Pump Suction Flow Velocity Water
Reference data and engineering information about pump suction flow velocity water for fluid mechanics applications.
pumpsuctionflowvelocityCalculator
Overview
Engineering reference data for Pump Suction Flow Velocity Water in fluid mechanics.
Key Formulas
Reynolds Number
Ratio of inertial to viscous forces — determines flow regime.
Bernoulli's Equation
Conservation of energy for steady, inviscid, incompressible flow.
Continuity Equation
Conservation of mass for incompressible flow.
Darcy-Weisbach
Pressure drop due to friction in a pipe.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Reynolds number | — | |
| Fluid density | kg/m³ | |
| Flow velocity | m/s | |
| Characteristic dimension | m | |
| Dynamic viscosity | Pa·s | |
| Pressure | Pa | |
| Darcy friction factor | — |
Maximum Suction Flow Velocities for Water
To prevent capacity problems, cavitation, and high power consumption in pumps, keep the suction fluid flow speed for water below the maximum velocities shown in the table. These are general guidelines based on pipe bore size.
8 rows
Pipe Bore(inches) | Pipe Bore(mm) | Max. Suction Velocity(m/s) | Max. Suction Velocity(ft/s) |
|---|---|---|---|
| 1 | 25 | 0.5 | 1.5 |
| 2 | 50 | 0.5 | 1.6 |
| 3 | 75 | 0.5 | 1.7 |
| 4 | 100 | 0.55 | 1.8 |
| 6 | 150 | 0.6 | 2 |
| 8 | 200 | 0.75 | 2.5 |
| 10 | 250 | 0.9 | 3 |
| 12 | 300 | 1.4 | 4.5 |
Source: engineeringtoolbox.com