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Simulation of Particle Synthesis by Premixed Laminar Stagnation Flames

Published online by Cambridge University Press:  12 September 2013

Abhijit Modak ,
Karthik Puduppakkam ,
Chitralkumar Naik  and
Ellen Meeks
Abhijit Modak
Affiliation:
Reaction Design, 5930 Cornerstone court west, Suite 230, San Diego, CA 92121, U.S.A.
Karthik Puduppakkam
Affiliation:
Reaction Design, 5930 Cornerstone court west, Suite 230, San Diego, CA 92121, U.S.A.
Chitralkumar Naik
Affiliation:
Reaction Design, 5930 Cornerstone court west, Suite 230, San Diego, CA 92121, U.S.A.
Ellen Meeks
Affiliation:
Reaction Design, 5930 Cornerstone court west, Suite 230, San Diego, CA 92121, U.S.A.
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Abstract

A sectional method for determining particle size distributions has been implemented within the particle tracking module included with CHEMKIN-PRO. The module is available for use with many types of reactor models, ranging from 0-D batch reactors to laminar flame simulations. Coupled with the Burner-stabilized Stagnation Flame (BSSF) Model, the sectional model offers a high-fidelity, robust, and efficient computational framework for simulating flame synthesis of particles in a laminar, premixed stagnation flame environment. The CHEMKIN-PRO coupling allows inclusion of detailed gas-phase chemistry that determines key particle-formation precursors, along with physical processes such as nucleation and coagulation of particles. These capabilities are demonstrated for two flame-particle systems of practical importance, viz. nanocrystalline titania synthesis and soot formation. The results are compared with experimental data obtained at the University of Southern California (USC) flame facility. Computed particle size distributions show good agreement with experimental data. Simulations have led to exploration of the parameter space for particle production and particle-size influences.

Keywords

flame synthesisparticulatesimulation
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1506: Symposium Y – Combustion Synthesis of Functional Nanomaterials , 2013 , mrsf12-1506-y04-05
Copyright
Copyright © Materials Research Society 2013 

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References

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