An offshore wave energy device with a frontal width of 5 metres, an overall efficiency of 38% and a rated capacity of 35

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An offshore wave energy device with a frontal width of 5 metres,an overall efficiency of 38% and a rated capacity of 350kWe hasbeen operating for 6 hours in seas which are described by an Hs of4 metres and Te of 9.5 seconds. Determine the electrical energygenerated over the period and the load factor.

An Offshore Wave Energy Device With A Frontal Width Of 5 Metres An Overall Efficiency Of 38 And A Rated Capacity Of 35 1 (60.7 KiB) Viewed 33 times

FURTHER DATA / INFORMATION REQUIRED • Density of fresh water pw = 1000kgm-³ Density of sea water psw=1025kgm-³ Density of air pa = 1.29 kgm-³ • For a deep water wave,= • For an irregular wave spectrum of sea states, the Power per unit of crest length is given by: gr 2π P' (Wm-¹) = Pg² H²T. +1 2 32π or approximately P' (kW/m) = 0.5 H² T Gravitational constant g = 9.81ms-² The specific heat capacity of water, c = 4.2kJ/kg°C The energy, Q (J) required to heat a substance of mass, m (kg) and specific heat capacity, c (J/kg°C) by a temperature At is given by 'Q = mc^t'