runner

Japanese: runner
runner

...A rotating body consisting of multiple blades attached to a hub, which exchanges energy between the fluid and shaft power in a turbo-type fluid machine. In pumps, blowers, and compressors, which give energy to the fluid, it is called an impeller, and in water turbines, which receive energy, it is called a runner. Depending on the direction in which the flow passes through the impeller, it is classified as a centrifugal type, a mixed flow type, or an axial flow type (Figure).

*Some of the terminology that mentions "runner" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…ターボ形流体機械の中で流体と軸動力とのエネルギー授受を行う部分で,ハブに取り付けられた複数の羽根からなる回転体をいう。ポンプ,送風機,圧縮機のように,流体にエネルギーを与えるものではインペラーimpeller,水車のようにエネルギーを受け取るものではランナーrunnerと呼び分けられる。流れがインペラーを通り抜ける方向によって,遠心式,斜流式(混流式),軸流式に分類される(図)。…

※「runner」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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