Submarine Hull Resistance Power Calculator
Submerged Hydrodynamics & Marine Propulsion: Calculate bare hull skin friction, form factors ($1+k$), appendage drag, total resistance ($R_t$), and shaft propulsive power ($P_s$).
Hull Dimensions & Submerged Speed
Appendages & Propulsion Efficiency
Sail, planes, rudders, grates
Pumpjet / skew propeller efficiency
Resistance & Propulsive Power Summary
Required Shaft Power ($P_S$)
-- MW
-- Shaft Horsepower (shp)
Total Hydrodynamic Drag ($R_t$)
-- kN
Towing Force: -- metric tons
Effective Towing Power ($P_E$)
-- MW
-- EHP
Hull Form Factor ($1 + k$)
--
Slenderness L/D: --
Hydrodynamic Breakdown:
• Reynolds Number $Re$: -- (Fully turbulent)
• ITTC 1957 skin friction coefficient $C_f$: --
• Zero surface wave-making resistance deep below the surface ($C_w \approx 0$).
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