Date

Water flow

m³/d

The water temperature

˚C

Initial return temperature

˚C

Traditional model calculation

˚C

New model calculation

˚C

1

85.44

66.64

45.12

51.23

47.23

2

85.44

66.49

45.52

53.26

46.89

3

85.92

66.35

45.54

50.12

47.68

4

85.44

66.03

45.37

52.21

47.23

5

86.4

66.06

45.46

52.33

48.13

6

86.4

65.94

45.75

53.11

48.47

7

86.4

66.17

45.86

52.32

47.99

8

86.64

66.29

46.04

52.11

48.24

9

86.4

66.25

45.96

53.08

48.38

10

86.4

66.19

45.89

51.65

48.24

11

86.4

66.15

45.83

51.22

48.13

12

86.64

66.41

45.89

51.35

48.29

average

86.16

66.2475

45.68583

51.99917

47.90833