固体流送用ジェットポンプの研究 : 第3報,45°ベンドジェットポンプの水流送特性と固体流送特性

概要

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The transportation characteristics of a 45°-bend jet pump, which has a 45° bend connected directly to a water jet nozzle from outside of the bend, are discussed theoretically and experimentally. The transportation characteristics, which are predicted theoretically using the continuity, momentum and energy equations, agree well with the experimental results in the case of transporting water and solid spheres. When cavitation bubbles occur in the jet nozzle, the transportation characteristics, which are predicted theoretically considering a holdup of gas-liquid mixed fluid, agree well with the experimental results. The efficiency of the jet pump becomes higher as both the area ratio of the jet nozzle to the transporting pipe and the discharge ratio of solid spheres to water flow become larger.
社団法人日本機械学会の論文
1993-10-25