Utilize our Hydrodynamic Resistance Calculator to quickly determine the drag force an object experiences while moving through a fluid. Essential for naval architects, marine engineers, and anyone studying fluid dynamics, this tool simplifies complex calculations for ship resistance, underwater vehicles, and other submerged or surface-level structures.
Formula:
The Hydrodynamic Resistance (R), also known as drag force, is calculated using the following formula:
= rac{1}{2} ρ v^2 A C_d$
Where:
- R = Hydrodynamic Resistance (Newtons, N)
- ρ (rho) = Fluid Density (kilograms per cubic meter, kg/m3)
- v = Relative Velocity of the object through the fluid (meters per second, m/s)
- A = Wetted Surface Area or Reference Area (square meters, m2)
- Cd = Drag Coefficient (dimensionless)