Axial flow fan is important ventilation equipment in coal mining,and the parameters in its design and use have an important influence on the overall performance of the fan.According to the hub ratio parameters of the fan,a model of the fan of a type was modeled and analyzed,and the fluid-structure coupling method was used to obtain the stress effect of the blades under different hub ratios,so as to provide reference for the design and use of the fan blades and improve the overall performance of the fan.
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