Advanced tools for determining optimal pipe diameters, fluid velocity, and pressure drop
Input basic pipe and fluid parameters for calculations
Calculate pipe diameter based on target fluid velocity
| Fluid Type | Velocity Range |
|---|---|
| Water (general service) | 1-3 m/s (3-10 ft/s) |
| Water (pump suction) | 0.6-1.2 m/s (2-4 ft/s) |
| Oil (pressure lines) | 1.5-4.5 m/s (5-15 ft/s) |
| Steam (low pressure) | 20-30 m/s (60-100 ft/s) |
| Air (compressed) | 6-20 m/s (20-65 ft/s) |
Calculate pipe diameter based on target pressure drop
Fluid Velocity
-
m/s
Reynolds Number
-
Re
Flow Regime
-
Laminar/Transitional/Turbulent
Friction Factor
-
Darcy friction factor
Pressure Drop
-
Pa/m
Velocity Head
-
m of fluid
Recommended Schedule
-
Based on diameter and pressure
Proper pipe sizing requires balancing velocity to avoid excessive pressure drop while preventing sedimentation at low velocities.
Where v is velocity (m/s), Q is flow rate (m³/s), A is cross-sectional area (m²), and D is pipe diameter (m).
The Darcy-Weisbach equation is the most accurate method for pressure drop calculation:
Where ΔP is pressure drop (Pa), f is friction factor, L is pipe length (m), D is pipe diameter (m), ρ is fluid density (kg/m³), and v is velocity (m/s).
Analyze pipe flexibility and supports
Choose appropriate flow measurement devices
Calculate pump requirements for flow