Experimental Investigation on the Resistance Component Due to Free Surface Shock Waves on Series Ship Models

Abstract

The resistance component due to free surface shock waves is experimentally examined with a great number of series ship models. Resistance tests, wave analyses, momentum loss measurements and observation of wave patterns by photograph are undertaken for beam-length series ships, draft series ships, entrance angle series ships and bulbous bow series ships. The effects of these hull parameters on the resistance component due to free surface shock waves are clarified and visualized in various forms. Based on the analysed experimental results some guidelines for hull form design are presented. The resistance component due to free surface shock waves is approximately discriminated and its dependence on hull particulars is discussed, together with the implication of shock angle.