Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
physical phenomenon
|
| gptkbp:appliesTo |
ideal black body
|
| gptkbp:describes |
black-body radiation
|
| gptkbp:field |
physics
thermodynamics |
| gptkbp:form |
j* = σT^4
|
| gptkbp:formedBy |
gptkb:Ludwig_Boltzmann
|
| gptkbp:generalizes |
Stefan's law
|
| gptkbp:hasConstant |
gptkb:Stefan-Boltzmann_constant
|
| https://www.w3.org/2000/01/rdf-schema#label |
Stefan-Boltzmann law
|
| gptkbp:introduced |
gptkb:Josef_Stefan
|
| gptkbp:introducedIn |
1879
|
| gptkbp:relatedTo |
temperature of the black body
total energy radiated per unit surface area of a black body |
| gptkbp:symbolOfConstant |
σ
|
| gptkbp:unitOfConstant |
W·m⁻²·K⁻⁴
|
| gptkbp:usedIn |
gptkb:thermal_engineering
astrophysics climate science |
| gptkbp:valueOfConstant |
5.670374419×10⁻⁸ W·m⁻²·K⁻⁴
|
| gptkbp:bfsParent |
gptkb:Stefan-Boltzmann_constant
|
| gptkbp:bfsLayer |
8
|