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Entropy Transport Equation in Large Eddy Simulation for Exergy Analysis of Turbulent Combustion Systems

Department of Mechanical and Industrial Engineering, Northeastern University, 360 Huntington Avenue, Boston, MA 02115, USA
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Entropy 2010, 12(3), 434-444; https://doi.org/10.3390/e12030434
Received: 11 January 2010 / Accepted: 5 March 2010 / Published: 8 March 2010
(This article belongs to the Special Issue Exergy: Analysis and Applications)
The transport equation of entropy is introduced in large eddy simulation to perform exergy analysis of turbulent combustion systems. The sources of exergy destruction can be evaluated by analyzing entropy generation terms, which appear in unclosed forms in this equation. The closure is based on the filtered density function (FDF) methodology. The primary advantage of FDF is that chemical reaction and its entropy generation effects appear in closed forms. This methodology involves a stochastic model, which is being developed to account for the subgrid scale transport of entropy. View Full-Text
Keywords: entropy generation; exergy analysis; large eddy simulation; filtered density function; probability density function; turbulent combustion entropy generation; exergy analysis; large eddy simulation; filtered density function; probability density function; turbulent combustion
MDPI and ACS Style

Safari, M.; Sheikhi, M.R.H.; Janbozorgi, M.; Metghalchi, H. Entropy Transport Equation in Large Eddy Simulation for Exergy Analysis of Turbulent Combustion Systems. Entropy 2010, 12, 434-444.

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