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Mathematical Problems in Engineering
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2019
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Article
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Tab 1
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Research Article
Optimization Method for Twin-Tunnel Complementary Ventilation Design and Its Energy Saving Effect
Table 1
Values of
,
under different gradient at 80km/h.
Gradients (%)
-4
-3
-2
-1
0
1
2
3
4
1.0
1.0
1.0
1.0
1.0
1.0
1.2
1.2
1.2
0.3
0.4
0.55
0.8
1.3
2.6
3.7
4.4
-