The Nusselt number inside of a tube supposedly is
Nu = 0.0255(Re)^0.8(Cp/k)^0.4
The units are lengh*time/mass or 3429 cm sec / gm for air at 350 K.
Elsewhere in the English unit based book 0.73 is given as the value
for Cp/k and is raised to the 0.3 power or 0.91.
How do you raise units to some fractional power?
The book has several typos but I can't get this one.
- posted 14 years ago