Volume 23 Issue 2
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WEN Shang-Gang, SUN Cheng-Wei, ZHAO Feng, TAN Duo-Wang. An Optimal Design for Planar Two-Stage Strong Detonation Driving Device[J]. Chinese Journal of High Pressure Physics, 2009, 23(2): 81-86 . doi: 10.11858/gywlxb.2009.02.001
Citation: WEN Shang-Gang, SUN Cheng-Wei, ZHAO Feng, TAN Duo-Wang. An Optimal Design for Planar Two-Stage Strong Detonation Driving Device[J]. Chinese Journal of High Pressure Physics, 2009, 23(2): 81-86 . doi: 10.11858/gywlxb.2009.02.001

An Optimal Design for Planar Two-Stage Strong Detonation Driving Device

doi: 10.11858/gywlxb.2009.02.001
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  • Corresponding author: WEN Shang-Gang
  • Received Date: 03 Jul 2008
  • Rev Recd Date: 19 Dec 2008
  • Publish Date: 15 Apr 2009
  • Based on the improved Gurney model for explosive acceleration, a planar two-stage strong detonation driving device has been optimized with genetic algorithm. The flyer and the explosive are steel and JO-9159, and the thicknesses of the first and the secondary flyer are 2.5 mm and 0.5 mm, respectively. The maximal velocity of the secondary flyer and the optimized thickness of the explosive are obtained at different velocities of the first flyer from 5.0 km/s to 6.5 km/s. In a similar way, the optimized parameters are also obtained when the flyer's material is aluminium, copper, molybdenum and tantalum, respectively, with a initial velocity of the first flyer of 5.0 km/s. The calculation results can be used in experimental design of planar two-stage strong detonation driving device.

     

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