Attenuation of a hydrogen-air detonation by acoustic absorbing covering

30th International Conference on Interaction of Intense Energy Fluxes with Matter

Bivol, G.Yu.^1 ; Golovastov, S.V.^1 ; Golub, V.V.^1 ; Ivanov, K.V.^1 ; Korobov, A.E.^1

Joint Institute for High Temperatures, Russian Academy of Sciences, Izhorskaya 13, Moscow

125412, Russia^1

关键词: Absorbing covering;    Detonation tubes;    Detonation waves;    Explosive mixtures;    Hydrogen-air detonation;    Hydrogen-air mixture;    Sound-absorbing surfaces;    Spark discharge;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/653/1/012067/pdf
DOI  :  10.1088/1742-6596/653/1/012067

来源: IOP

【 摘 要 】

Using of sound-absorbing surfaces to weaken and decay of a detonation wave in hydrogen-air mixtures was investigated experimentally. Experiments were carried out in a cylindrical detonation tube open at one end. Initiation of the explosive mixture was carried out by a spark discharge, which is located at the closed end of the detonation tube. Acoustical sound absorbing foam element of a specific weight of 0.035 g/cm3with open pores of 0.5 mm was used. The degree of attenuation of the intensity of the detonation wave front was determined.