The present study is devoted to the evaluation of efficiency of the combined indirect evaporative - compressor water cooling system under various outdoor air humidity conditions of temperate climate. This is a building- based study, which represents the results of the analytical research, conducted in the recently restored 19th century historical building, The Art Museum Riga Bourse.
Indirect adiabatic water chiller is equipped with a compressor, and supplies cooled fluid to the conventional air conditioning system, consisting of ventilation cooling coils and fan-coil units on the separated loop. Using the data acquired by the data logging system, we have analyzed the dependence of the cooling plant operation efficiency on outdoor air humidity for the cooling system operation period of the year 2012.
Experimental research of convective heat transfer at cooling air flow of different relative humidity in the finned coil. News of KSUAE, 2012, Nr. 1(19) pp.74-80.
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 Brahmanis, A., Lešinskis, A., Krūmiņš, A. Case study of indirect adiabatic cooling system in historical building. In: 11th REHVA World Congress and 8th International Conference on IAQVEC “CLIMA 2013”, Prague, Czech Republic, 2013.
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 Brahmanis, A., Lešinskis A., Indirect Evaporative Pre-Cooled Compressor Cooling System Performance under Various Outdoor Air Humidity Conditions. In: Conference “Civil Engineering`13”, Jelgava, Latvia, 2013.
 Frīdenbergs, E., Lešinskis, A., Supply Air Temperature and Humidity Interaction on Thermal Performance of Indirect Evaporative Air cooling. In: 9th Annual Conference of Young Scientists on Energy Issues „CYSENI 2012”, Kaunas, Lithuania, 2012.
 Kona, D., Kon T., Dzelzītis, E., Lešinskis, A., Brahmanis, A., Weather Data for Indirect Evaporative Cooling Equipment Simulations In: 41st International Congress on Heating Refrigeration and Air Conditioning (HVAC&R), Serbia, Belgrade, 1.-3. December, 2010, pp. 34-40.
 Facao, J., Oliveira, A.C., Thermal behaviour of closed wet cooling towers for use with chilled ceilings. Applied Thermal Engineering, 2000, Vol. 20, pp. 1225-1236. http://dx.doi.org/10.1016/S1359-4311(99)00096-4
 Stabat, P., Marchio, D. Simplified model for indirect-contact evaporative cooling-tower behaviour. Applied Energy, 2004, Vol. 78, pp. 433-451. http://dx.doi.org/10.1016/j.apenergy.2003.09.004
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