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Cross-flow fan impeller for a transversley excited, pulsed, gas discharge laser
Cross-flow fan impeller for a transversley excited, pulsed, gas discharge laser
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机译:横流风机叶轮,用于横式激发,脉冲气体放电激光器
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摘要
A cross-flow fan impeller for circulating gas in a transversely excited, pulsed, gas discharge laser is disclosed and may comprise a plurality of hubs, the hubs spaced apart along the impeller's rotation axis and establishing at least two impeller segments wherein a first segment has an output flow within 80-120% of a second segment and the first and second segment having differing blade pass frequencies. In some embodiments of this aspect, the first segment may have n number of blades the second segment m number of blades, and m≠n. In one embodiment, the impeller may be configured with n=29 and m=23 and in another embodiment, the impeller may be configured with n=23 and m=19. The impeller may be configured wherein n and m are prime numbers.
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