Optimizing the Ranchero Coaxial Flux Compression Generator

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Description

Ranchero is an explosively driven magnetic flux-compression generator that has been developed, over the last four years, as a versatile power source for high energy density physics experiments. It is coaxial, and comprises a 15 cm-diameter armature and a 30-cm stator, each aluminum. The length may be varied to suit the demands of each experiment; thus far, lengths of 0.43 m and 1.4 m have been used. The stator is filled and driven by a high performance cast explosive, and the ultimate performance of the device is limited by the smoothness of the armature expansion. The armature explosive is initiated ... continued below

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Medium: P; Size: vp.

Creation Information

Tasker, D.G.; Goforth, J.H.; Fowler, C.M.; Lopez, E.A.; Oona, H.; King, J.C. et al. October 18, 1998.

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Description

Ranchero is an explosively driven magnetic flux-compression generator that has been developed, over the last four years, as a versatile power source for high energy density physics experiments. It is coaxial, and comprises a 15 cm-diameter armature and a 30-cm stator, each aluminum. The length may be varied to suit the demands of each experiment; thus far, lengths of 0.43 m and 1.4 m have been used. The stator is filled and driven by a high performance cast explosive, and the ultimate performance of the device is limited by the smoothness of the armature expansion. The armature explosive is initiated on axis by PETN hemispheres, spaced at intervals of about 18 mm and 24.5 mm; each is simultaneously detonated by a slapper detonator system. Calculations of armature expansion predicted ripples less than 0.2 mm, and this was confirmed in early experiments. Yet, ripples approaching tens of millimeters were observed in some more recent experiments. The authors discuss the possible origins of the se large ripples, and the methods the authors have used to correct them.

Physical Description

Medium: P; Size: vp.

Notes

INIS; OSTI as DE00759416

Source

  • VIIIth International Conference on Megagauss Field Generation and Related Topics, Tallahassee, FL (US), 10/18/1998--10/23/1998

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  • Report No.: LA-UR-98-4566
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 759416
  • Archival Resource Key: ark:/67531/metadc710423

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Office of Scientific & Technical Information Technical Reports

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  • October 18, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • May 6, 2016, 2:50 p.m.

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Tasker, D.G.; Goforth, J.H.; Fowler, C.M.; Lopez, E.A.; Oona, H.; King, J.C. et al. Optimizing the Ranchero Coaxial Flux Compression Generator, article, October 18, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc710423/: accessed December 10, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.