Shaft power for a hydraulic pump delivering a given flow at a specific pressure - P = Q·p/η.
Formula
$$ P_{shaft} = \frac{Q \cdot p}{\eta \cdot 600} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $Q$ | Volumetric flow | L/min | pump spec |
| $p$ | Working pressure | bar | relief setting |
| $\eta$ | Overall efficiency | - | maker data |
Sources
- Bosch Rexroth Marine Hydraulic Handbook.