Small class (250 mm) disk EMG testing results

Chernyshev, V.K.; Vakhrushev, V.V.; Shpagin, V.I.; Kudel’kin, V. B.

doi:10.1109/ppps.2001.1001702

Cited by 2 publications

(2 citation statements)

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“…The electrical explosion of the foil in the second cascade (5) results in the operation of the discharger K 2 and the energy is delivered to the Z pinch (7) via a through-pass dielectric and a vacuum transmission line (6). It is expedient to use DEMGs with flat disc elements [16,17], providing the maximum efficiency of HE energy conversion to the magnetic field energy (20-25%), as the energy source. DEMGs have been developed with the following diameters and HE mass per disc element: ∅250 mm and 0.9 kg/el; ∅400 mm and 3.3 kg/el; ∅1000 mm and 36 kg/el [18].…”

Section: Sources Of Current On the Basis Of Demg And Electrically Exp...mentioning

confidence: 99%

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An ICF system based on Z-pinch radiation produced by an explosive magnetic generator

Garanin¹,

Ivanovsky²,

Mkhitariyan³

2011

Nucl. Fusion

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It is known that a thermonuclear target can be ignited by an implosion accomplished with X-radiation generated by means of laser radiation conversion or by a Z pinch formed by a high-power current pulse. For these purposes laser facility NIF has been constructed in the USA, ‘Megajoule’ is being constructed in France and there is a project of laser facility UFL in Russia. The project of stationary facility X has been developed in SNL USA to produce a Z pinch capable of generating an x-ray pulse with parameters close to the ignition threshold. There is a great chance, however, that the already tested technologies, including disc explosive magnetic generators (DEMG), systems of current peaking based on electrically exploded foil opening switches and high-voltage switching devices, allow the intriguing problem of the ignition feasibility to be solved and the quickest and cheapest way to accomplish this to be provided. To explore this possibility, the paper will sequentially analyse the ignition conditions. The required parameters of Z pinch X-radiation and the size of the DEMG-based facility to obtain these parameters will be evaluated. Capabilities of the new current sources based on the DEMG and of the devices shaping a current pulse will be presented and compared with those required for the ignition.

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Section: Sources Of Current On the Basis Of Demg And Electrically Exp...mentioning

confidence: 99%

“…Herewith, the increase in inductances due to an increase in h i = k • h i (i = 1, 2) is compensated by an increase in the foil location radius r 2 = k • r 2 (see figure 23). These scale parameters allow restricting numerical simulations to the small-class DEMG [17].…”

Section: Sources Of Current On the Basis Of Demg And Electrically Exp...mentioning

confidence: 99%