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The results of parameters calculations of the vapor-gas flow and droplets of irrigating liquid in application to the conditions of flue gas cooling in the reactors of the soda ash workshop at "Azot" limited company, Kemerovo, are compared. Some engineering processes require gas cooling to a certain temperature through water irrigation. It is impossible to calculate such a process without mathematical models on contact heat and mass transfer between gas and liquid droplets sprayed by the nozzles. Such a model was developed and verified at the Department of cooling and ventilation of TSUAB. This was made for the moderate air temperatures, when heat capacities of steam c1 ,a irc2 and heat of water evaporation r are assumed constant. In calculations they were assumed c1 =1.8 kJ/kg K, c2 =1.005 kJ/kg K and r = 2500 kJ/kg. However, at high temperatures the above parameters depends significantly on temperature, and this should be taken into account in equations of the model. Therefore, c1(T ), c2(T ), r(T ) are introduced into model (1) as approximations of tabular empirical data of (2), obtained by us: c1 (T ) = T

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The effect of dependence between vapor heat capacity, specific heat of evaporation-condensation of irrigating liquid and temperature on thermodynamic parameters of processes gases