Instant Gas Concentration Measurement Using Ultrasound from Exterior of a Pipe

Mahjabin Taskin, Yoshimine Kato

    研究成果: ジャーナルへの寄稿学術誌査読

    5 被引用数 (Scopus)

    抄録

    Concentration of a gas flowing inside a pipe was measured by using ultrasound from the exterior of a pipe without extracting the gas from the pipe. The concentration of the gas can be measured based on speed variation of the ultrasound traveling inside the pipe. Drilling a hole in the pipe to extract the gases is not necessary for the gas concentration measurement. In this paper, the concentration of hydrogen gas in the air was measured accurately while the air was flowing inside the pipe. Various airflow speeds were examined, and it was estimated that it is possible to measure the gas concentration for more than about 60 m/s of the airflow rate. The response time for measuring gas concentration was less than 0.1 s.

    本文言語英語
    論文番号8635548
    ページ(範囲)4017-4024
    ページ数8
    ジャーナルIEEE Sensors Journal
    19
    11
    DOI
    出版ステータス出版済み - 6月 1 2019

    !!!All Science Journal Classification (ASJC) codes

    • 器械工学
    • 電子工学および電気工学

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