Letter | Published:

Attenuating Blast Waves produced by an Instantaneous Release of Thermal Energy

Nature volume 204, page 673 (14 November 1964) | Download Citation

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Abstract

IT has been observed that, when an explosive charge of TNT is intimately surrounded by a light crushable porous solid of large surface area and high heat capacity, the subsequent blast wave is rapidly attenuated. The mechanism of attenuation is hazarded as mainly heat transfer. The crushable nature of the surrounding porous solid (no elasticity–zero velocity of sound) would prevent immediate transmission of the blast wave energy and allow time for multiple reflexions, hence heat transfer and therefore attenuation, as gas flow is established through the porous solid.

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Affiliations

  1. National Aeronautical Establishment, National Research Council, Ottawa.

    • J. WADSWORTH

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DOI

https://doi.org/10.1038/204673a0

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