Research on Structure Optimization of Coating Machine Oven Air Nozzle Based on Response Surface Method
In order to improve the drying characteristics of the coating machine oven,this study was carried out on the nozzle structure and its nearby areas to analyze the interaction effect of the nozzle multi-structural parameters on the internal flow field characteristics.With the help of finite element analysis and response surface method,the mathematical regression model of flow field characteristics under the interaction of multi-structural parameters of the nozzle in the oven was established,based on which the optimization of the nozzle structure was carried out,and the optimization results were compared with the simulation values to verify the accuracy of the regression model.The results showed that the regression model of the flow field response value of the nozzle with multiple structural parameters had a good fitting degree.The error between the predicted value and the simulation experimental value of the three groups of response values of the substrate temperature,the substrate surface wind speed,and the substrate pressure were less than 3％,which could describe the change law of the local flow field characteristics of the nozzle well.
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