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https://doi.org/10.18502/espoch.v3i3.16622

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  • Ángel Danilo Parra Parra

    Ángel Danilo Parra Parra

    Escuela Ingeniería Automotriz, Facultad de Mecánica, Escuela Superior Politécnica de Chimborazo, Panamericana Sur km 1 1/2, Riobamba Ecuador
  • Luis Fernando Taguada Cruz

    Luis Fernando Taguada Cruz

    Escuela Ingeniería Automotriz, Facultad de Mecánica, Escuela Superior Politécnica de Chimborazo, Panamericana Sur km 1 1/2, Riobamba Ecuador
  • Johnny Pancha Ramos

    Johnny Pancha Ramos

    Escuela Ingeniería Automotriz, Facultad de Mecánica, Escuela Superior Politécnica de Chimborazo, Panamericana Sur km 1 1/2, Riobamba Ecuador
  • Víctor Bravo Morocho

    Víctor Bravo Morocho

    Escuela Ingeniería Automotriz, Facultad de Mecánica, Escuela Superior Politécnica de Chimborazo, Panamericana Sur km 1 1/2, Riobamba Ecuador

Published Date

  • Jul 24, 2024

Study of the Incidence of CO and CO2 Gas Emission Levels and Temperature, of the Automotive Air Conditioning System Inside an Interprovincial Bus at Different Environmental and Operating Conditions

ESPOCH Congresses: The Ecuadorian Journal of S.T.E.A.M. / Volume 3, Issue 3 / Pages 193–235

Abstract

The present curricular integration work proposes to analyze the levels of CO and CO2 gas emissions in the passenger compartment of an interprovincial bus, considering environmental and functional conditions, to obtain values that are analyzed, allowing to know the comfort conditions of the passenger, and considering an ideal temperature of 22∘C. The study was carried out on the selected route during the bus route, both in the central and peripheral urban sectors, where the influx of users is notable throughout the day. The field measurements were carried out (August 5-10), inside the passenger compartment of an interprovincial bus, considering operating variables of the automotive air conditioning system, such as condition, OFF, air recirculation, and air renewal. Data were collected in the passenger compartment’s front, middle, and rear sections. An IAQ TESTO 440 gas analyzer was used through the CO2 and the CO probe, located at a height of 1.1 m from the floor, which was considered as the average respiratory level of the passenger, generating the data in lapses of 10 min. Once the analysis has been carried out, the data is tabulated and the concentration levels of emissions produced by the users’ exhalation are determined. Finally, by tabulating the data, it was possible to know the concentration percentages of the gas emissions produced by the users, in the different locations of the passenger compartment. It is recommended that for future research, a study be carried out with data collected from a full day of travel.


Keywords: Air conditioning, optimization, gas emissions, air quality, passenger cabin, comfort, gas analyzer, interprovincial transport.


Resumen


Este trabajo de integración interna propone analizar el CO2 y las emisiones de CO2 en el habitáculo de los autobuses interurbanos, teniendo en cuenta las condiciones ambientales y funcionales, para obtener los valores analizados, que permitan conocer el estado de confort del pasajero. Teniendo en cuenta la temperatura ideal de 22∘C. En la ruta seleccionada, el estudio se realizó a lo largo de la ruta del bus, tanto en la zona céntrica como en la semiurbana donde hay una gran cantidad de usuarios a lo largo del día. Se realizaron mediciones de campo (del 5 al 10 de agosto) al interior del habitáculo de un bus interurbano, teniendo en cuenta variables operativas del sistema de aire acondicionado del vehículo como condición, apagado, recirculación de aire y cambio de aire. Los datos se recopilan en las partes delantera, media y trasera de la cabina. El analizador de gases IAQ TESTO 440 se utiliza como medio para los detectores de CO2 y CO, colocado a una altura de 1,1 metros del estanque, que se considera la frecuencia respiratoria media del pasajero, produce datos en un tiempo breve en 10 minutos. Una vez que se completa el análisis, se tabulan los datos y se determina la concentración exhalada del usuario. Finalmente, es posible conocer el porcentaje de emisiones generadas por el usuario, en diferentes puntos del habitáculo. Se recomienda que se realice un estudio con los datos recopilados en el transcurso de un día de viaje para futuras investigaciones.


Palabras Clave: emisiones de gases, transporte interprovincial, analizador de gases, aire acondicionado, calidad del aire, habitáculo de pasajeros.

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