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    Volume 48, Issue 5

    Decomposition of Vehicle Exhaust on Pavement with Nanotitanium Oxide and Promoting Function of Pyroelectric Materials

    (Received 24 February 2018; accepted 13 July 2018)

    Published Online: 01 September 2020

    CODEN: JTEVAB

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    Abstract

    According to the actual road conditions, the representative temperature, ultraviolet light intensity, and exhaust concentration were selected as the test environment. A study of the law of vehicle exhaust decomposition under different levels was conducted, and the phenomenon of temperature-light equivalence during a catalytic process was proposed. The decomposition products of exhaust gas from nanotitanium dioxide were detected by chemical analysis, and relevant information was obtained through the reaction process. Besides this, the effects of a piezoelectric system and pyroelectric materials on the catalytic efficiency of nanotitanium dioxide were also investigated. Meanwhile, the influence of pyroelectric materials on the catalytic activity of nanotitanium dioxide in different environments was also evaluated. With the increase of load, loading frequency, and temperature, the effect of tourmaline powder on the decomposition of vehicle exhaust gas is improved, and the influence of load and temperature was more obvious than that of the frequency.

    Author Information:

    Li, Feng
    School of Transportation Science and Engineering, Beihang University, Beijing,

    Zhou, Siqi
    School of Transportation Science and Engineering, Beihang University, Beijing,

    Fu, Kangyu
    College of Transportation Engineering, Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai,

    School of Materials Science and Engineering, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, Shanghai,

    Yu, Jing
    College of Transportation Engineering, Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai,

    School of Materials Science and Engineering, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, Shanghai,

    Du, Yuchuan
    College of Transportation Engineering, Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai,

    Zhou, Peiting
    Broadvision Engineering Consultants, National Engineering Laboratory for Land Transport Meteorological Disaster Control Technology, Kunming,

    Cheng, Zhihao
    Broadvision Engineering Consultants, National Engineering Laboratory for Land Transport Meteorological Disaster Control Technology, Kunming,

    Yang, Zhenglong
    College of Transportation Engineering, Key Laboratory of Road and Traffic Engineering of Ministry of Education, Tongji University, Shanghai,

    School of Materials Science and Engineering, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, Shanghai,


    Stock #: JTE20180143

    ISSN:0090-3973

    DOI: 10.1520/JTE20180143

    Author
    Title Decomposition of Vehicle Exhaust on Pavement with Nanotitanium Oxide and Promoting Function of Pyroelectric Materials
    Symposium ,
    Committee E17