General thermal conductivity

Input(s)

Q: Heat Flow Rate (BTU/s)

L: Length (ft)

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

$\partial T$: Temperature Difference $(\mathrm{K})$

Output(s)

k: Thermal Conductivity (BTU/ft s K)

Formula(s)

$$ \mathrm{k}=\frac{\mathrm{Q} * \mathrm{~L}}{\mathrm{~A} * \partial \mathrm{T}} $$

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley \& Sons, Chapter: 9, Page: 266.