Ozone Generation in Corona Discharge at Pin Electrode of Electrophotography Charger

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    The generation of ozone in a stable regime of DC corona discharge at a pin electrode is modeled to provide data that can be utilized for the evaluation of charging and transferring devices of electrophotography with respect to reducing the ozone emission. The results of a theoretical investigation show the following : (1) The ozone generation rates of the 50 μm radius pin electrode are 0.085 ppm/μA and 0.010 ppm/μA under 5 liter/min air flow rate in case of negative corona and positive corona, respectively. The generation rate increases in accordance with the increase of the pin radius. Although the rate of ozone emission is nonlinear with respect to the discharge current, it can be assumed to be approximately linear within the usual design and operation conditions of electrophotography chargers. In case of the positive corona, ozone is formed just at the surface of the discharge electrode, but on the contrary, in case of the negative corona, ozone is formed at about 0.1 mm apart from the tip of the electrode. (2) The ozone generation rate of the charger with saw-tooth electrodes is reduced to about one third of that with a biased charger roller and it is only 1/140 of that with a corotron. The saw-tooth charger has a potential to realize virtually ozone-free charger.

    Original languageEnglish
    Pages (from-to)681-686
    Number of pages6
    JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
    Volume66
    Issue number642
    DOIs
    Publication statusPublished - 2000 Jan 1

    Fingerprint

    Ozone
    Electrodes
    Flow rate
    Air

    Keywords

    • Corona Discharge
    • Electrophotography
    • Information Processing Equipment
    • Laser Printer
    • Ozone
    • Plasma
    • Precision Instrument

    ASJC Scopus subject areas

    • Mechanics of Materials
    • Mechanical Engineering
    • Industrial and Manufacturing Engineering

    Cite this

    @article{c2df22f7ffb24d999bdfe5f0f53a1ffb,
    title = "Ozone Generation in Corona Discharge at Pin Electrode of Electrophotography Charger",
    abstract = "The generation of ozone in a stable regime of DC corona discharge at a pin electrode is modeled to provide data that can be utilized for the evaluation of charging and transferring devices of electrophotography with respect to reducing the ozone emission. The results of a theoretical investigation show the following : (1) The ozone generation rates of the 50 μm radius pin electrode are 0.085 ppm/μA and 0.010 ppm/μA under 5 liter/min air flow rate in case of negative corona and positive corona, respectively. The generation rate increases in accordance with the increase of the pin radius. Although the rate of ozone emission is nonlinear with respect to the discharge current, it can be assumed to be approximately linear within the usual design and operation conditions of electrophotography chargers. In case of the positive corona, ozone is formed just at the surface of the discharge electrode, but on the contrary, in case of the negative corona, ozone is formed at about 0.1 mm apart from the tip of the electrode. (2) The ozone generation rate of the charger with saw-tooth electrodes is reduced to about one third of that with a biased charger roller and it is only 1/140 of that with a corotron. The saw-tooth charger has a potential to realize virtually ozone-free charger.",
    keywords = "Corona Discharge, Electrophotography, Information Processing Equipment, Laser Printer, Ozone, Plasma, Precision Instrument",
    author = "Hiroyuki Kawamoto",
    year = "2000",
    month = "1",
    day = "1",
    doi = "10.1299/kikaic.66.681",
    language = "English",
    volume = "66",
    pages = "681--686",
    journal = "Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C",
    issn = "0387-5024",
    publisher = "Japan Society of Mechanical Engineers",
    number = "642",

    }

    TY - JOUR

    T1 - Ozone Generation in Corona Discharge at Pin Electrode of Electrophotography Charger

    AU - Kawamoto, Hiroyuki

    PY - 2000/1/1

    Y1 - 2000/1/1

    N2 - The generation of ozone in a stable regime of DC corona discharge at a pin electrode is modeled to provide data that can be utilized for the evaluation of charging and transferring devices of electrophotography with respect to reducing the ozone emission. The results of a theoretical investigation show the following : (1) The ozone generation rates of the 50 μm radius pin electrode are 0.085 ppm/μA and 0.010 ppm/μA under 5 liter/min air flow rate in case of negative corona and positive corona, respectively. The generation rate increases in accordance with the increase of the pin radius. Although the rate of ozone emission is nonlinear with respect to the discharge current, it can be assumed to be approximately linear within the usual design and operation conditions of electrophotography chargers. In case of the positive corona, ozone is formed just at the surface of the discharge electrode, but on the contrary, in case of the negative corona, ozone is formed at about 0.1 mm apart from the tip of the electrode. (2) The ozone generation rate of the charger with saw-tooth electrodes is reduced to about one third of that with a biased charger roller and it is only 1/140 of that with a corotron. The saw-tooth charger has a potential to realize virtually ozone-free charger.

    AB - The generation of ozone in a stable regime of DC corona discharge at a pin electrode is modeled to provide data that can be utilized for the evaluation of charging and transferring devices of electrophotography with respect to reducing the ozone emission. The results of a theoretical investigation show the following : (1) The ozone generation rates of the 50 μm radius pin electrode are 0.085 ppm/μA and 0.010 ppm/μA under 5 liter/min air flow rate in case of negative corona and positive corona, respectively. The generation rate increases in accordance with the increase of the pin radius. Although the rate of ozone emission is nonlinear with respect to the discharge current, it can be assumed to be approximately linear within the usual design and operation conditions of electrophotography chargers. In case of the positive corona, ozone is formed just at the surface of the discharge electrode, but on the contrary, in case of the negative corona, ozone is formed at about 0.1 mm apart from the tip of the electrode. (2) The ozone generation rate of the charger with saw-tooth electrodes is reduced to about one third of that with a biased charger roller and it is only 1/140 of that with a corotron. The saw-tooth charger has a potential to realize virtually ozone-free charger.

    KW - Corona Discharge

    KW - Electrophotography

    KW - Information Processing Equipment

    KW - Laser Printer

    KW - Ozone

    KW - Plasma

    KW - Precision Instrument

    UR - http://www.scopus.com/inward/record.url?scp=0038202893&partnerID=8YFLogxK

    UR - http://www.scopus.com/inward/citedby.url?scp=0038202893&partnerID=8YFLogxK

    U2 - 10.1299/kikaic.66.681

    DO - 10.1299/kikaic.66.681

    M3 - Article

    AN - SCOPUS:0038202893

    VL - 66

    SP - 681

    EP - 686

    JO - Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C

    JF - Nihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C

    SN - 0387-5024

    IS - 642

    ER -