Normal zone propagation in superconducting focusing solenoids and related quench protection issues [electronic resource]
Superconducting solenoids are increasingly used as focusing lenses in transport channels of proton linear RF accelerators. If these accelerators employ superconducting RF cavities, each focusing lens is usually comprised of three coils connected in series: a main coil, which provides the needed focu...
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Online Access |
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| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C : Oak Ridge, Tenn. :
United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
2007.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Normal zone propagation in superconducting focusing solenoids and related quench protection issues |h [electronic resource] |
| 260 | |a Washington, D.C : |b United States. Dept. of Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 2007. | ||
| 300 | |a 4 pages : |b digital, PDF file. | ||
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| 500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
| 500 | |a 06/01/2007. | ||
| 500 | |a "fermilab-conf-07-426-td" | ||
| 500 | |a Presented at Particle Accelerator Conference (PAC 07), Albuquerque, New Mexico, 25-29 Jun 2007. | ||
| 500 | |a Terechkine, I. | ||
| 520 | 3 | |a Superconducting solenoids are increasingly used as focusing lenses in transport channels of proton linear RF accelerators. If these accelerators employ superconducting RF cavities, each focusing lens is usually comprised of three coils connected in series: a main coil, which provides the needed focusing strength, and two bucking coils, that help to reduce magnetic field outside the lens. When a normal zone develops in any of the coils in a focusing lens, it propagates with a direction and a rate which depends on the coil and the specific part of the coil in which the quench first occurred. As a result of this propagation process (quenching), the temperature and/or voltage of parts of the lens can exceed safe limits, thus compromising lens reliability. On the other hand, the negative impact of quench events can be significantly mitigated if an external resistor is used to absorb a part of the energy stored in the magnetic field. This paper presents the main results of a solenoid quench protection study based on computational modeling of normal zone propagation in solenoid lenses being built for a superconducting linear RF accelerator under development at Fermilab. | |
| 520 | 0 | |a Accelerators. | |
| 536 | |b AC02-07CH11359. | ||
| 650 | 7 | |a Resistors. |2 local. | |
| 650 | 7 | |a Focusing. |2 local. | |
| 650 | 7 | |a Solenoids. |2 local. | |
| 650 | 7 | |a Quenching. |2 local. | |
| 650 | 7 | |a Reliability. |2 local. | |
| 650 | 7 | |a Superconducting Magnets. |2 local. | |
| 650 | 7 | |a Transport. |2 local. | |
| 650 | 7 | |a Magnetic Fields. |2 local. | |
| 650 | 7 | |a Lenses. |2 local. | |
| 650 | 7 | |a Cavities. |2 local. | |
| 650 | 7 | |a Fermilab. |2 local. | |
| 650 | 7 | |a Accelerators. |2 local. | |
| 650 | 7 | |a Protons. |2 local. | |
| 650 | 7 | |a Particle Accelerators. |2 edbsc. | |
| 710 | 2 | |a Fermi National Accelerator Laboratory. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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