Research Article
A Solar Heating and Cooling System in a Nearly Zero-Energy Building: A Case Study in China
Table 2
Outdoor climate parameters for system design in Beijing.
| Parameters | Unit | Value |
| Temperature for heating | °C | −7.6 | Temperature for ventilation in winter | °C | −3.6 | Temperature for air conditioning in winter | °C | −9.9 | Relative humidity for air conditioning in winter | % | 44 | Dry-bulb temperature for air conditioning in summer | °C | 33.5 | Wet-bulb temperature for air conditioning in summer | °C | 26.4 | Temperature for ventilation in summer | °C | 29.7 | Relative humidity for ventilation in summer | % | 61 | Average temperature for air conditioning in summer | °C | 29.6 | Average wind speed in summer | m/s | 2.1 | Average wind speed in winter | m/s | 2.6 |
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