Xlsx Shop's logo XlsxShop
Sheets
Search
 
Points
Top Up
Upload
Sign Out
Log In / Sign Up
Social
Name

GB 50264 圆筒型控制热、冷损量的单层绝热层厚度(长度)

Tags
Selected 绝热.
  • 绝热
  • 绝热
Use Up and Down arrows to view available values, Enter to select. Use Left and Right arrows to view selected values, Delete key to deselect.
Preview
Try it out 

 依据:GB 50264-2013
圆筒型控制热、冷损量的单层绝热层厚度
名称 单位 公式/来源 值
1 输入
2  设备/管道外径,D0 m 1.52
3  管道/设备外表面温度,T0 ℃ -20
4  绝热层材料在平均温度下的导热系数,λ W/m·K 0.04
5  绝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  每米管道长度最大允许热/冷损失量,[q] W/m 32
8 结果
9  绝热层对周围空气的热阻,R1 m·K/W 1 0.018880143
10  绝热层厚度,δ m 公式 5.3.3-2 0.275596223
11  绝热层外径,D1 m D1=D0+2δ 2.071192447
计算表
DownloadsDownloads
0
PointsPoints
5
PointsTips
Current Points Balance
Top up Points
The first download costs credits, subsequent downloads are free.
Download .xlsx/.xlsm file