Question
Calculate the coefficients of frictional resistance coefficient (CF), wave resistance coefficient (CW) and total resistance coefficient (CT) of a full-scale ship using the ITTC-1978 resistance
Calculate the coefficients of frictional resistance coefficient (CF), wave resistance coefficient (CW) and total resistance coefficient (CT) of a full-scale ship using the ITTC-1978 resistance prediction method. Use the following ship data and model test results: LWLs = 154.6 m, wetted surface area Ss = 5670 m2, model scale = 26, form factor (1+k) = 1.280, surface roughness ks = 150*10-6 m, measured total resistance of model RTm = 75.9 N at model scale velocity Vm = 2.018 m/s. (m= 1000 kg/m3, s= 1025 kg/m3, m= 1.0233x10-6 m2/s, s= 1.1873x10-6 m2/s). RAA can be ignored.
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