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Start with the maximum flow speed (metres per second) for your liquid, then mutiply by the area of the pipe in square metres, the result is maximum volume flow rate in cubic metres per second.
Wiki User
∙ 12y ago
Wiki User
∙ 14y agoThe surface area of a pipe is calculated the same as that of a cylinder.
A= cross sectional area * length
A= pi*r2*L = pi*D^2/4*L
Where r= radius, D= diameter, and L= length
Keep in mind that a pipe has an inner diameter and an outer diameter. Use whichever diameter corresponds to the surface area you want to calculate.
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