Net Positive Suction Head Calculator
Introduction & Importance
Net Positive Suction Head (NPSH) is crucial in pump selection and system design…
How to Use This Calculator
- Enter the fluid’s density, viscosity, and flow speed.
- Click ‘Calculate’.
- View results and chart.
Formula & Methodology
The formula for NPSH is NPSH = (P_s – P_v) / (ρ * g) + V_s / (2 * g) + (V_t / (2 * g)) * (V_t / (4 * d)) + (K * V_t / (2 * g * sqrt(2 * g * d / (V_t * ρ))))
Real-World Examples
Data & Statistics
| Fluid | Density (kg/m³) | Viscosity (Pa·s) |
|---|---|---|
| Water | 1000 | 1.003 x 10^-3 |
| Oil | 870 | 0.05 |
Expert Tips
- Always consider cavitation when selecting pumps.
- Use the correct fluid properties for accurate results.
Interactive FAQ
What is cavitation?
Cavitation is the formation and collapse of vapor bubbles in a liquid…
Density of Fluids – Engineering ToolBox
Viscosity of Fluids – Engineering ToolBox