拡大流路に置かれた球の振動を利用した流量計の基礎的研究

概要

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A sphere placed in the enlarged conduit vibrates chaostically. A newly-found flowmeter consists of a enlarged conduit, a sphere, side plates set on both sides of the sphere, a stopper plate and a frequency detector. Fundamental studies on the flowrate characteristics were performed by adopting water, salt-water, and glycerin-water as working fluids. It was found that flowrate characteristics, i.e. relationship between frequency of the sphere and the flowrate, were proportional and the flowmeter was good enough to practical USe. It was ascertained, as a result, that the distance between the sphere and the stopper was the most important factor influencing to the flowrate characteristics of the flowmeter. Moreover, flowrate characteristics in the regions of the low and the high distances were independent of density and viscosity variation of the working fluid adopted within the limit of this experiments. The authors expect to apply the flowmeter to the practical engineering fields.
一般社団法人日本機械学会の論文
1999-07-25