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Optimize Axial Fan Design using Inverse Design
Posted Wed August 22, 2018 @09:03AM
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Application A new Advanced Design Technology blog article discusses how an axial fan was designed by the 3D inverse design method.

The designed blade shape was put to CFD (computational fluid dynamics) for performance prediction and the DOE (design of experiments) method was used to analyze the effects of the designing parameters on the functionality of the fan.

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In the inverse design method, loading distribution on the blades is modified to meet the required performance rate in deciding the fan shape. However, this method is not merely about inputting desired designing conditions perfectly to get a desired optimum design. It controls the overall designing direction in loading on the blades, therefore making it easier to predict or control the outcome compared to traditional designing methods. Therefore, the quality and efficiency of the design are improved by influence analysis of the parameters that could have an effect on shaping the fan.

The optimum design of the blade shape was obtained with parameters screened with the DOE method. Finally, we discuss the inverse design, CFD and optimization in the process of the overall design.

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