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圆筒面单层保冷层冷损失量计算
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,t
a
℃
20
4
保冷层内径,D
o
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,α
s
W/㎡·K
8.3
8
结果
9
保冷层外径,D
1
m
D
1
=D
o
+2×δ
5.46
10
单位冷损失,q
L
W/m
333.7176861
计算表
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