Chun-ping Wu, Lian-sheng Liu, Xu-guang Wang, Yong Liu,  and Yin-jun Wang, Channel effect of the modified powdery mixture of ammonium nitrate and fuel oil, Int. J. Miner. Metall. Mater., 17(2010), No. 5, pp. 519-525. https://doi.org/10.1007/s12613-010-0352-2
Cite this article as:
Chun-ping Wu, Lian-sheng Liu, Xu-guang Wang, Yong Liu,  and Yin-jun Wang, Channel effect of the modified powdery mixture of ammonium nitrate and fuel oil, Int. J. Miner. Metall. Mater., 17(2010), No. 5, pp. 519-525. https://doi.org/10.1007/s12613-010-0352-2

Channel effect of the modified powdery mixture of ammonium nitrate and fuel oil

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  • Corresponding author:

    Chun-ping Wu    E-mail: ahwucp@163.com

  • Received: 12 October 2009Revised: 21 October 2009Accepted: 30 November 2009
  • The modified powdery mixture of ammonium nitrate and fuel oil (MPANFO) is a new breed of industrial explosives developed years ago in China. As one of the important properties of an industrial explosive, the channel effect of MPANFO was reported in this paper. A series of experiments were conducted to determine the channel effect of MPANFO. The blasthole diameter range was estimated to avoid the channel effect of MPANFO. Three empirical formulae for predicting the detonation length of MPANFO were provided in terms of the channel effect. Experiments and theoretical analysis indicate that the channel effect of MPANFO is very serious. The reason why the channel effect of MPANFO is worse than that of other industrial explosives is explained at a theoretical level. In addition, some properties of MPANFO, such as sympathetic distance, detonation velocity and brisance, are determined.
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