| Appendix A. Formulas |
This appendix contains the formulas you can use during pipeline design and operations.
A-2. Bernoulli Equation. This equation expresses the energy relationship for a liquid flowing through a pipe between two points.
A-3. Darcy-Weisbach Equation. Use this equation to calculate friction head loss in a pipeline:
A-4. Reynold's Number. Use this equation to determine the friction factor required in the Darcy-Weisbach Equation (see Figure C-9):
where--
Q = flow, in GPMd = inside diameter of pipe, in inches.
K = kinematic viscosity, in centistokes (see Figure C-8).
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