10.07.2015   Sonar-Collecttors

Monthly and daily performance

3000

2500

2000 :

500

0

Figure 6 shows the daily delivery water temperature (OTL), ambient tem­perature, and tank bounding walls tem­peratures. It is ob­served that there is a fall of water tem­perature having co­incidence with the occurence of water consumption (curve ). This fall

is in the order of 2 Figure 6: Daily performance of the facade for domestic hot water pro­to 6 depending duction. Day March 11th. Barcelona climate. Consumption profile 1

on the water flow

required (at 19 hours, the larger consumption produces the larger drop of temperature). Numerical monthly results obtained for both climatic conditions, are shown in Table 6. represents the mean monthly outlet water temperature from tank (delivery temperature).

Barcelona:

Month QLOADMJ/ni~}

OTL°C

Sol,

ih

Geneve:

QLOADMJ/in-}

OTL°C]

Sol,

ih

1

158.01

26.07

0.38

0.46

72.53

20.14

0.17

0.37

2

145.73

26.15

0.38

0.46

76.38

20.83

0.2

0.38

3

166.73

26.49

0.4

0.47

134.33

24.21

0.32

0.43

4

158.7

26.29

0.39

0.49

129.71

24.16

0.32

0.46

5

161.22

25.93

0.38

0.5

140.07

24.43

0.33

0.49

6

162.73

26.53

0.4

0.53

160.31

26.24

0.39

0.52

7

175.19

26.94

0.41

0.55

183.16

27.57

0.44

0.53

8

189.16

28.25

0.45

0.55

181.99

27.43

0.43

0.52

9

191.02

28.82

0.47

0.53

172.76

27.36

0.43

0.5

10

196.6

28.65

0.47

0.5

141.12

24.79

0.34

0.47

11

175.33

27.63

0.43

0.48

72.2

20.23

0.18

0.39

12

156.18

26.51

0.38

0.45

61.23

19.55

0.15

0.34

Total

2036.59

27.02

0.41

0.5

1525.79

23.91

0.31

0.45

Table 6: Monthly perfomance for both climatic conditions. Consumption profile 1, stratifica­tion considered represented by 5 nodes_________________________________________