Nusselt Number Calculator  

Convection Heat Transfer Coefficient :
k = Nuk/L
Characteristic Length :
L = Nuk/h
Thermal Conductivity of the Fluid :
k = hL/Nu
Where,
Nu = Nusselt Number,
h = Convection Heat Transfer Coefficient,
L = Characteristic Length,
k = Thermal Conductivity of the Fluid.
Example:
Calculate the Nusselt Number for the given details.
Convection Heat Transfer Coefficient (h) = 25 W/m^{2}K
Characteristic Length (L) = 5 m
Thermal Conductivity of the Fluid(k) = 10 W/mK
Solution:
Apply Formula:
Nu = hL/k
Nu = 25*5/10
Nu = 12.5000
Nusselt Number (Nu) = 12.5000