Determine the characteristics of angular frequency, wavelength, phase velocity and power per unit of crest for a deep-wa
Posted: Tue Jul 12, 2022 1:33 pm
Determine the characteristics of angular frequency, wavelength,phase velocity and power per unit of crest for a deep-water wave ofperiod 11.5 seconds and amplitude 1.7 metres.
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'
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'