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CFD SIMULATION OF CARBON MONOXIDE CIRCULATION DYNAMICS IN A VENTILATION INSTALLATIONS TUBING
Abstract
Reducing the risk of occurrence of phenomena such as poisoning, as a result of the untimely penetration of a certain amount of toxic gases, inside a ventilation installation, is a priority, regarding the health and safety of workers, material assets and the negative influence on the environment, due to the possible problems caused by the occurrence of toxic atmospheres, formed by mixing air with toxic gases and vapors. In closed or semi-closed industrial and non-industrial buildings, effective ventilation is the primary measure to prevent toxic atmospheres. Knowing the behavior of toxic gases as well as their manner of dispersion is essential for preventing hazardous circumstances at the level of inadequately aired ventilation facilities, where toxic atmospheres might develop. For the study of the dynamics of carbon monoxide circulation inside the piping of an industrial ventilation installation under the influence of the air state parameters, the CFD technique was used with the help of the ANSYS MULTIPHISICS software package In order to carry out the simulation in a manner as close as possible to the experimental conditions, the topographic elevation of the ventilation installation was carried out within the experimental laboratory where the experiments were carried out in the laboratory, and the computer model was made The paper presents the CFD analysis regarding the influence of the state parameters on the dynamics of carbon dioxide flow inside the ventilation systems. Thus, the state parameters determined in the experimentation area and their introduction into CFD modeling are presented, respectively the establishment of the flow and dispersion model of carbon monoxide in ventilation ducts with high complexity, in the intake, transport and exhaust phases.
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