In thls research , the flow field measurement aruund ship hull at incidence was made by using five hole Pitot Tube whicb was operated by autamatic flow measuring system . At first , the paper describes the developed system for flow measurements in circulating water channel , The sys 仁 em js consist of two parts : the sensor controlling system , akind of a robot manupu [ ator , and the data acquisitlon system , The system enables measuring of flow velocity vector arourld ship mode [

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... using several microcomputers which are coIninucated through RS232C channe1 . The results of f匡 ow fie正 d measurment around sh 正 p hull at incidence are showrl , at wh 〔 〕 le of the back side region from fore to aft peak , The vortex separeted at fore part travels with the outer potntial flow ・ Therefore , the pa し h line of the w 〕rtex is different from that of full ship as a tanker model ,