夏热冬冷地区供暖房间冷风渗透影响因素

葛坚,王登辉,赵康

Influencing factors on infiltration rate of heating rooms in hot summer and cold winter zone

Jian GE,Deng-hui WANG,Kang ZHAO

表 6 不同门窗密闭情况下房间换气次数及相应的外环境参数

Tab.6 Air exchange rate with different airtightness of doors and windows and corresponding environmental parameters

工况 θin/°C θout/°C Δθ/°C $\bar v$/（m·s−1） n/h−1 Ⅰ 30.5 24.4 6.1 0.1 0.000 Ⅱ 28.7 22.5 6.2 1.1 0.497 Ⅲ 30.4 24.9 5.5 0.2 1.272 Ⅳ 30.7 24.4 6.3 0.8 1.805