Electromagnetic and thermal simulations for the switch region of a compact proton accelerator

L. Wang; George J Caporaso; J. S. Sullivan

doi:10.1109/PAC.2007.4440900

Electromagnetic and thermal simulations for the switch region of a compact proton accelerator

L. Wang, George J Caporaso, J. S. Sullivan

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A compact proton accelerator for medical applications is being developed at Lawrence Livermore National Laboratory. The accelerator architecture is based on the dielectric wall accelerator (DWA) concept. One critical area to consider is the switch region. Electric field simulations and thermal calculations of the switch area were performed to help determine the operating limits of silicon carbide (SiC) switches. Different geometries were considered for the field simulation including the shape of the thin indium solder meniscus between the electrodes and SiC. Electric field simulations were also utilized to demonstrate how the field stress could be reduced. Thermal simulations results were analyzed to find the average power capability of the switches.

Original language	English (US)
Title of host publication	Proceedings of the IEEE Particle Accelerator Conference
Pages	1793-1795
Number of pages	3
DOIs	https://doi.org/10.1109/PAC.2007.4440900
State	Published - 2007
Externally published	Yes
Event	IEEE Particle Accelerator Conference, PAC07 - Albuquerque, NM, United States Duration: Jun 25 2007 → Jun 29 2007

Other

Other	IEEE Particle Accelerator Conference, PAC07
Country	United States
City	Albuquerque, NM
Period	6/25/07 → 6/29/07

ASJC Scopus subject areas

Engineering(all)

Access to Document

10.1109/PAC.2007.4440900

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Cite this

Wang, L., Caporaso, G. J., & Sullivan, J. S. (2007). Electromagnetic and thermal simulations for the switch region of a compact proton accelerator. In Proceedings of the IEEE Particle Accelerator Conference (pp. 1793-1795). [4440900] https://doi.org/10.1109/PAC.2007.4440900

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abstract = "A compact proton accelerator for medical applications is being developed at Lawrence Livermore National Laboratory. The accelerator architecture is based on the dielectric wall accelerator (DWA) concept. One critical area to consider is the switch region. Electric field simulations and thermal calculations of the switch area were performed to help determine the operating limits of silicon carbide (SiC) switches. Different geometries were considered for the field simulation including the shape of the thin indium solder meniscus between the electrodes and SiC. Electric field simulations were also utilized to demonstrate how the field stress could be reduced. Thermal simulations results were analyzed to find the average power capability of the switches.",

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