Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SHIMIZU Yukimaru and KUBOTA Takashi and WAKASHIMA Yoshisato and NAKAMURA Shogo,Hydraulic Performance of an S-Draft Tube for a Low-Head Axial Flow Turbine (How to Improve the Performance and Unsteady Secondary Flow in a S-Draft Tube),"JSME international journal. Ser. 2, Fluids engineering, heat transfer, power, combustion, thermophysical properties",0914-8817,The Japan Society of Mechanical Engineers,1988,31,4,668-675,https://cir.nii.ac.jp/crid/1390282680403148928,https://doi.org/10.1299/jsmeb1988.31.4_668