本文采用热线风速仪对袋式除尘器内部空间的三维流场进行测试与分析，结果与袋式除尘器在实际运行中产生的现象吻合。

The flow field distribution in bag filter is measured by stream line to get the status in order to optimize the bag filter and the result was consistent with the phenomenon.

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采用IFA300恒温式热线风速仪对换热器热气通道内的湍流流动进行了测试研究。

IFA300 isothermal HWFA is used to measure and study the turbulent flow in hot air channels of a heat exchanger.

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