Analysis of surge added mass of planing hulls by model experiment

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Analysis of surge added mass of planing hulls by model experiment

Zeraatgar, Hamid / Moghaddas, Aliasghar / Sadati, Kazem

The added mass is referred to as an extra mass of fluid accelerates with the body caused by body acceleration in the fluid. Surge added mass of ships is relatively low in comparison with their mass which does not have considerable influence on ship manoeuvrability. That is why less research have focused on the surge added mass. This research deals with the surge added mass of planing hulls by model experiment as well as approximates by quasi-analytical method. A benchmark test has been conducted for the surge added mass measurement of Series60 hull form. On that basis, test procedure and set-up have been concluded and verified for planing hulls. The results of model testing and approximate analytical method are compared. This study shows that the surge added mass coefficient of a planing craft may reach up to 10% of the craft mass.