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平面保温层表面散热损失计算

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Selected 保温, 散热.
  • 保温
  • 散热
  • 保温
  • 散热
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 依据:GB/T 8175-2008
平面保温层散热损失
名称 单位 公式/来源 值
1 输入
技术参数  保温材料热导率,λ W/(m·K) 0.06
 保温层厚度,δ m 0.01
 表面温度,t ℃ 60
 环境温度,ta ℃ 20
 保温层外表面与大气的换热系数,α W/(㎡·K) 11.63
7 过程
8  表面温度,T K T=273.15+t 333.15
9  环境温度,Ta K Ta=273.15+ta 293.15
10  保温层热阻,Ri ㎡·K/W Ri=δ/λ 0.166666667
11  保温层表面热阻,Rs ㎡·K/W Rs=1/α 0.085984523
12 结果
13  单位表面散热损失,q W/㎡ 1 158.3210437

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