Thermal Condition and Air Quality Investigation in Commercial Airliner Cabins

Nu Yu, Yao Zhang, Mengya Zhang and Haifeng Li
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Nu Yu: Department of Air Traffic, College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
Yao Zhang: Department of Air Traffic, College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
Mengya Zhang: Department of Air Traffic, College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
Haifeng Li: Department of Air Traffic, College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China

Sustainability, 2021, vol. 13, issue 13, 1-15

Abstract: Cabin air quality and thermal conditions have a direct impact on passenger and flight crew’s health and comfort. In this study, in-cabin thermal environment and particulate matter (PM) exposures were investigated in four China domestic flights. The mean and standard deviation of the in-cabin carbon dioxide (CO 2 ) concentrations in two tested flights are 1440 ± 111 ppm. The measured maximum in-cabin carbon monoxide (CO) concentration is 1.2 ppm, which is under the US Occupational Safety and Health Administration (OSHA) permissible exposure limit of 10 ppm. The tested relative humidity ranges from 13.8% to 67.0% with an average of 31.7%. The cabin pressure change rates at the end of the climbing stages and the beginning of the descending stages are close to 10 hPa·min −1 , which might induce the uncomfortable feeling of passengers and crew members. PM mass concentrations were measured on four flights. The results show that PM concentrations decreased after the aircraft cabin door closed and were affected by severe turbulences. The highest in-cabin PM concentrations were observed in the oldest aircraft with an age of 13.2 years, and the waiting phase in this aircraft generated the highest exposures.

Keywords: aircraft cabin air quality; aircraft cabin thermal environment; environmental health; particulate matter; exposures (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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