Wave Profile Measurements Along Some Mathematical Models by the Benzoic Acid Film Method
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概要
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The wave profile measurements are made with two wall-sided, deep-drafted mathematical models (S-103, S-203) by applying the chemical film method, where the Benzoic Acid is effectively used for the first time, and found as pre-eminently suited to contrasting the flow phenomena on ship models such as wave profiles, initial still water lines, stream lines, and laminar flow area.<BR>Comparisons are also made between the calculated and the observed wave profiles.<BR>Coincidence is good along the models, but is unsatisfactory in the rear.<BR>The principal cause might be safely ascribed to the fact that the wake intesity is always extinguishedly strong just on the narrow band in the vertical symmetrical plane (y=0).<BR>Conclusions are then drawn that the present field of the mentioned comparisons between the theory and the observation must be extended from one dimension (on the line y=0, exclusively) to two dimensions, to which the photographic measurements by stereograph might be expected as essential.
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