Communications Earth & Environment (Sep 2021)

Standing shock prevents propagation of sparks in supersonic explosive flows

  • Jens von der Linden,
  • Clare Kimblin,
  • Ian McKenna,
  • Skyler Bagley,
  • Hsiao-Chi Li,
  • Ryan Houim,
  • Christopher S. Kueny,
  • Allen Kuhl,
  • Dave Grote,
  • Mark Converse,
  • Caron E. J. Vossen,
  • Sönke Stern,
  • Corrado Cimarelli,
  • Jason Sears

Journal volume & issue
Vol. 2, no. 1
pp. 1 – 9


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Images of electrical sparks in shock tube experiments with supersonic outflows show how standing shocks regulate electrical breakdown. The resulting radio frequency emission could diagnose flow structure in other explosive events such as volcanic eruptions.