The friction factor can be determined using several methods, including the Moody diagram, the Colebrook equation, and the Swamee-Jain equation. G = acceleration due to gravity (9.81 m/s^2) The Darcy-Weisbach equation can be expressed as:į = friction factor, which accounts for the resistance to flow caused by the roughness of the pipe's interior surface The Darcy-Weisbach equation considers several variables, including fluid density, fluid velocity, pipe diameter, pipe length, and pipe roughness, to calculate the head loss, which is equivalent to the pressure drop in terms of the height of fluid. The Darcy-Weisbach equation is a commonly used formula for calculating the pressure drop (ΔP) in a pipe, and it is a good choice for many applications.
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