A study has been made of the influence of a porous obstacle on deflagration-to-detonation transition in a pulse combustion chamber of small length. Dependences of the detonation-wave velocity on the distance have been obtained for two samples of a porous material (steel spheres and a ceramic porous body). It has been shown that the use of an insert from a porous material leads to a reduction of 40% in the predetonation distance without changing substantially the structure of the pulse combustion chamber.
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 85, No. 5, pp. 968–973, September–October, 2012.
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Alhussan, K., Assad, M.S., Penyazkov, O.G. et al. Formation of detonation in a pulse combustion chamber with a porous obstacle. J Eng Phys Thermophy 85, 1052–1057 (2012). https://doi.org/10.1007/s10891-012-0746-2
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DOI: https://doi.org/10.1007/s10891-012-0746-2