Question 1

How is pipe flow calculated?

Accepted Answer

Q = A × v = (πd²/4) × v, where d is diameter and v is velocity. Friction reduces flow in longer pipes.

Question 2

What affects pipe flow rate?

Accepted Answer

Pipe diameter, pressure, friction losses, fluid viscosity, and pipe material roughness.

Question 3

How does pipe diameter affect flow rate?

Accepted Answer

Flow rate is proportional to the square of diameter. Doubling pipe diameter quadruples potential flow rate at the same pressure.

Question 4

What's the difference between volume and mass flow rate?

Accepted Answer

Volume flow (gallons/min) ignores fluid density. Mass flow (kg/s) accounts for density, important when density changes with temperature or pressure.

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