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(a) Experiment 1. Average wind speed 3 m/s
862547.fig.007b
(b) Experiment 2. Average wind speed 4 m/s
862547.fig.007c
(c) Experiment 3. Average wind speed 5 m/s
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(d) Experiment 4. Average wind speed 6 m/s
Figure 7: Experiment data of winter model (heat pump operation) of heat pump.