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平面双层保冷层冷损失量计算

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Selected 保冷, 冷损.
  • 保冷
  • 冷损
  • 保冷
  • 冷损
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 依据:GB/T 8175-2008
平面保冷层冷损失量
名称 单位 公式/来源 值
1 输入
2  管道/设备外表面温度,t ℃ -35
3  环境温度,ta ℃ 20
4  外层保冷层厚度,δ1 m 0.08
5  内层保冷材料热导率,λ1 W/m·K 0.03
6  外层保冷层厚度,δ2 m 0.03
7  外层保冷材料热导率,λ2 W/m·K 0.04
8  保冷结构外表面对周围空气的换热系数,αs W/㎡·K 8.3
9 结果
10  单位冷损失,qp W/㎡ 1 15.5492478
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