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Chinese Journal of High Pressure Physics  > 2006  >  20(2): 157-162 .
CHEN Zhi-Hua, FAN Bao-Chun, LI Hong-Zhi. Investigations on Combustion and Explosion Process of Suspended Aluminum Particles in a Large Combustion Tube[J]. Chinese Journal of High Pressure Physics, 2006, 20(2): 157-162 . doi: 10.11858/gywlxb.2006.02.008
Citation: CHEN Zhi-Hua, FAN Bao-Chun, LI Hong-Zhi. Investigations on Combustion and Explosion Process of Suspended Aluminum Particles in a Large Combustion Tube[J]. Chinese Journal of High Pressure Physics, 2006, 20(2): 157-162 . doi: 10.11858/gywlxb.2006.02.008
shu

Investigations on Combustion and Explosion Process of Suspended Aluminum Particles in a Large Combustion Tube

doi: 10.11858/gywlxb.2006.02.008

  • National Key Laboratory of Transient Physics, Nanjing University of Science and Technology, Nanjing 210094, China

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  • Corresponding author: CHEN Zhi-Hua
  • Received Date: 29 Nov 2004
  • Rev Recd Date: 12 Apr 2005
  • Publish Date: 05 Jun 2006
    Abstract
  • The combustion and acceleration mechanism of aluminum particles has always been the focus of some related research institutes, due to its potential application value. In the present paper, to further the investigation of combustion and propagation characteristics of aluminum particles in a limited space, the two-fluid model, turbulent k- model and combustion model of aluminum particles have been introduced to simulate the combustion propagation of aluminum suspension flow in a large horizontal tube. The SIMPLE scheme has been adopted as the main calculating method to simulate the whole propagation process of two-phase, aluminum particles-air flow in a large and long horizontal tube. The time history of all parameters of two-phase flow during the combustion and propagation process has been revealed based on our calculated results, which agrees well with our previous experimental results.

     

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