wave-making resistance


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wave-making resistance

[¦wāv ¦māk·iŋ ri‚zis·təns]
(fluid mechanics)
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Model test evaluations are based on ITTC-1957 or -1978 methods, in which the William Froude hypothesis is still applied to wave-making resistance. Froudes hypothesis assumes that the coefficient of wave-making resistance is the same for similar hull forms in model scale and full scale at the same Froude number.
The new vessel also features a new bow shape designed to reduce wave-making resistance. For propulsion, an innovative system is adopted that effectively converts the main engine power into propulsion power by positioning fins forward of the propellers and placing special grooves in the propeller boss cap.
According to Mitsubishi, the ADM vessels also will feature a high-efficiency hull and a newly designed bow shape that will reduce wave-making resistance. To further enhance propulsion and reduce CO2 emissions, the ships will feature positioning fins forward of the propellers.