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Numerical investigation of the expansion of a cloud of dispersed particles or drops under the influence of an explosion

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Abstract

The results are given of a numerical investigation into the expansion of clouds of fine disperse particles or drops suspended in air under the influence of a blast wave. Two possible situations are simulated: an explosion in front of a cloud and an explosion in the region of a cloud (explosion with simultaneous formation of a drop region behind the shock front). The influence that the determining parameters have on the range and extension of the expansion zone is analyzed, and the results of the numerical experiments are generalized by means of empirical dependences.

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Literature cited

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Authors and Affiliations

  1. Moscow, Ufa.

    A. I. Ivandaev, A. G. Kutushev & R. I. Nigmatulin

Authors
  1. A. I. Ivandaev
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  2. A. G. Kutushev
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  3. R. I. Nigmatulin
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 1, pp. 82–90, January–February, 1982.

We thank K. I. Kozorezov for drawing our attention to the subject of the investigation and A. L. Gonor for a helpful discussion.

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Ivandaev, A.I., Kutushev, A.G. & Nigmatulin, R.I. Numerical investigation of the expansion of a cloud of dispersed particles or drops under the influence of an explosion. Fluid Dyn 17, 68–74 (1982). https://doi.org/10.1007/BF01090701

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  • DOI: https://doi.org/10.1007/BF01090701

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