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GB 50264 圆筒型表面温度法计算的绝热层厚度

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Selected 绝热.
  • 绝热
  • 绝热
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 依据:GB 50264-2013
圆筒型表面温度法计算的绝热层厚度
名称 单位 公式/来源 值
1 输入
2  管道/设备外径,D0 m 1.52
3  管道/设备外表面温度,T0 ℃ 245
4  隔热层材料在使用温度下的热导率,λ W/m·K 0.04
5  隔热层外表面与周围空气的换热系数,αs W/m²·K 8.14
6  环境温度,Ta ℃ 20
7  隔热层外表面温度,Ts ℃ 60
8 结果
9  隔热层厚度,δ m 公式 5.3.11 0.022400354
10  隔热层外径,D1 m D1=D0+2δ 1.564800708
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