Estimate pressure drop for an estimate of pipe diameter Pressure drop is a function of flow rate, length, diameter, and roughness. Either iterative methods OR equation solvers are necessary to solve implicit problems. For a first guess of a 1 ft diameter pipe, what is the fluid velocity? V = 5.67 ft/s What is the Reynolds number? Re = 96014 What is the pipe relative roughness?

Explanation:

By using Bernoulli's Equation:

where;

Density of gasoline

Dynamic Viscosity =

D = 1.46 f

However; the trail and error is as follows;

Assume ; f= 0.02 → D = 0.667ft  

f = 0.0145  → D = 0.0428 ft

f = 0.0156  → D = 0.43 ft

∴ pipe diameter d = 0.43 ft

Given that:

D = 1 ft

 to psi ; we have:

i mean i gues

explanation:

answer:

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