13 - 18 Sep 1998, pp.1137-1140 - Please contact the library if you need to access this document.
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8.
1.9 K Test Facility for the Reception of the Superconducting Cables for the LHC / Verweij, A P ; Genest, J ; Knezovic, A ; Leroy, D ; Marzolf, J P ; Oberli, L R
A new test facility (called FRESCA) is under construction at CERN to measure the electrical properties of the LHC superconducting cables. [...]
LHC-Project-Report-246 ; CERN-LHC-Project-Report-246. - 1998. - 5 p.
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9.
Tip Heater for Minimum Quench Energy Measurements on Superconducting Strands / Bauer, P ; Donnier, J ; Oberli, L R
Superconducting strands can be characterized by their Minimum Quench Energy (MQE), i.e. the minimum heat pulse needed to trigger a quench in operation conditions (field, temperature, current), in the limit of a (temporally and spatially) d-shaped disturbance. [...]
LHC-Project-Report-248; CERN-LHC-Project-Report-248.- Geneva : CERN, 1999 - 5 p. Access to fulltext document: PDF;
In : Applied Superconductivity Conference, Desert Springs Resort, CA, USA, 13 - 18 Sep 1998, pp.1141-1144 - Please contact the library if you need to access this document.
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10.
Behaviour of Copper Matrix in Quench Process Calculated by 2-strand 4-wire Model / Kim, S W ; Leroy, D
In a simulation of a superconducting strand, it is usual to treat the strand as superconducting wire and copper wire in a parallel connection. When simulating a multi-stranded cable, strands are treated as a mixture of superconductor and copper, usually. [...]
LHC-Project-Report-249; CERN-LHC-Project-Report-249.- Geneva : CERN, 1999 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 9 (1999) 1149-52 Access to fulltext document: PDF; IEEE Published version, local copy: PDF; - Please contact the library if you need to access this document.
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11.
Stability Measurements of Rutherford Cables with Various Treatments / Kim, S W (CERN) ; Leroy, D (CERN) ; Wilson, M N (Oxford Instruments) ; Ghosh, A (Brookhaven) ; Sampson, W B (Brookhaven)
To improve the stability of Rutherford type superconducting cables, various methods of treating cables were considered and tested. These treatments include strand coating, partial soldering, "barber-pole" insulation and "porous $9 metal" solder filling. [...]
LHC-Project-Report-250; CERN-LHC-Project-Report-250.- Geneva : CERN, 1999 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 9 (1999) 1145-1148 Access to fulltext document: PDF; IEEE Published version, local copy: PDF; - Please contact the library if you need to access this document.
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