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Fusion Science and Technology
Latest News
Zap Energy hits 37-million-degree electron temperatures in compact fusion device
Zap Energy announced April 23 that it has reached 1-3 keV plasma electron temperatures—roughly the equivalent of 11 to 37 million degrees Celsius—using its sheared-flow-stabilized Z-pinch approach to fusion. Reaching temperatures above that of the sun’s core (which is 10 million degrees Celsius temperature) is just one hurdle required before any fusion confinement concept can realistically pursue net gain and fusion energy.
W. T. Shmayda, S. J. Loucks, R. Janezic, T. W. Duffy, D. R. Harding, L. D. Lund
Fusion Science and Technology | Volume 49 | Number 4 | May 2006 | Pages 851-858
Technical Paper | Target Fabrication | doi.org/10.13182/FST06-A1213
Articles are hosted by Taylor and Francis Online.
The Laboratory for Laser Energetics (LLE) at the University of Rochester has conducted inertial confinement fusion experiments since the early 1970s. Beginning in 1996, LLE filled and fielded targets containing DT gas with pressures as high as 30 atm. Facilities are being upgraded to prepare, characterize, and field targets with DT ice on their inner surface. To this end, process loops that can pressurize DT gas to 1200 bar and operate at 17 K are in the final stages of commissioning. To preclude both accidental and chronic tritium releases and to minimize the potential for exposures to personnel, both metal hydride-based and oxidation drier-based cleanup systems have been installed and commissioned with hydrogen. Cryogenic DT targets will be fielded in 2006.