多重立体曲がり配管内の二次流れ特性

概要

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An experimental and numerical investigation of the characteristics of swirling flow produced by a double or multi right-angle bends has been carried out in order to examine the effect of upstream arrangements of pipes and bends in an electro-magnetic flow meter. Swirling flow profiles were compared in both cases of the multi right-angle bends in one flat plane and the multi righ-angle bend in two perpendicular planes which are typical arrangements in a sodium cooled fast breeder reactor power plant. The swirling flow profiles obtained through numerical analysis agreed with the experimental results for the single and double swirling flow in bends in one flat plane and in bends in two perpendicular planes, respectively. Unsteady or oscillatory flows were also discussed based on the experimental observations and numerical results.
社団法人日本機械学会の論文
1998-03-25