AJ Pipe Flow Design Calculator
Fluid Mechanics Hydraulics

Where:

C_HW - Hazen-Williams correction factor
h_l - headloss
ε - pipe roughness
d - diameter
Re - Reynolds number
G - gravity
Q - flow rate
L - length
V - fluid viscosity
f - friction factor

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Type I:

Calculates h_l given Q, ε, d and L

Swamee & Jain developed equation:

Darcy - Weisbach equation:

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Type II:

Calculates Q given (ε/d), h_l, L and d

Swamee & Jain developed equation:

Colebrook formula:

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Type III:

Calculates d given Q, L, h_l, ε

Swamee and Jain developed equation

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Hazen Williams I:

Calculates h_l given Q, ε, d and L

Hazen Williams equation:

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Hazen Williams II:

Calculates Q given (ε/d), h_l, L and d

Hazen - Willaims equation:

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