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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.
A. Ibarra, R. Heidinger, P. Barabaschi, F. Mota, A. Mosnier, P. Cara, F. S. Nitti
Fusion Science and Technology | Volume 66 | Number 1 | July-August 2014 | Pages 252-259
Technical Paper | doi.org/10.13182/FST13-778
Articles are hosted by Taylor and Francis Online.
In this paper we analyze from the technical point of view the possibility of developing the IFMIF facility (International Fusion Materials Irradiation Facility) in a stepped approach from the prototypes, presently under testing in the framework of the IFMIF/EVEDA Project (IFMIF Engineering Validation and Engineering Design Activities), but with the capability to fulfill the DEMO (Demonstration reactors) needs in a first step and the fusion power plant needs in a second step. The paper is focused on the so-called DONES (DEMO Oriented Neutron Source) alternative. It is built using one of the 40 MeV IFMIF accelerators, together with a strong simplification of some of the other systems and subsystems, driven by the lower power to be handled in the DONES facility, by transferring the PIE (post-irradiation experiment) analysis to other external facilities, by reducing the remote handling activities foreseen in the facility, and by reducing the type of irradiation experiments to be performed simultaneously. A preliminary neutronic evaluation of the achievable radiation map and on the requirements for the transfer of the irradiated modules to the external facility is also presented.