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Professional Report
1 / V5.7.12.15251 / 13.12.2011 / 13:57:48
Vela Solaris AG, their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results.
Proyecto 8bd: Agua caliente. 200 litros y 2 T8 S
Location of the system
Budaörs
Longitude: 18.967°
Latitude: 47.45°
Elevation: 142 m
This report has been created by:
Gustavo Martín Sicardo
P.I. La Isla
C/Río Viejo 39 41703 Dos Hermanas (Sevilla)
Map section
System overview (annual values)
Total fuel and/or electrical energy consumption of the system [Etot]
2,128.2 kWh
Total energy consumption [Quse] 2,056 kWh
System performance (Quse / Etot) 0.97
Comfort demand Energy demand covered
Professional Report
2 / V5.7.12.15251 / 13.12.2011 / 13:57:48
Vela Solaris AG, their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results.
Overview solar thermal energy (annual values)
Collector area 4.1 m²
Solar fraction total 63.3%
Total annual field yield 1,910.6 kWh
Collector field yield relating to gross area 461.5 kWh/m²/Year
Collector field yield relating to aperture area 505.5 kWh/m²/Year
Max. fuel savings 202.2 m³(Gas): [Natural gas H]
Max. energy savings 2,122.9 kWh
Max. reduction in CO2 emissions 491.6 kg
Solar fraction: fraction of solar energy to system [SFn]
Horizon line
Meteorological data-Overview
Average outdoor temperature 10.9 °C
Global irradiation, annual sum 1,206.9 kWh/m²
Diffuse irradiation, annual sum 595 kWh/m²
Professional Report
3 / V5.7.12.15251 / 13.12.2011 / 13:57:48
Vela Solaris AG, their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results.
Collector Termicol T8S
Data Source
Number of collectors 2
Number of arrays 1
Total area m² 4.14
Total aperture area m² 3.78
Total absorber area m² 3.84
Tilt angle (hor.=0°, vert.=90°) ° 40
Orientation (E=+90°, S=0°, W=-90°) ° 0
Collector field yield [Qsol] kWh 1,910.6
Irradiation onto collector area [Esol] kWh 5,229.3
Collector efficiency [Qsol / Esol] % 36.5
Direct irradiation after IAM kWh 2,753.7
Diffuse irradiation after IAM kWh 2,188.1
Hot water demand Constant
Volume withdrawal/daily consumption l/d 150
Temperature setting °C 45
Energy demand [Qdem] kWh 2,172.1
Pump Solar loop pump Wilo-Star-ST 25/6
Circuit pressure drop bar 0.012
Flow rate l/h 151.2
Fuel and electrical energy consumption [Epar] kWh 58
Storage tank 3 200l potable water universal tank
Volume l 200
Height m 1.2
Material Stainless steel
Insulation Rigid PU foam
Thickness of insulation mm 80
Heat loss kWh 246.7
Connection losses kWh 137.7
Loop
Solar loop
Fluid mixture Propilenglicol
Fluid concentration % 33.3
Fluid domains volume l 18.1
Pressure on top of the circuit bar 4
Component overview (annual values)
Professional Report
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Vela Solaris AG, their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results.
Solar thermal energy to the system [Qsol] kWh
Heat generator energy to the system (solar thermal energy not included) [Qaux] kWh
Solar fraction: fraction of solar energy to system [SFn] %
Professional Report
5 / V5.7.12.15251 / 13.12.2011 / 13:57:48
Vela Solaris AG, their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results.
Total fuel and/or electrical energy consumption of the system [Etot] kWh
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Solar thermal energy to the system [Qsol]
kWh 1911 69 97 152 199 223 223 235 220 190 173 80 49
Heat generator energy to the system (solar thermal energy not included) [Qaux]
kWh 1108 178 138 117 71 51 32 28 33 51 73 149 186
Heat generator fuel and electrical energy consumption [Eaux]
kWh 2070 302 244 215 145 114 76 66 79 105 148 262 314
Solar fraction: fraction of solar energy to system [SFn]
% 63.3 28 41.3 56.6 73.6 81.3 87.3 89.4 87 78.9 70.2 35 21
Total fuel and/or electrical energy consumption of the system [Etot]
kWh 2128 304 247 220 151 120 82 73 85 111 154 265 316
Irradiation onto collector area [Esol]
kWh 5229 205 269 431 523 603 604 659 619 524 423 219 153
Electrical energy consumption of pumps [Epar]
kWh 58 2 3 4 6 6 7 7 6 5 5 3 2
Heat loss to indoor room (including heat generator losses) [Qint]
kWh 1755 172 152 157 141 138 121 123 129 131 147 167 177
Heat loss to surroundings (without collector losses) [Qext]
kWh 227 10 14 19 24 24 24 25 23 22 21 11 8
Total energy consumption [Quse]
kWh 2056 192 178 196 184 180 162 158 153 148 160 165 182
Professional Report
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Vela Solaris AG, their distribution partners or SPF do not accept any liability for the correctness of the specifications and the results.
CollectorDaily maximum temperature [ °C]
Energy flow diagram
