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

被引：29

作者：

Safari, Mehdi ^{[1
]}

Sheikhi, M. Reza H. ^{[1
]}

Janbozorgi, Mohammad ^{[1
]}

Metghalchi, Hameed ^{[1
]}

机构：

[1] Northeastern Univ, Dept Mech & Ind Engn, Boston, MA 02115 USA

来源：

ENTROPY | 2010年 / 12卷 / 03期

关键词：

entropy generation; exergy analysis; large eddy simulation; filtered density function; probability density function; turbulent combustion; FILTERED DENSITY-FUNCTION; STATISTICAL-THEORY; GENERATION; IRREVERSIBILITIES; BALANCE; ENERGY;

D O I：

10.3390/e12030434

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页码：434 / 444

页数：11

共 51 条

[1] [Anonymous], 1954, Selected Papers on Noise and Stochastic Process
[2] Future progress in turbulent combustion research
Bilger, RW
[J]. PROGRESS IN ENERGY AND COMBUSTION SCIENCE, 2000, 26 (4-6) : 367 - 380
[3] Analysis of entropy generation in hydrogen-enriched methane-air propagating triple flames
Briones, Alejandro M.
Mukhopadhyay, Achintya
Aggarwal, Suresh K.
[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2009, 34 (02) : 1074 - 1083
[4] Destruction of availability (exergy) due to combustion processes: a parametric study
Chavannavar, P. S.
Caton, J. A.
[J]. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY, 2006, 220 (A7) : 655 - 669
[5] Filtered density function for large eddy simulation of turbulent reacting flows
Colucci, PJ
Jaberi, FA
Givi, P
Pope, SB
[J]. PHYSICS OF FLUIDS, 1998, 10 (02) : 499 - 515
[6] Effects of gravity on structure and entropy generation of confined laminar diffusion flames
Datta, A
[J]. INTERNATIONAL JOURNAL OF THERMAL SCIENCES, 2005, 44 (05) : 429 - 440
[7] Entropy generation in a confined laminar diffusion flame
Datta, A
[J]. COMBUSTION SCIENCE AND TECHNOLOGY, 2000, 159 : 39 - 56
[8] Energy and exergy balance in a gas turbine combustor
Datta, A
Som, SK
[J]. PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART A-JOURNAL OF POWER AND ENERGY, 1999, 213 (A1) : 23 - 32
[9] Developments in formulation and application of the filtered density function
Drozda, T. G.
Sheikhi, M. R. H.
Madnia, C. K.
Givi, P.
[J]. FLOW TURBULENCE AND COMBUSTION, 2007, 78 (01) : 35 - 67
[10] Focusing properties of a rectangular-rod photonic-crystal slab
Feng, SA
Li, ZY
Feng, ZF
Ren, K
Cheng, BY
Zhang, DZ
[J]. JOURNAL OF APPLIED PHYSICS, 2005, 98 (06)

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