工業粘度計に関する研究(第5報)

概要

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In this report the author described the application of the experimental and theoretical results which had been reported on the 1 st〜4 th reports and in addition the experimental results of two newly-designed technical absolute viscometers. The one is a viscometer whose jets are non-rounded uniform short tubes and its measuring error is less than 3〜4% for all range, therefore its accuracy is higher than the Redwood viscometer obtained in our markets. The other one is a viscometer whose jets are the short tubes with divergent exits, and the kinematic viscosity can be given by multiplying the jet factor x by time of efflux T sec. (effluxed volume is 25 cc) and its measuring error is less than 2% at the measuring ranges of these jets. As this viscometer is wieldy and strong in construction and high accuracy, it is very suitable for any practical use.
一般社団法人日本機械学会の論文