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Synonym
Fourier number (Fo) = Dimensionless Fourier time (tD)


Dimensionless quantity characterising transient (time dependant) Heat Transfer:

\mbox{Fo}  = t_D = \frac{a \cdot t}{L^2}

where

Heat Transfer transient time

Thermal Diffusivity 

Characteristic length of Heat Transfer


See also


Physics / Thermodynamics / Heat Transfer

Dimensionless Heat Transfer Numbers ]