Evaluation of Typical Volatile Organic Compounds Levels in New Vehicles under Static and Driving Conditions

Ruihua Guo, Xiaofeng Zhu, Zuogang Zhu, Jianhai Sun, Yongzhen Li, Wencheng Hu and Shichuan Tang
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Ruihua Guo: Institute of Urban Safety and Environmental Science, Beijing Academy of Science and Technology, Beijing 100054, China
Xiaofeng Zhu: Institute of Urban Safety and Environmental Science, Beijing Academy of Science and Technology, Beijing 100054, China
Zuogang Zhu: Institute of Urban Safety and Environmental Science, Beijing Academy of Science and Technology, Beijing 100054, China
Jianhai Sun: State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100194, China
Yongzhen Li: Institute of Urban Safety and Environmental Science, Beijing Academy of Science and Technology, Beijing 100054, China
Wencheng Hu: Institute of Urban Safety and Environmental Science, Beijing Academy of Science and Technology, Beijing 100054, China
Shichuan Tang: Institute of Urban Safety and Environmental Science, Beijing Academy of Science and Technology, Beijing 100054, China

IJERPH, 2022, vol. 19, issue 12, 1-14

Abstract: In modern societies, the air quality in vehicles has received extensive attention because a lot of time is spent within the indoor air compartment of vehicles. In order to further understand the level of air quality under different conditions in new vehicles, the vehicle interior air quality (VIAQ) in new vehicles with three different brands was investigated under static and driving conditions, respectively. Air sampling and analysis are conducted under the requirement of HJ/T 400-2007. Static vehicle tests demonstrate that with the increasing of vehicle interior air temperature in sunshine conditions, a higher concentration and different types of volatile organic compounds (VOCs) release from the interior materials than that in the environment test chamber, including alkanes, alcohols, ketones, benzenes, alkenes, aldehydes, esters and naphthalene. Driving vehicle tests demonstrate that the concentration of VOCs and total VOCs (TVOC) inside vehicles exposed to high temperatures will be reduced to the same level as that in the environment test chamber after a period of driving. The air pollutants mainly include alkanes and aromatic hydrocarbons. However, the change trends of VOCs and TVOC vary under different conditions according to various kinds of factors, such as vehicle model, driving speed, air exchange rate, temperature, and types of substance with different boiling points inside the vehicles.

Keywords: vehicle interior air quality; volatile organic compounds; new vehicles; static conditions; driving conditions (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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