船楼に作用する圧力抗力減少に関する研究

概要

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A purpose of this study is to investigate possibility of pressure drag reduction acting onsuperstructure. Vortex generator is placed on the top of superstructure model to reduce pressure drag.If by vortex generator ,longitudinal vortex is introduced into behind of model and the back pressureis increase , pressure acting on the model would decreased. The wind tunnel has a measuring section of0.7m width,0.3m height and length about 2m. In all the experiments Reynolds number based on therepresentative length scale of the model and free stream velocity will be about 30000. From themeasured pressure distribution ,it was shown that the back pressure of superstructure model wasincreased to 17.4%.
2008-12-01