Computational Fluid Dynamics Calculator
±5% Accuracy • Advanced Correlations • Experimental Validation.
Note* click on each box to select the required options.
Geometry:
Straight Pipe
90° Elbow
45° Elbow
Tee (Through Flow)
Tee (Branch Flow)
Sudden Expansion
Sudden Contraction
Orifice Plate
Length (m):
Diameter (m):
Secondary Diameter (m):
Wall Roughness:
Drawn Tubing - Copper/Plastic (1.5 µm)
Seamless Steel - New (5 µm)
Stainless Steel - 304/316 (15 µm)
Carbon Steel - New Welded (25 µm)
Commercial Steel - Standard (45 µm)
Mild Steel - Good Condition (60 µm)
Carbon Steel - Used (90 µm)
Alloy Steel - Heat Treated (120 µm)
Cast Iron - New (150 µm)
Tool Steel - Machined (180 µm)
Carbon Steel - Aged (200 µm)
Galvanized Steel - Hot Dipped (260 µm)
Weathering Steel - Corten (300 µm)
Cast Iron - Used (400 µm)
Carbon Steel - Heavy Corrosion (500 µm)
Galvanized Steel - Aged (600 µm)
Cast Steel - As Cast (900 µm)
Concrete - Smooth (1.5 mm)
Concrete - Rough (3 mm)
Custom Value
Fluid:
Water
Air
Steam
Light Oil (SAE 10)
Heavy Oil (SAE 50)
Ethylene Glycol
Propylene Glycol
Hydrogen
Nitrogen
Oxygen
Carbon Dioxide
Methane
Temperature (°C):
-20°C
0°C
20°C
40°C
60°C
80°C
100°C
150°C
200°C
300°C
Flow Conditions
Velocity (m/s):
Pressure:
Bar
PSI
kPa
Flow Rate (m³/s):
Mass Flow (kg/s):
Advanced Options
Turbulence Model:
Auto-Select
Laminar
Spalart-Allmaras
k-e Standard
k-e RNG
k-? Standard
k-? SST
Reynolds Stress
Large Eddy Simulation
Entrance Length:
Include
Ignore
Compressibility:
Auto-Detect
Incompressible
Compressible
Heat Transfer:
Isothermal
Coupled
Calculate Advanced CFD
Load Last
Clear All
Export JSON
OpenFOAM Setup
Fluent Setup
3D Controls:
• Rotate: Left mouse drag
• Zoom: Mouse wheel
• Pan: Right mouse drag
Flow Analysis
Experimental Validation
CFD Model Recommendations