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Chinese Journal of High Pressure Physics  > 2013  >  27(4): 511-516.
CHEN Guang-Hua, LIU Jun, MENG Jian-Hua, PENG Qi-Xian, YUAN Shu-Yun, WANG De-Tian, DENG Xiang-Yang. A Transverse VISAR for Measuring Free Surface Transverse Velocity of Detonation-Driven Wedge Target[J]. Chinese Journal of High Pressure Physics, 2013, 27(4): 511-516. doi: 10.11858/gywlxb.2013.04.007
Citation: CHEN Guang-Hua, LIU Jun, MENG Jian-Hua, PENG Qi-Xian, YUAN Shu-Yun, WANG De-Tian, DENG Xiang-Yang. A Transverse VISAR for Measuring Free Surface Transverse Velocity of Detonation-Driven Wedge Target[J]. Chinese Journal of High Pressure Physics, 2013, 27(4): 511-516. doi: 10.11858/gywlxb.2013.04.007
shu

A Transverse VISAR for Measuring Free Surface Transverse Velocity of Detonation-Driven Wedge Target

doi: 10.11858/gywlxb.2013.04.007

  • Institute of Fluid Physics, CAEP, Mianyang 621900, China

  • Received Date: 21 May 2012
  • Rev Recd Date: 18 Jun 2012
  • Publish Date: 15 Aug 2013
    Abstract
  • A transverse velocity interferometer system for any reflector (VISAR) has been developed by combination of a multipoint VISAR and a tri-probe device. One probe emits and receives laser, and the other two probes receive laser from different directions. The transverse and longitudinal velocities can be deduced from Doppler shift of laser received by the tri-probe. The transverse VISAR were applied to detonation driving wedge target experiments. Planar shock wave in a 10 wedge steel target was generated by plane-wave lens and T/ explosive. The free surface transverse velocities induced by oblique collision of shock wave were measured. The maximum measured longitudinal velocity is about 1 680 m/s, and the maximum measured transverse velocity is about 140 m/s. The uncertainty of the transverse velocity measurement was analyzed, and the uncertainty is estimated to be about 33 m/s in the experiments.

     

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