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圆筒面单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
圆筒面保冷层冷损失量
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  保冷层内径,Do m 5.3
5  保冷层厚度,δ m 0.08
6  保冷材料热导率,λ W/m·K 0.03
7  保冷结构外表面对周围空气的换热系数,αs W/㎡·K 8.3
8 结果
9  保冷层外径,D1 m D1=Do+2×δ 5.46
10  单位冷损失,qL W/m 1 333.7176861
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