Application of ultrasonic to a hydrogen sensor

Masashi Sonoyama, Yoshimine Kato, Hideaki Fujita

    研究成果: Chapter in Book/Report/Conference proceedingConference contribution

    13 被引用数 (Scopus)

    抄録

    A fast responce hydrogen sensor using ultrasonic was developed and demonstrated. It uses the difference in sound velocity between hydrogen and the air. Thus, it is possible to measure hydrogen concentration by measuring the sound velocity changing when hydrogen is mixed in the air. The hydrogen sensor using ultrasonic in this study can be very fast in response time which was less than 84 msec. We also have shown that it is possible to detect hydrogen concentration as low as 100 ppm with the distance between ultrasonic probes as small as 20 mm. Temperature variation test was also demonstrated between -10 and 50°C and confirmed that it can match with calculation results.

    本文言語英語
    ホスト出版物のタイトルIEEE Sensors 2010 Conference, SENSORS 2010
    ページ2141-2144
    ページ数4
    DOI
    出版ステータス出版済み - 12 1 2010
    イベント9th IEEE Sensors Conference 2010, SENSORS 2010 - Waikoloa, HI, 米国
    継続期間: 11 1 201011 4 2010

    出版物シリーズ

    名前Proceedings of IEEE Sensors

    その他

    その他9th IEEE Sensors Conference 2010, SENSORS 2010
    国/地域米国
    CityWaikoloa, HI
    Period11/1/1011/4/10

    All Science Journal Classification (ASJC) codes

    • 電子工学および電気工学

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