Hydrodynamics Calculator

Calculate drag, lift, and hydrodynamic coefficients for underwater vehicle design

Vehicle Geometry

Length (m)1.5

Diameter (m)0.3

Fineness Ratio5.0

Hull Shape

Flow Conditions

Velocity (m/s)2.0

Water Density (kg/m³)1025

Kinematic Viscosity (×10⁻⁶ m²/s)1.05

Angle of Attack (°)0

Results

Reynolds Number

2.86×10⁶

Drag Coefficient (Cd)

0.082

Drag Force (N)

5.93

Power Required (W)

11.86

Added Mass (kg)

15.8

Drag vs Velocity

Force Components

Hydrodynamic Coefficients

Parameter	Symbol	Value	Units