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General Information
    • ISSN: 2010-3697  (Online)
    • Abbreviated Title: Int. J. Model. Optim.
    • Frequency: Bimonthly
    • DOI: 10.7763/IJMO
    • Editor-in-Chief: Prof. Adrian Olaru
    • Executive Editor: Ms.Yoyo Y. Zhou
    • Abstracting/ Indexing: ProQuest, Crossref, Electronic Journals Library, Google Scholar, EI (INSPEC, IET), EBSCO, etc.
    • E-mail ijmo@iacsitp.com
Prof. Adrian Olaru
University Politehnica of Bucharest, Romania
I'm happy to take on the position of editor in chief of IJMO. It's a journal that shows promise of becoming a recognized journal in the area of modelling and optimization. I'll work together with the editors to help it progress.
IJMO 2014Vol.4(4): 263-272 ISSN: 2010-3697
DOI: 10.7763/IJMO.2014.V4.384

CFD Modeling of Meat and Bone Meal Combustion in a Rotary Cement Kiln

W. K. Hiromi Ariyaratne, Anjana Malagalage, Morten C. Melaaen, and Lars-André Tokheim
Abstract—This paper presents a three-dimensional computational fluid dynamics (CFD) modeling study carried out for a rotary cement kiln withal multi-channel burner with swirl and high momentum air components. The simulations are performed using the commercial CFD software ANSYS FLUENT, version 13.0, and are carried out for coal as well as for meat and bone meal (MBM) combustion using the eddy-dissipation model for combustion. Steady-state solutions are obtained using the Lagrangian approach for the particle phase and the Eurasian approach for the continuous phase. The turbulence is modeled by the RNG k-ε model, and gas-phase radiation is modeled by the P1 radiation model. The effect of MBM fuel properties on combustion characteristics such as temperature, fuel devolatilization, volatiles and char burning, in comparison with coal, are presented and discussed. It was found that MBM combustion products temperatureis300K lower than that of coal, and the char burnout of MBM is 83%. This poor burnout is mainly due to bigger MBM particles.

Index Terms—CFD, combustion, meat and bone meal, rotary cement kiln.

The authors are with Telemark University College, Department of Process, Energy and Environmental Technology, Faculty of Technology, Kjølnes Ring 56, Post box 203, N-3901 Porsgrunn, Norway (e-mail: hiromi.ariyaratne@hit.no, anjana.m@outlook.com, morten.c.melaaen@hit.no, Lars.A.Tokheim@hit.no).


Cite: W. K. Hiromi Ariyaratne, Anjana Malagalage, Morten C. Melaaen, and Lars-André Tokheim, "CFD Modeling of Meat and Bone Meal Combustion in a Rotary Cement Kiln," International Journal of Modeling and Optimization vol. 4, no. 4, pp. 263-272, 2014.

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