1731 回転曲がりダクトによる遠心羽根車内部流れの損失生成機構の解明 : 入口速度分布による影響(S19-6 流体機械に関連した流動現象とその解析・計測(6)流体機械の性能と内部流れ,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)
詳細
In a centrifugal impeller passage, the behavior of passage vortex is strongly influenced by the centrifugal force caused by the curvature of the impeller passage and the Coriolis force induced by the rotation. The passage vortex generates a major part of the losses. In this study, the passage vortex is analyzed numerically by using the rotating curved duct which is considered to be a simplified model for centrifugal impeller channels. The inlet velocity profile is chosen as the major parameter affecting the generation of passage vortex.
