// multi-utility computation suite · offline · instant · precise
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sci.wave-energy-significant-height Calculator
Calculates ocean wave energy density E = ρgH²/8 per unit surface area and power flux P = Ecg, where cg is group velocity. A significant wave height of 3 m in deep water carries ≈ 36 kW/m of wave crest — wave period of 10 s gives group velocity ≈ 7.8 m/s and power flux ≈ 28 kW/m.
Inputs
Hs M
Vertical measurement. For health calculators, typically standing height without shoes.
Te S
Capacity to do work (J or kWh). Conserved — converts between forms but total stays constant in a closed system.
Rho Kgm3
Mass per unit volume (kg/m³). Water: 1,000. Air: 1.225. Steel: 7,850. Affects buoyancy, flow, and structural loads.
L M
Horizontal extent perpendicular to the length.
Results
wave power flux J (kW/m)
Reference formula or conversion factor shown for context.
device power output (kW)
Reference formula or conversion factor shown for context.
J = ρg²Hs²Te/(64π)
Reference formula or conversion factor shown for context.
Hs²Te sensitivity
Sample size or count used in the calculation.
world wave resource
Reference formula or conversion factor shown for context.
capture width ratio
The proportional relationship between two quantities.