固体流送用ジェットポンプの研究 : 第2報, 直角ベンドジェットポンプの固体流送特性

概要

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A jet pump which has a 90°bend connected directly to a water-jet nozzle along the centerline, is discussed theoretically and experimentally for transporting solid materials. The efficiency of the jet pump is estimated theoretically using the continuity, momentum and energy equations. The theoretically estimated efficiency of the jet pump shows good agreement with the experimental results at a low ratio of flow rates. When the discharge ratio of solid materials to water flow is constant, the efficiency becomes high as the cross-sectional area ratio of the jet nozzle to the transportation pipe becomes large. When the cross-sectional area ratio of the jet nozzle to the transportation pipe is constant, the maximum value of efficiency becomes low as the discharge ratio of solid materials to water becomes small.
社団法人日本機械学会の論文
1990-07-25