Uneingeschränkter Zugang

Utilization of Multiple Short Heat Consumption Measurement Method for Diagnostics of Heat Source of Existing Building: Part 2: Practical use of the Method


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The values of the coefficient HTVj for a 20 day group

Day t ¯ e ϕu ϕZ,tr t ¯ e * * HTVj
°C kW kW °C W/K
13.02.2012 −10.6 59.84 5.66 −6.63 2.35
24.02.2012 5.24 27.67 3.37 5.167 2.39
17.02.2012 −0.5 36.40 5.49 0.95 2.41
14.02.2012 −5.0 45.57 7.20 −3.16 2.44
9.02.2012 −10.4 56.31 3.88 −6.15 2.44
23.02.2012 4.58 29.79 3.41 4.71 2.45
8.02.2016 −10.9 55.57 7.22 −6.28 2.53
15.02.2012 −2.2 42.74 6.35 −0.69 2.54
10.02.2016 −12.3 57.69 13.42 −7.02 2.58
12.03.2012 3.8 28.34 3.22 6.15 2.60
7.02.2012 −10.6 59.84 5.48 −6.63 2.58
22.02.2012 3.43 32.61 5.84 3.83 2.62
27.032012 −2.2 40.28 10.12 −0.51 2.63
6.02.2012 −13.98 63.59 7.42 −7.78 2.69
16.02.2012 −2.9 42.46 7.66 −0.25 2.64
11.02.2012 −12.9 60.30 10.20 −7.38 2.72
15.03.2012 4.9 26.34 9.70 6.29 2.93
20.02.2012 0.7 34.88 8.95 3.90 2.95
21.02.2012 2.06 38.08 15.39 2.77 3.28
26.02.2012 4.83 38.47 10.29 4.97 3.66

The values of the average daily gains of heat from internal sources ϕZj for 20-day group

Day t ¯ e ϕu ϕZ,tr t ¯ e ** ϕZj
°C kW kW °C kW
13.02.2012 −10.6 59.84 5.66 −6.63 14.9
24.02.2012 5.24 27.67 3.37 5.167 10.3
17.02.2012 −0.5 36.40 5.49 0.95 11.2
14.02.2012 −5.0 45.57 7.20 −3.16 11.5
9.02.2012 −10.4 56.31 3.88 −6.15 11.4
23.02.2012 4.58 29.79 3.41 4.71 9.5
8.02.2016 −10.9 55.57 7.22 −6.28 9.1
15.02.2012 −2.2 42.74 6.35 −0.69 8.5
10.02.2016 −12.3 57.69 13.42 −7.02 8.5
12.03.2012 3.8 28.34 3.22 6.15 7.2
7.02.2012 −10.6 59.84 5.48 −6.63 7.7
22.02.2012 3.43 32.61 5.84 3.83 6.9
27.032012 −2.2 40.28 10.12 −0.51 6.6
6.02.2012 −13.98 63.59 7.42 −7.78 5.2
16.02.2012 −2.9 42.46 7.66 −0.25 6.3
11.02.2012 −12.9 60.30 10.20 −7.38 4.6
15.03.2012 4.9 26.34 9.70 6.29 2.6
20.02.2012 0.7 34.88 8.95 3.90 1.5
21.02.2012 2.06 38.08 15.39 2.77 −4.5
26.02.2012 4.83 38.47 10.29 4.97 −5.9

The average daily value of the 10-day group with corrected ηtrt

Day day number t ¯ e ϕu ϕZ,tr ηehg ηtrt t ¯ e **
°C kW kW °C
8.02.2016 1 −10.9 55.57 7.22 0.99 0.96 −6.28
15.02.2012 2 −2.2 42.74 6.35 0.975 0.94 −0.69
10.02.2016 3 −12.3 57.69 13.42 0.99 0.96 −7.02
12.03.2012 4 3.8 28.34 3.22 0.98 0.93 6.15
7.02.2012 5 −10.6 59.84 5.48 0.99 0.96 −6.63
22.02.2012 6 3.43 32.61 5.84 0.97 0.93 3.83
27.032012 7 −2.2 40.28 10.12 0.975 0.94 −0.51
6.02.2012 8 −13.98 63.59 7.42 0.99 0.96 −7.78
16.02.2012 9 −2.9 42.46 7.66 0.97 0.94 −0.25
11.02.2012 10 −12.9 60.30 10.20 0.99 0.96 −7.38

Values of the coefficients H T • r z ( t ¯ e m ) used to verify the method

Month t ¯ e m t ¯ n m H rz T Un An t i t ¯ n m t i t ¯ e m U n A n H T r z ( t ¯ e m )
°C °C kW/K kW/K kW/K kW/K
Monthly average for February, 2012 −5.0 7.5 2.26 0.57 0.29 1.94
Monthly average for January, 2013 −0.99 7.9 2.26 0.57 0.33 1.98
Monthly average for February, 2013 1.38 8.0 2.26 0.57 0.37 2.02

The average daily values of the used measurements for the group of 20 days accepted for analysis

Day t ¯ e ϕu ϕZ,tr ηehg ηtrt t ¯ e * *
°C kW kW °C
13.02.2012 −10.6 59.84 5.66 0.99 0.94 −6.63
24.02.2012 5.24 27.67 3.37 0.97 0.91 5.167
17.02.2012 −0.5 36.40 5.49 0.98 0.92 0.95
14.02.2012 −5.0 45.57 7.20 0.98 0.93 −3.16
9.02.2012 −10.4 56.31 3.88 0.99 0.93 −6.15
23.02.2012 4.58 29.79 3.41 0.97 0.91 4.71
8.02.2016 −10.9 55.57 7.22 0.99 0.94 −6.28
15.02.2012 −2.2 42.74 6.35 0.975 0.92 −0.69
10.02.2016 −12.3 57.69 13.42 0.99 0.95 −7.02
12.03.2012 3.8 28.34 3.22 0.98 0.91 6.15
7.02.2012 −10.6 59.84 5.48 0.99 0.94 −6.63
22.02.2012 3.43 32.61 5.84 0.97 0.95 3.83
27.032012 −2.2 40.28 10.12 0.975 0.92 −0.51
6.02.2012 −13.98 63.59 7.42 0.99 0.95 −7.78
16.02.2012 −2.9 42.46 7.66 0.97 0.92 −0.25
11.02.2012 −12.9 60.30 10.20 0.99 0.95 −7.38
15.03.2012 4.9 26.34 9.70 0.95 0.91 6.29
20.02.2012 0.7 34.88 8.95 0.97 0.91 3.90
21.02.2012 2.06 38.08 15.39 0.96 0.91 2.77
26.02.2012 4.83 38.47 10.29 0.97 0.91 4.97

Average daily values of measurements for a group of 10 days

Day day number t ¯ e ϕu ϕZ,tr ηehg ηtrt t ¯ e **
°C kW kW °C
8.02.2016 1 −10.9 55.57 7.22 0.99 0.94 −6.28
15.02.2012 2 −2.2 42.74 6.35 0.975 0.92 −0.69
10.02.2016 3 −12.3 57.69 13.42 0.99 0.95 −7.02
12.03.2012 4 3.8 28.34 3.22 0.98 0.91 6.15
7.02.2012 5 −10.6 59.84 5.48 0.99 0.94 −6.63
22.02.2012 6 3.43 32.61 5.84 0.97 0.91 3.83
27.032012 7 −2.2 40.28 10.12 0.975 0.92 −0.51
6.02.2012 8 −13.98 63.59 7.42 0.99 0.95 −7.78
16.02.2012 9 −2.9 42.46 7.66 0.97 0.92 −0.25
11.02.2012 10 −12.9 60.30 10.20 0.99 0.95 −7.38

Selected midday values included in the method verification

Month t ¯ e m ϕ u m H V rz ϕ V m Hb ϕ Z m ϕ Z,tr m ηehg ηtrt
°C kW/K kW/K kW/K kW/K2 kW kW
Monthly average for February, 2012 −5.0 46.94 0.32 8.0 −0.00152 7.0 7.71 0.99 0.94
Monthly average for January, 2013 −0.99 39.80 0.32 6.7 −0.00152 7.0 3.21 0.99 0.93
Monthly average for February, 2013 1.38 36.23 0.32 6.0 −0.00152 7.0 4.43 0.98 0.93
eISSN:
1899-0142
Sprache:
Englisch
Zeitrahmen der Veröffentlichung:
4 Hefte pro Jahr
Fachgebiete der Zeitschrift:
Architektur und Design, Architektur, Architekten, Gebäude