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首页> 外文会议>International compressor engineering conference at Purdue >The Effect of Volute Tongue and Passage Configuration On The Performance of Centrifugal Fan
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The Effect of Volute Tongue and Passage Configuration On The Performance of Centrifugal Fan

机译：蜗壳舌和通道结构对离心风机性能的影响

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The performance and flow stability of centrifugal fans is influenced considerably by the design of the volutepassage and tongue at the re-circulation port. In this study the performance of a fan in conjunction with fouralternative volute designs has been investigated. The alternative volutes include a modified passage design and theapplication of a rounded tongue leading edge at the re-circulation port. The effect of these volute configurationson the fan and volute performance was examined by the precise measurement of flow at volute inlet and near thevolute tongue. From the test results it was found that the modified volute designs led to an improvement in fanperformance, however the onset of flow instability occurred at increased flow rates.
机译：蜗壳的设计极大地影响了离心风机的性能和流量稳定性 再循环口处的通道和舌头。在本研究中，风扇的性能与四个 已经研究了替代蜗壳设计。可选的蜗壳包括改进的通道设计和 在再循环端口上使用圆形的舌形前缘。这些蜗壳配置的效果 通过精确测量蜗壳入口和附近的流量来检查风扇和蜗壳的性能。 蜗壳的舌头。从测试结果发现，改进的蜗壳设计导致风扇的改进 性能，但是流量不稳定的发生发生在流量增加的情况下。

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