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Fusion Science and Technology
July 2025
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Hash Hashemian: Visionary leadership
As Dr. Hashem M. “Hash” Hashemian prepares to step into his term as President of the American Nuclear Society, he is clear that he wants to make the most of this unique moment.
A groundswell in public approval of nuclear is finding a home in growing governmental support that is backed by a tailwind of technological innovation. “Now is a good time to be in nuclear,” Hashemian said, as he explained the criticality of this moment and what he hoped to accomplish as president.
A. B. Kukushkin, V. A. Rantsev-Kartinov, A. R. Terentiev
Fusion Science and Technology | Volume 27 | Number 3 | April 1995 | Pages 325-328
Compact Torus (Field-Reversed Configuration, Spheromak) Concepts | doi.org/10.13182/FST95-A11947097
Articles are hosted by Taylor and Francis Online.
Experimental results are presented which verify the possibility, formerly predicted,1 of the formation of a closed, spheromak-like magnetic configuration (SLMC) in a plasma focus discharge. The model is based on the self-generated transformation of a toroidal (i.e. azimuthal) field into a poloidal one. At its final stage, the SLMC takes the form of a squeezed spheromak, which includes a combined Z-v-pinch at its major axis, exhibiting a power density several orders of magnitude larger than that measured experimentally on a force-free flux-conserver-confined spheromak formed by helicity injection. The results suggest a possibility of further concentrating the plasma power density by means of compressing the SLMC-trapped plasma by the residual magnetic field.