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利用有限元分析方法,结合低松弛预应力钢绞线生产工艺,对其感应加热系统进行建模并分析钢绞线内部温度场的分布;分析了在改变加热电源的频率情况下钢绞线的温度分布及其大小的变化。结果表明:电源频率是感应加热中极其重要的影响参数。
The finite element analysis method was used in combination with the production process of low-relaxation prestressing strand to model its induction heating system and analyze the distribution of temperature field inside the strand. The influence of strand temperature Temperature distribution and its size change. The results show that the power frequency is an extremely important influence parameter in induction heating.