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Journal of Engineering
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2023
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Article
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Tab 3
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Research Article
Studying the Synergetic Effect of Point-Extraction and Longitudinal Ventilation on the Maximum Smoke Temperature and Back-Layering Length in Tunnel Fires
Table 3
Coefficients for determining developed model for predicting the maximum temperature.
Source
DF
Adj SS
Adj MS
F
value
value
Model
13
109565
8428.1
30.68
0.002
Linear
4
39935
9983.7
36.34
0.002
Height
1
22120
22119.8
80.51
0.001
Distance
1
158
157.8
0.57
0.491
L.V.
1
11777
11776.6
42.87
0.003
E.V.
1
1
0.7
0
0.963
Square
3
1755
585
2.13
0.239
Distance × distance
1
1071
1070.6
3.9
0.12
H.V. × H.V.
1
486
485.5
1.77
0.254
E.V. × E.V.
1
140
139.5
0.51
0.515
2-way interaction
6
23423
3903.9
14.21
0.011
Height × distance
1
800
800.3
2.91
0.163
Height × L.V.
1
18114
18113.8
65.93
0.001
Height × E.V.
1
191
191.2
0.7
0.451
Distance × L.V.
1
5071
5071.4
18.46
0.013
Distance × E.V.
1
2209
2209
8.04
0.047
L.V. × E.V.
1
119
118.7
0.43
0.547
Error
4
1099
274.7
Total
17
110664