Energy emitted from the surface of a black body

Input(s)

S: Stephan-Boltzmann Constant $\left(\mathrm{lb} /\left(\mathrm{hr}^{3} \mathrm{R}^{4}\right)\right)$

T: Temperature (R) A: Area $\left(\mathrm{ft}^{2}\right)$

Output(s)

$\left(\boldsymbol{q}_{\boldsymbol{b}}\right)^{\boldsymbol{e}}$: Emitted Heat Flux $\left(\mathrm{Btu} / \mathrm{h} \mathrm{ft}^{2}\right)$

Formula(s)

$$ \left(\mathrm{q}_{\mathrm{b}}\right)^{\mathrm{e}}=\rho *\left(\mathrm{~T}^{4}\right) $$

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley \& Sons, Chapter: 16, Page: 494.