| 摘要 |
The invention relates to a fluidic device comprising a channel of rectangular section having a rectangular inlet orifice in one of the walls and a rectangular outlet orifice in the opposite wall; the channel acts as a vent. When fluid enters the channel through the inlet orifice, an unrestrained and irreversible expansion takes place. The expansion is accompanied by variation in local pressure due to the interaction of multiple expansion and compression waves which provide the device with a desired input/output pressure characteristic.
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