Simulation Analysis and Scheme Optimization of Energy Consumption in Public Buildings
Table 5
Sensitivity of the external wall heat transfer coefficient to the total building energy consumption.
Scheme number
Comprehensive heat transfer coefficient of the exterior wall (W/(m2·K))
Total building energy consumption (MWh)
Energy saving of total energy consumption (MWh)
Energy-saving ratio (%)
Sensitivity coefficient
WA1
0.80
3582.33
−22.72
−0.638
0.0106
WA2
0.70
3574.51
−14.89
−0.418
0.0105
WA3
0.60
3566.66
−7.05
−0.198
0.0099
Base
0.50
3559.62
0
0
—
WA5
0.40
3551.49
8.13
0.228
0.0114
WA5
0.30
3542.89
16.73
0.470
0.0118
WA6
0.20
3533.97
25.65
0.721
0.0120
Note. The base represents the benchmark scheme. Sensitivity analysis scheme for energy saving of the external wall comprehensive heat transfer coefficient expressed by WA1-6.
