| 摘要 |
A diffuser (210) is provided that includes a first wall (228), a second wall (230), and a first plasma actuator (258, 302). The first wall (228) has a radially-extending section (232) and a curved section (234). The second wall (230) has a radially-extending section (236) and a curved section (238) that are spaced apart from the radially-extending section (232) and the curved section (234) of the first wall (228) such that the curved section (238) of the second wall (230) is disposed radially inwardly from the curved section (234) of the first wall (228) and a flow path (240) is defined therebetween. The first plasma actuator (258, 302) is disposed on the curved section (238) of the second wall (230), and the first plasma actuator (258, 302) is adapted to generate a first electric field to ionize a first portion of air flowing along the flow path (240) to form a plurality of ionized species capable of inducing a second portion of air to flow in a desired direction.
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