Stefan-Boltzmann law
From Encyclopedia of Mathematics
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The total emission capacity $ u $
of an absolutely-black body is proportional to the fourth power of its absolute temperature $ T $:
$$ u = \sigma T ^ {4} , $$
where $ \sigma = ( 5.67032 \pm 0.00071) \cdot 10 ^ {-1} Bt/m ^ {2} \cdot K ^ {4} $( the Stefan–Boltzmann constant). This law was obtained empirically from analysis of experimental data by J. Stefan (1879), and was proposed in thermodynamic terms by L. Boltzmann (1884).
References
| [a1] | M. Born, "Atomic physics" , Blackie & Son (1958) |
How to Cite This Entry:
Stefan–Boltzmann law. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Stefan%E2%80%93Boltzmann_law&oldid=23044
Stefan–Boltzmann law. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Stefan%E2%80%93Boltzmann_law&oldid=23044