A dimensionless number used in heat transfer in general and forced convection calculations in particular. It is equivalent to Nu/(Re Pr). The Stanton number is proportional to (Heat transfered/Thermal capacity of fluid).

St = h / (C_{P} rho V)

St = h / (C_{P} G)

C_{P}: heat capacity, G: mass velocity, h: heat transfer coefficient, rho: density, V: velocity

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