Concentration of CO 2 in the Local Working Area during the Joint Operation of a Gas Infrared Heater and an Air-Exchange System

Boris Vladimirovich Borisov, Geniy Vladimirovich Kuznetsov, Vyacheslav Ivanovich Maksimov (), Tatiana Aleksandrovna Nagornova and Felix Yurievich Salikhov
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Boris Vladimirovich Borisov: School of Energy and Power Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
Geniy Vladimirovich Kuznetsov: School of Energy and Power Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
Vyacheslav Ivanovich Maksimov: School of Energy and Power Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
Tatiana Aleksandrovna Nagornova: School of Energy and Power Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
Felix Yurievich Salikhov: School of Energy and Power Engineering, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia

Energies, 2023, vol. 17, issue 1, 1-20

Abstract: The formation of local areas in large buildings with regulated thermal conditions is an urgent task. The use of gas infrared heaters for this purpose raises questions on the utility of an air-exchange system and the monitoring of the combustion product concentration. In this study, the modeling of heat transfer processes on premises with a gas infrared heater and an air-exchange system was conducted. The carbon dioxide concentration in the local working area when using a light-type gas infrared heater was determined. The regularities of current formation for circulating air and combustion products on the premises at various air-exchange rates were analyzed. The profiles of CO 2 temperatures and concentrations in the local working areas on the left and right of the equipment model are shown. The article makes a conclusion about the influence of air velocity from the air-exchange system based on average values of carbon dioxide concentration on the premises and in the local working area. The possibility of increasing the temperature in the local working area without exceeding the permissible CO 2 concentrations (less than 1000 ppm) has been identified. The formulated approach allows us to predict the available modes of the air-exchange system to create the highest possible comfort heating parameters while maintaining an acceptable degree of air pollution from combustion products.

Keywords: gas infrared heater; air-exchange system; local working areas; fields of temperatures; field CO 2 concentrations (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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