vortex device
Technical term for a device that utilizes a vortex flow, likely in fluidics or related engineering fields.
This vortex device is used for fluid control.
Standard kanji spelling for 'vortex device'.
Alternate spelling using kana for the first character; less common.
Compound of 渦流 (かりゅう, 'vortex flow') + 形 (けい, 'type') + 素子 (そし, 'element/device').