... 风机蜗壳 volute of blower 风机效率 efficiency of fan 风机性能试验 fan performance test ...
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本文对引风机效率低的原因进行分析，分析比较两种改造的节能效果。
This article analyses reasons of low efficiency of the original ID fan, and gives comparisons between two areas in costs as well as in energy saving.
建立了轴流风机损失模型进行参数优化，根据轴流风机效率模型来判定设计参数的合理性。
The loss model and the efficiency model of the axial-flow fan were established to optimize parameters and to estimate design rationality.
为了提高风机效率、延长风机寿命，所以掌握风机内部气、固两相流动规律是十分必要的。
In order to improve the efficiency and prolong the life of the fan, it is necessary to command the gas and solid two phase flow pattern master in the fan.
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