Entropy flow, entropy generation, exergy flux, and optimal absorbing temperature in radiative transfer between parallel plates

Entropy flow, entropy generation, exergy flux, and optimal absorbing temperature in radiative transfer between parallel plates

Taking nonequilibrium radiative heat transfer between two surfaces as an example, the nonequilibrium thermodynamics of radiation is studied and discussed. The formulas of entropy flow, entropy generation, exergy flux, and optimal temperature of absorbing surface for maximum exergy output are derived...

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Veröffentlicht in:Frontiers in Energy 2010-09, Vol.4 (3), p.301-305
Hauptverfasser: Chen, Zeshao, Mo, Songping, Hu, Peng, Jiang, Shouli, Wang, Gang, Cheng, Xiaofang
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Energy
Energy Systems
Entropy
Equilibrium
Exergy
Flux
Heat transfer
Mathematical analysis
Nonequilibrium thermodynamics
Optimization
Parallel plates
Radiation
Radiative heat transfer
Radiative transfer
Research Article
Solar energy
Studies
Temperature
Thermal energy
Thermodynamics
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Zusammenfassung:Taking nonequilibrium radiative heat transfer between two surfaces as an example, the nonequilibrium thermodynamics of radiation is studied and discussed. The formulas of entropy flow, entropy generation, exergy flux, and optimal temperature of absorbing surface for maximum exergy output are derived. The result is a contribution to the thermodynamic analysis and optimization of solar energy utilization and can be applied in more complex radiative heat transfer cases.
ISSN:1673-7393
2095-1701
1673-7504
2095-1698
DOI:10.1007/s11708-010-0006-0