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电加热型烟草制品加热体的电热模拟

Electro-thermal simulation of heating element for electrically heated tobacco products

  • 摘要: 为提高电加热型烟草制品加热体研发效率,使用仿真软件建立了片状电加热体电热仿真模型,以两种加热体在不同电压下的温度分布为对象,验证模拟计算结果与实测结果的一致性。结果表明:①模拟结果与实验结果整体趋势吻合,二者轴向和径向线温度分布趋势一致性较好;②模拟结果与实验结果均表明整个加热体上的温度差异很大,轴向温度差异在正常工况下可达250℃,径向温差约为50℃。说明电热仿真适用于电加热型烟草制品(eHTP)加热体温度分布研究,其结果可为加热体设计研发提供参考。

     

    Abstract: In order to develop the heating elements for electrically heated tobacco products (eHTPs) efficiently, an electro-thermal simulation model for heating blade was established by using simulation software. The temperature distribution in two kinds of heating blades under different voltages was taken as the objects to verify the consistency between the simulation values and the experimental values. The results showed that:1) The simulation values agreed with the experimental values generally, and the trends of their axial and radial temperature distribution showed good consistency. 2) Both the simulation result and the experimental result indicated that the temperatures differed significantly in the blades, the axial temperature difference reached 250℃ and the radial temperature difference was about 50℃ under normal working conditions. It suggests that the electro-thermal simulation is suitable for studying the temperature distribution in the heating elements for eHTPs, and the study results provides a reference for the design and development of the heating elements.

     

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