Structural Optimization Design of Electromagnetic Boiler Heater based on Multi-Physical Field
In order to obtain the structure of electromagnetic boiler heater with maximum heat exchange efficiency,five parame-ters of heater are selected as the design parameters,these are,heating rod diameter,heating rod uniform distribution diame-ter,heating rod uniform distribution angle,non-metallic shell inner wall diameter and non-metallic shell wall thickness.Based on the multi-physical field coupling calculation,the response surface model and genetic algorithm are used to optimize the design parameters of the heater;and then the structural parameters with the highest efficiency are obtained.The heat trans-fer efficiency of the optimized heater reach to 97.8%,which is 5.8%higher than that of the prototype heater structure.
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