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Air distribution by interaction of counter non coaxial air jets at pulsing mode has been considered. Dynamic parameters of air flow that is created due to interaction of counter non coaxial flat air jets at their leakage at pulsing mode and creation of dynamic indoor climate in a room has been determined. This paper is aimed to develop a methodology for determining the intensity of ventilation of indoor premises based on the experimental measurements of the concentration of carbon dioxide. Using experimental measurements and the knowledge gained in the study of this issue, in the work the method for intensity ventilation determining of the indoor premises was developed on the basis of the measured values of carbon dioxide which was verified also by another experimental measurements. The resulting values of ventilation intensity rate obtained by calculation from the measured values of carbon dioxide were compared with the results of calculations executed according to the laws and standards, valid in Slovakia. Based on measured values of carbon dioxide concentrations a method for calculation of the ventilation intensity was developed and compared with the methods used in Slovakia.

EXPERIMENTAL MEASUREMENTS OF A CARBON DIOXIDE CONCENTRATION FOR DETERMINING OF A VENTILATION INTENSITY IN A ROOM AT PULSING MODE