Fanno Parameter Calculator

Fanno flow is an adiabatic flow in a duct having frcition. The length of the duct, fanning friction factor and hydraulic diameter together forms the fanno parameter. This is an online calculator to find the fanno parameter with heat capacity ratio and mach number.

Find the Fanno Parameter based on Mach Number

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Formula:

4fL* / Dh = ((1 - M2) / (γ * M2)) + ((γ + 1) / (2 * γ)) * ln[M2 / ((2 / (γ + 1)) * (1 + ((γ - 1) / 2) * M2))] Where, 4fL* / Dh = Fanno Parameter f = Fanning Friction Factor L* = Length of the Duct Dh = Hydraulic Diameter M = Mach Number γ = Heat Capacity Ratio

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