Abstract
An energy recovery system using a four-stage depressed collector was simulated and designed to improve the overall efficiency of the W-band gyrotron backward wave oscillator (gyro-BWO) at the University of Strathclyde. The spent beam information was exported from the simulation of the gyro-BWO using the 3D PIC code MAGIC. The geometry of the depressed collector was optimized using a genetic algorithm to achieve the optimum overall recovery efficiency for specific parameters of the spent beam. Secondary electron emissions and their effects on the recovery efficiency and the backstreaming of the electrons from the collector region were simulated.
Original language | English |
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Title of host publication | 2011 International Conference on Infrared, Millimeter, and Terahertz Waves |
Publisher | IEEE |
Number of pages | 2 |
ISBN (Print) | 9781457705106 |
DOIs | |
Publication status | Published - 15 Dec 2011 |
Event | IRMMW-THz 2011 36th International Conference on Infrared, Millimeter, and Terahertz Waves - Hyatt Regency Downtown, Houston, TX, United States Duration: 2 Oct 2011 → 7 Oct 2011 http://www.irmmw-thz.org/past_conf/index.html |
Conference
Conference | IRMMW-THz 2011 36th International Conference on Infrared, Millimeter, and Terahertz Waves |
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Abbreviated title | IRMMW-THz 2011 |
Country | United States |
City | Houston, TX |
Period | 2/10/11 → 7/10/11 |
Internet address |
Keywords
- electrodes
- helium
- electromagnetic heating
- kinetic energy
- electric potential
- electron beams
- backward wave oscillators
- genetic algorithms
- geometry
- gyrotrons
- secondary electron emission