RANCHERO explosive pulsed power experiments

Goforth, J.H.; Anderson, W.A.; Armijo, E.; Atchison, W.L.; Bartos, J.; Clark, David; Day, R. D.; Deninger, W.; Faehl, R. J.; Fowler, C.M.; Garcia, Felix Perez; Garcia, O.F.; Herrera, D.H.; Herrera, T.J.; Keinigs, R.K.; King, J.C.; Lindemuth, Jeffrey; Martinez, E.C.; Martinez, David; Морган, Д.; Oona, H.; Oró, D.; Parker, J.V.; Randolph, R. B.; Reinovsky, R.E.; Rodriguez, George; Stokes, John; Sena, F.C.; Tabaka, L.J.; Tasker, D.G.; Taylor, Antoinette J.; Torres, David; Anderson, H. L.; Broste, W.; Johnson, J. B.

doi:10.1109/ppc.1999.825477

Cited by 13 publications

(2 citation statements)

References 3 publications

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“…We have described the development of low jitter closing switches, and other modifications, and reported our progress towards developing a reliable prototype HEPP-ICE system, capable of producing EOS up to -3 Mbar. Long tenn, we will work towards a 25-Mbar system based on the Ranchero flux compression generator (50 -90 MA) [7], and operating at 500 kV.…”

Section: Discussionmentioning

confidence: 99%

Advances in Isentropic Compression Experiments (ICE) Using High Explosive Pulsed Power

Tasker

Goforth

Oona

et al. 2004

AIP Conference Proceedings

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We are developing a prototype high explosive pulsed power (HEPP) system to obtain isentropic Equation of State (EOS) data with the Asay technique [l]. Our prototype system comprises a flat-plate explosive driven magnetic flux compression generator (FCG), an explosively formed fnse (EFF) opening switch, and a series of explosively-actuated closing switches. The FCG is capable of producing-10 MA into suitable loads, and, at a length of 216 mm, the EFF will sustain voltages in excess of 200 kV. The load has an inductance of-3 to 10 nH, allowing up to-7 MA to be delivered in times of-0.5 ps. This prototype will produce isentropic compression profiles in excess of 2 Mbar in a material such as tungsten. Our immediate plan is to obtain isentropic EOS data for copper at pressures up to-1.5 Mbar with the prototype system; eventually we hope to reach several tens of Mbar with more advanced systems.

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Section: Discussionmentioning

confidence: 99%

Advances in Isentropic Compression Experiments (ICE) Using High Explosive Pulsed Power

Tasker

Goforth

Oona

et al. 2004

AIP Conference Proceedings

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“…The Ranchero explosively driven generator is planned to drive a series of liner experiments leading to a simulation of the Atlas waveform prior to completion of the Atlas facility. The liner described here, and shown in Figure 1, was used in these experiments [4]. …”

Section: Introductionmentioning

confidence: 99%

Fabrication of an ultra smooth liner for Ranchero

Anderson

Bartos²,

Day³

et al.

Digest of Technical Papers. 12th IEEE International Pulsed Power Conference. (Cat. No.99CH36358)

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Recent calculations indicate that Atlas liners must have waviness amplitudes less than 10 nm over spatial wavelengths near 1 cm [ 11. A liner for Ranchero has been produced, on equipment at LANL, with waviness amplitudes as close to 10 nm as was possible. A lathe, with air bearing slideways and spindle, was used in concert with a single crystal diamond tool to produce this part. Since the dimensional characterization of this liner can be as challenging as the production, on-machine gauging techniques were used for much of the dimensional' inspection. This paper discusses the fabrication and metrology of this ultra smooth liner.

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