Air quality within vehicles

Saikin, A. M.; Ter-Mkrtich’yan, G. G.; Карпухин, К. Е.; Pereladov, A. S.; Журавлев, А. В.; Yakunova, Elena A.

doi:10.3103/s1068798x17050215

Cited by 6 publications

(1 citation statement)

References 2 publications

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“…Most new cars already have air purifier with ordinary filtering functions installed in the air conditioning, but it only works for PM2.5 and other particulate pollutants. 11 In order to further eliminate air pollutants, including formaldehyde, many car owners will adopt other new ways to improve the air quality in cars. 12,13 At present, the formaldehyde treatment technology can be divided into adsorption, plasma method, and catalytic oxidation.…”

Section: Introductionmentioning

confidence: 99%

Simulation study on effects of purifier positions on formaldehyde removal under the condition of vehicle air supply

Zhang

2021

Proceedings of the Institution of Mechanical Engineers, Part D:

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In order to further improve the interior air quality and comfort of the vehicle, CFD method is used to simulate the different airflow distribution caused by car-mounted air purifiers at different positions. Combined with the change of formaldehyde concentration field in car, the influence of car-mounted air purifiers on the formaldehyde dilution and removal under the condition of air conditioning air supply is analyzed. The simulation results are verified by actual measurement, and the trend of the simulation results is basically consistent with the measured results. When the car air purifier placed in the middle of the car roof, it can effectively dilute and purify the formaldehyde gas in the car, and reduce the concentration of formaldehyde in the breathing area of the driver and passengers. The adsorption and degradation of formaldehyde by the purifier, together with the dilution of formaldehyde by air supply, can improve the air quality in cars more effectively than using only one of the air purification methods.

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Section: Introductionmentioning

confidence: 99%

Simulation study on effects of purifier positions on formaldehyde removal under the condition of vehicle air supply

Zhang

2021

Proceedings of the Institution of Mechanical Engineers, Part D:

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Car cabin filters as sampling devices to study bioaerosols using eDNA and microbiological methods

et al. 2019

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The aim of this study was to examine whether bioaerosols could be isolated and quantified from used car cabin filters. Car cabin filters are widely available and can provide a vast untapped resource for sampling of bioaerosols in areas with enhanced air pollution. We developed a test system where we exposed car cabin filters to birch pollen under compressed air to represent airflow onto the filter. The flow of pollen within the test system was confirmed by microscopy and realtime PCR. Testing of extraction methods was performed on the most prevalent types of filters in UK cars and confirmed it was possible to extract and quantify viable fungi, birch pollen or proteins from car filters. The main challenge of their use is envisaged to be the lack of temporal resolution as car cabin filters are not routinely changed at intervals greater than one year, however the systematic recording of the different routes driven during the sampling interval has been enabled through the common use of GPS, smartphones or similar technologies. Car filters therefore provide substantial possibilities to monitor exposure of harmful bioaerosols in the polluted traffic regions defined by the road network. This method could also be applied to studying allergen exposure associated with bioaerosols and their delivery into the human respiratory system. These findings demonstrate that car cabin filters have the potential to be used to isolate and quantify a range of bioaerosols including pollen and fungi, as well as fractions of bioaerosols, such as proteins.

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Efficiency enhancement of the vehicle fuel tank ventilation system by improving its architecture and design

Glaviznin¹,

Ter-Mkrtich’yan²,

Mikerin³

2021

J. Phys.: Conf. Ser.

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Hydrocarbon emissions from fuel evaporation contribute significantly to the total emissions of harmful substances from vehicles with forced spark ignition. To meet the legally established standards for limiting hydrocarbon emissions from evaporation, all current vehicles use fuel vapor control systems. The design of the system can vary and depends on the sales market of a particular vehicle. This article describes the development of this system for the market of the Russian Federation, as well as optimization for promising sales markets with more stringent environmental requirements.

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Air quality within vehicles

Cited by 6 publications

References 2 publications

Simulation study on effects of purifier positions on formaldehyde removal under the condition of vehicle air supply

Simulation study on effects of purifier positions on formaldehyde removal under the condition of vehicle air supply

Car cabin filters as sampling devices to study bioaerosols using eDNA and microbiological methods

Efficiency enhancement of the vehicle fuel tank ventilation system by improving its architecture and design

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