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CERN Accelerating science

CERN Document Server 2,025 ჩანაწერია ნაპოვნი  1 - 10შემდეგიდასასრული  ჩანაწერთან გადასვლა: ძიებას დასჭირდა 0.41 წამი. 
1.
Adaptive time stepping in quench simulation for superconducting magnets / Oh, D K (KINS, Daejeon) ; Lewandowska, M (West Pomeranian U. of Tech., Szczecin) ; Bottura, L (CERN)
As an important issue of the quench simulation in large-scale applications, the effect of time step control is discussed on the well-known thermo-hydraulic model of superconducting magnets. Through our approach of model reduction, the reason of numerical anomaly is identified in terms of the time stepping around dynamical events, and just leads an effective countermeasure against the observed issue. [...]
2022 - 9 p. - Published in : Cryogenics 121 (2022) 103396
2.
Two-channel analysis of QUELL experimental results / Bottura, L ; Marinucci, C ; Rosso, C
We have improved the model presently used in the thermo-hydraulic code Gandalf, adapting it to cable-in-conduit conductors with central cooling channel such as those developed for the model coils of ITER. In particular the helium flow in an arbitrary number of parallel channels have now independent velocity and thermodynamic state (pressure and temperature). [...]
Geneva : CERN, 2000 - Published in : IEEE Trans. Appl. Supercond. 10 (2000) 1106-9 IEEE Published version, local copy: PDF;
3.
Challenges in the Thermal Modeling of Quenches With ROXIE / Schwerg, N (CERN) ; Auchmann, B (CERN) ; Russenschuck, S (CERN)
The simulation of thermal processes in a superconducting coil during resistive transition is an intricate problem. A detailed thermo-hydraulic modeling comes at a high computational cost and suffers from the large number of empirical parameters. [...]
2009 - Published in : IEEE Trans. Appl. Supercond. 19 (2009) 1270-1273 IEEE Published version, local copy: PDF;
In : Applied Superconductivity Conference 2008, Chicago, IL, USA, 17 - 22 Aug 2008, pp.1270-1273
4.
Quench Simulation Studies: Program documentation of SPQR / Sonnemann, F (CERN)
Quench experiments are being performed on prototypes of the superconducting magnets and busbars to determine the adequate design and protection. Many tests can only be understood correctly with the help of quench simulations that model the thermo-hydraulic and electrodynamic processes during a quench. [...]
LHC-PROJECT-NOTE-265.- Geneva : CERN, 2001 Access to fulltext document: PDF;
5.
Thermo-hydraulic Quench Propagation at the LHC Superconducting Magnet String / Rodríguez-Mateos, F ; Schmidt, R ; Serio, L
The superconducting magnets of the LHC are protected by heaters and cold by-pass diodes. If a magnet quenches, the heaters on this magnet are fired and the magnet chain is de-excited in about two minu tes by opening dump switches in parallel to a resistor. [...]
LHC-Project-Report-222; CERN-LHC-Project-Report-222.- Geneva : CERN, 1998 - 5 p. Access to fulltext document: PDF;
In : 17th International Cryogenic Engineering Conference, Bournemouth, UK, 14 - 17 Jul 1998, pp.555-558 - Please contact the library if you need to access this document.
6.
Workshop on Computation of Thermo-hydraulic Transients in Superconductors - CHATS '97   23 - 25 Jul 1997  - San Francisco, CA, USA  / Luongo, Cesar A (ed.)
1998 - Published in : Cryogenics 38 (1998)
7.
Quench propagation in High Temperature Superconducting materials integrated in high current leads / Milani, D
High temperature superconductors (HTS) have been integrated in the high current leads for the Large Hadron Collider (LHC), under construction at CERN, in order to reduce the heat leak into the liquid helium bath due to the joule effect [...]
CERN-THESIS-2002-015 - Geneva : CERN, 2001. - 183 p.

Access to fulltext document - Access to fulltext document - CERN library copies
8.
Workshop on Computation of Thermo-Hydraulic Transients in Superconductors - Computation of Thermo-Hydraulic Transients in Superconductors   6 - 8 Jun 1995  - Lausanne, Switzerland  .-
1995
9.
Numerical calculation of transient field effects in quenching superconducting magnets / Schwerg, Nikolai
The maximum obtainable magnetic induction of accelerator magnets, relying on normal conducting cables and iron poles, is limited to around 2 T because of ohmic losses and iron saturation [...]
CERN-THESIS-2010-046 - Berlin : Berlin, Tech. U., 2009.

Fulltext - CERN library copies
10.
Workshop on Computation of tHermo-hydrAulic Transients in Superconductors - CHATS-Y2K CHATS 2000   6 - 9 Sep 2000  - Frascati, Italy  .-
Frascati : INFN, 2000 - Published in : Cryogenics 40 (2000)

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