Experimental verification of the hazardous gas distribution model

 

Maksim Kustov

National University of Civil Defence of Ukraine

http://orcid.org/0000-0002-6960-6399

 

Andrii Melnychenko

National University of Civil Defence of Ukraine

http://orcid.org/0000-0002-7229-6926

 

DOI: https://doi.org/10.52363/2524-0226-2022-35-4

 

Keywords: gas sorption, experimental chamber, dispersed flow, concentration distribution, deposition intensity, model adequacy, Fisher's test

 

Аnnotation

An experimental verification of the adequacy of the theoretical model of the distribution of hazardous gases in the air stream during its intensive deposition by dispersed jets is carried out. Comparative analysis of the results of the experiments is embedded in the confidence interval calculated by Fisher's test with a reliability of 0,95. This testifies to the reliability of previously developed mathematical models of sorption of hazardous gases. The results of experiments confirmed the high intensity of sorption of ammonia by water flow and showed that the use of water curtains can significantly reduce the size of atmospheric damage by hazardous gases. To conduct reliable experimental research and model the conditions of deposition of hazardous gases in the path of air flow, an experimental chamber for the study of sorption processes was developed and created. The developed experimental chamber and research methods provide for safety when working with hazardous gaseous substances. The design of the chamber body in the form of an elongated cylinder with a network of gas analyzers allows you to measure the dynamics of the spatial distribution of gases at different flow intensities. The method of the experiment involves three main variable parameters – air flow rate, intensity and dispersion of liquid flow and additional variable parameters determined by the physicochemical nature of sorption processes – ambient temperature and pressure, chemical composition of the liquid. The use of the developed experimental chamber in research will allow to measure the intensity of sorption processes of gaseous substances by the flow of dispersed liquids, liquid mixtures and solutions. The efficiency of practical use of the method of forecasting the intensity of emergency response with the emission of hazardous gases was tested.

 

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