화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.32, No.9, 1798-1803, September, 2015
DOI10.1007/s11814-014-0387-6  Export Citation
A two-dimensional analytical model of laminar flame in lycopodium dust particles
Alireza Rahbari†, Ashkan Shakibi1, and Mehdi Bidabadi1
  • Department of Mechanical Engineering, Shahid Rajaee Teacher Training University (SRTTU), Tehran, Iran
  • 1Department of Mechanical Engineering, Iran University of Science and Technology, Combustion Research Laboratory, Narmak, Tehran, Iran
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A two-dimensional analytical model is presented to determine the flame speed and temperature distribution of micro-sized lycopodium dust particles. This model is based on the assumptions that the particle burning rate in the flame front is controlled by the process of oxygen diffusion and the flame structure consists of preheat, reaction and post flame zones. In the first step, the energy conservation equations for fuel-lean condition are expressed in twodimensions, and then these differential equations are solved using the required boundary condition and matching the temperature and heat flux at the interfacial boundaries. Consequently, the obtained flame temperature and flame speed distributions in terms of different particle diameters and equivalence ratio for lean mixture are compared with the corresponding experimental data for lycopodium dust particles. Consequently, it is shown that this two-dimensional model demonstrates better agreement with the experimental results compared to the previous models.
Keywords:Lycopodium Dust Particles;Two-dimensional Analytical Model;Laminar Flame Speed;Flame Temperature Distribution
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