0 引言
Fig. 1 Trombe wall with thermal/photo-thermal composite catalytic blinds图1 热/光热复合催化百叶Trombe墙系统 |
1 系统模型
Fig. 2 Heat and mass transfer model of the blinds Trombe wall system图2 百叶Trombe墙系统传热传质模型 |
2 百叶Trombe系统性能分析
2.1 实验和模型验证
Fig. 3 Experimental test setup of the blinds Trombe wall system图3 热/光热复合催化百叶Trombe墙系统实验测试装置 |
Fig. 4 The relationship between outlet air temperature and thermal efficiency (a), and the relationship between formaldehyde single-through conversion and CADR (b) of Trombe wall with thermal catalytic blinds; the relationship between outlet air temperature and formaldehyde single-through conversion (c), and the relationship between formaldehyde single-through conversion and CADR (d) of Trombe wall with photo-thermal composite catalytic blinds[20]图4 热催化百叶Trombe墙系统出口空气温度和热效率之间的关系(a)、甲醛单次通过率和CADR之间的关系(b);光热复合催化百叶Trombe墙系统出口空气温度和甲醛单次通过率之间的关系(c)、甲醛单次通过率和CADR之间的关系(d)[20] |
2.2 不同百叶角度下的性能
Fig. 5 Heat production per hour of Trombe wall with thermal catalytic blinds system on the winter solstice in Nanjing (a) and Beijing (b) under different blind corners图5 不同百叶转角下,热催化百叶Trombe墙系统在南京(a)和北京(b)冬至日每小时的产热量 |
Fig. 6 Heat production per hour of Trombe wall with photo-thermal composite catalytic blinds system on the winter solstice in Nanjing (a) and Beijing (b) under different blind corners图6 不同百叶转角下,光热复合催化百叶Trombe墙系统在南京(a)和北京(b)冬至日每小时的产热量 |
Fig. 7 The amount of clean air produced by Trombe wall with thermal catalytic blinds system on the winter solstice in Nanjing (a) and Beijing (b) under different blind corners图7 不同百叶转角下,热催化百叶Trombe墙系统在南京(a)和北京(b)冬至日每小时的产生的干净空气量 |
Fig. 8 The amount of clean air produced by Trombe wall with photo-thermal composite catalytic blinds system on the winter solstice in Nanjing (a) and Beijing (b) under different blind corners图8 不同百叶转角下,光热复合催化百叶Trombe墙系统在南京(a)和北京(b)冬至日每小时的产生的干净空气量 |
2.3 百叶翻转角度的最佳调控策略
Table 1 Best louver control strategy for louver flipping corner of blind Trombe wall system in Nanjing and Beijing表1 百叶Trombe墙系统在南京和北京的百叶翻转转角的最佳百叶调控策略 |
系统 | 时刻/时 | 百叶角度/(°) | |
---|---|---|---|
南京 | 北京 | ||
热催化百叶Trombe墙系统 | 9-10 | 60 | 60 |
10-11 | 60 | 45 | |
11-12 | 45 | 60 | |
12-13 | 45 | 60 | |
13-14 | 45 | 60 | |
14-15 | 60 | 60 | |
15-16 | 45 | 45 | |
16-17 | 30 | 0 | |
光热复合催化百叶Trombe墙系统 | 9-10 | 45 | 75 |
10-11 | 30 | 45 | |
11-12 | 45 | 60 | |
12-13 | 45 | 60 | |
13-14 | 45 | 60 | |
14-15 | 60 | 60 | |
15-16 | 45 | 45 | |
16-17 | 15 | 0 |