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高层住宅排烟管道尺寸的优化设计

Keywords: 排烟效率,热压,几何尺寸,Fluent模拟

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Abstract:

在主烟道截面面积不变的前提下,改变烟道的几何尺寸,采用数值模拟的方法对主烟道内烟气的温度场和速度场进行研究.对比分析了不同几何尺寸主烟道出口截面的平均速度、平均温度、最高温度.结果表明,烟道的排烟效率随着边界系数的改变而改变.当k增至最大值为1.73时,烟道的排烟效果最好.

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