Prediction of Thermal Conductivity of a Rock Wool Board by Computer X-Ray Tomography Technique Scanning and Random Generation-Growth Model
Table 3
Single fiber thermal conductivity.
Random seed
1
3
2
1.5
1.25
1
0.0363
0.0519
0.0441
0.0404
0.0384
47
0.0360
0.0513
0.0436
0.0400
0.0381
100
0.0355
0.0500
0.0427
0.0393
0.0375
1000
0.0362
0.0519
0.0440
0.0403
0.0383
10000
0.0361
0.0517
0.0439
0.0402
0.0382
Calculated relative standard deviation (%)
0.8101
1.5195
1.2529
1.0709
0.9529
Average calculated thermal conductivity
0.0360
0.0513
0.0437
0.0400
0.0381
Measurement results
0.0382
0.0382
0.0382
0.0382
0.0382
Relative standard deviation of calculated and measured values (%)
4.1735
20.7536
9.4488
3.2906
0.2410
Note. Except for the standard deviation and relative standard deviation in the table, the rest is the thermal conductivity of rock wool board (the unit is W/(K·m)).