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Non-equilibrium Stefan–Boltzmann law
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Agustin Pérez-Madrid
Veröffentlicht/Copyright:
18. Oktober 2010
Abstract
We study thermal radiation outside equilibrium. The situation we consider consists of two bodies emitting photons at two different temperatures. We show that the system evolves to a stationary state characterized by an energy current which satisfies a law similiar to the Stefan–Boltzmann law. The magnitude of this current depends on the temperature of the emitters expressed through the difference of the fourth power of these temperatures. The results obtained show how the classical laws governing the thermal radiation at equlibrium can be generalized away from equilibrium situations.
Received: 2009-10-15
Accepted: 2009-11-30
Published Online: 2010-10-18
Published in Print: 2010-October
© de Gruyter 2010
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Artikel in diesem Heft
- Guest Editorial – Joint European Thermodynamics Conference 10
- Boltzmann's knock: auto-ignition delay times from Arrhenius theory
- Thermodynamical estimation of the limit potentialities of irreversible binary distillation
- Surface tension and excess molar volumes of trimethyl benzene with tetrahydrofuran, tetra chloromethane and dimethyl sulfoxide
- A new perspective on the form of the first and second laws in rational thermodynamics: Korteweg fluids as an example
- Propagation of temperature waves along core-shell nanowires
- Non-equilibrium Stefan–Boltzmann law
- Gibbs–Bogoliubov variational procedure with the square-well reference system
- Physical foundations of evolutionary theory
- Behavior of entropy in non-classical heat conduction of incompressible media
- The balance of spin from the point of view of mesoscopic continuum physics for liquid crystals
- Simultaneous extrema in the entropy production for steady-state fluid flow in parallel pipes
