IEA Solar Heating and Cooling Programm - NachhaltigWirtschaften.at

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IEA SHC Task 38 Monitoring Procedure El _ treat _ water E20 = ∆HAHU _ cool + Q7 ⎡ kWhel ⎤ ⎢ ⎥ ⎣kWhcold ⎦ Eq. 53 Several specific defined COP’s evaluating the thermal and the electric performance of the subsystems sorption chiller and DEC unit are calculated. The thermal and electrical COP of the chiller itself is evaluated according to: COP _ el _ chill Q7 = E11 ⎡ kWh ⎢ ⎣kWh th elec ⎤ ⎥ ⎦ Eq. 54 Q7 COP _ th _ chill = Q6a Eq. 55 Then the cold production is rated to the sum of all the electricity consumptions relevant with the heat driven chiller (HDC) (Eq. 56), i.e. pump hot-storage to cooling machine, pump cooling machine (ACM) to cooling tower, pump cooling machine (ACM) to cold-storage, absorption/adsorption cooling machine (ACM) and cooling tower: COP _ el _ cold _ chill = Q7 E6 + E7 + E8 + E11+ E14 ⎡ kWh ⎢ ⎣kWh th elec ⎤ ⎥ ⎦ Eq. 56 One more COP includes also the electricity to run the solar pumps according to: COP _ el _ cold _ chill _ Sol = Q7 E1 + E2 + E6 + E7 + E8 + E11+ E14 ⎡ kWh ⎢ ⎣kWh th elec ⎤ ⎥ ⎦ Eq. 57 For DEC systems following COP-values are interesting during cooling operation months: 25 99% draft Version
IEA SHC Task 38 Monitoring Procedure COP _ el _ cold _ DEC = ( E16 + E17) ⋅(1 − ∆H f ( ∆P AHU _ cool REF ; ∆P DEC ) + E18 + E19 ⎡ kWh ⎢ ⎣kWh th elec ⎤ ⎥ ⎦ Eq. 58 Where: ∆ H is the Cooling Energy from AHU, without auxiliary (conventional) - AHU _ cool contribution REF DEC - ( E16 + E17) ⋅(1 − f ( ∆P ; ∆P ) is the Electricity Consumption for fans (only the additional part for DEC relevant components, like: exhaust air humidifier, sorption wheel, exhaust air regeneration heat exchanger,…) - E 18 + E19 is the electricity consumption for motors of desiccant wheel and other additional DEC-components To take in consideration also additional PE-consumption for solar components, further is defined: COP _ el _ cold _ DEC _ Sol = ∆H AHU _ = REF ( E16 + E17) ⋅(1 − f ( ∆P ; ∆P cool DEC ) + E18 + E19 + E1+ E2 ⎡ kWh ⎢ ⎣kWh th elec ⎤ ⎥ ⎦ Eq. 59 With: - E1 is the electricity consumption of the pump in the primary loop of the collector field. - E2 is the electricity consumption of the pump in the secondary loop of the collector field. Finally the thermal COP of the DEC-AHU has to be calculated: COP _ th _ DEC = ∆H AHU _ DEC Q6a Eq. 60 Where Q6a is the regeneration heat for the sorption wheel coming from the solar tank. 26 99% draft Version
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IEA Solar Heating and Cooling Progr
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IEA Solar Heating and Cooling Progr
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Endbericht Solare Kühlung und Klim
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Task 38 Solar Air-Conditioning and
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IEA SHC Task 38 Solar Air Condition
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3.1 Adsorption Systems Table 1: Ads
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4 Heat Rejection There is a number
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Pompe évaporateur + compteur C3 Dr
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80 70 Temperature (°C) 60 50 40 3
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Power (kW) 20 19 18 17 16 15 14 13
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Power (kW) 20 19 18 17 16 15 14 13
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Country Name/ Company City Applicat
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79 Spain Private House Olivares-Sev
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Questionnaire for Owners of Small-S
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Fragebogen an Besitzer solare Kühl
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Cuestionario para propietarios de i
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Questions to Package Solution Provi
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9. Maintenance o What type of maint
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Grundprinzip Solare Wärme thermisc
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Hintergrund Operating Agent: Hans-M
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- Leistungsvergleich von verfügbar
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Subtask A: Pre-engineered systems f
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Abb. 3: Das Bürogebäude in St. Sc
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Beispiele realisierter großer Syst
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a) b) c) Abb. 9: Installation eines
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Subtask C: Modelling and fundamenta
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Liste der Systeme im Monitoring von
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Liste der Systeme im Monitoring von
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Marletta, L., Evola, G. and Sicurel
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Ellehauge & Kildemoes Vestergade 48
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Tekniker Centro Tecnológico Teknik
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IEA Solar Heating and Cooling Programm - NachhaltigWirtschaften.at

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