IEA Solar Heating and Cooling Programm - NachhaltigWirtschaften.at

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IEA SHC Task 38 Solar Air Conditioning and Refrigeration Subtask C Report, Date: 13.01.2009 1,0 0,94 information from cooling tower producers cooling tower constant, C k 0,8 0,6 0,4 0,2 0 0 0,2 0,4 0,6 0,74 0,8 1,0 height of the plastic dripping body, m Figure 3-4: Cooling tower constant as a function of the height of the dripping body (on the basis of Recknagel Sprenger, 1997/98) 1,0 0,9 0,8 0,7 0,67 ideal cooling tower 0,94 Ck =1,0 0,9 0,8 0,6 0,7 0,5 0,6 η cooling gradation 0,4 0,3 0,5 0,2 0,1 0 0,5 1,24 1,0 1, 5 2, 0 2,5 3,0 air ratio λ = lo / lmin Figure 3-5: Cooling gradation η as a function of the air ratio with the parameter of the cooling tower constant (Recknagel Sprenger, 1997/98) page 23
IEA SHC Task 38 Solar Air Conditioning and Refrigeration Subtask C Report, Date: 13.01.2009 3.3 Example Cooling water: ϑ w1 = 33 °C Cooling water mass flow Air flow rate Wet bulb temperature Ideal minimum air ratio m = 1,11 kg/s = 4.000 kg/h M = 1,38 kg/s (information of the producer) ϑ wb = 16,5 °C l min = 1,0 Real air ratio l 0 = 1,243 l0 Air ratio of a wet cooling tower λ = = 1, 24 l Cooling gradation η = 0,67 (out of figure 3.5) Result: Cooling water ϑ w2 ϑ w2 = min ϑw 1 −ϑw2 = 0,64 → ϑ w 2 = 22, 09° C ϑ −ϑwb w1 page 24
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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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M M IEA SHC Task 38 Solar Air Condi
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M M M IEA SHC Task 38 Solar Air Con
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IEA SHC Task 38 Monitoring Procedur
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Table of tables Table 1 List of ele
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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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Questionnaire for Owners of Small-S
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9. Maintenance o What type of maint
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Page 544 and 545: IEA SHC Task 38 Solar Air Condition
Page 572 and 573: Task 38 Solar Air-Conditioning and
Page 614 and 615: Grundprinzip Solare Wärme thermisc
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Page 634 and 635: Marletta, L., Evola, G. and Sicurel
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Page 638: Tekniker Centro Tecnológico Teknik
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IEA Solar Heating and Cooling Programm - NachhaltigWirtschaften.at

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