Derivation of Darcy Weisbach Equation

[@arnavthescientist1149]

As a mechanical engineering student I am astonished how many students don't know this equation and just use it in the exam.

[@doyouknowdawae2625]

Thanks Professor :)

[@nasazinwaii9519]

From which book is this ?

[@JoeShmoe-f4w]

Similar to that in Fluid Mechanics with engineering applications - Franzini