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薄膜センサによる微流速 ・流向計測法の研究 A Study on the Measuring Methods of Low Flow Velocity and Direction Using A Thin Film Sensor 北山, 正文 キタヤマ, ヨシフミ 川畑, 敬志 カワバタ, ケイシ 田中, 武 タナカ, タケシ 沖田, 貞文 オキタ, サダフミ 橋本, 忠洋 ハシモト, タダヒロ Kitayama, Yoshifumi Kawabata, Keishi Tanaka, Takeshi Okita, Sadafumi Hashimoto, Tadahiro Thin film sensor Ion layer Weak electrolyte Very slow flow velocity Flow direction application/pdf Recently, the research on the underground water pollution has been done for preventing the sudden increase of underground water pollution. There is the measurement of flow velocity and direction in this research items, and the establishment of practical methods for measuring its flow velocity and direction at a very slow range has been desired earnestly. The authors have suggested the measuring methods of flow velocity and direction by using a single type probe, but it is impossible to measure the flow velocity and direction simultaneously. In this paper, we have described the simultaneous measuring methods of flow velocity and direction by using a thin film sensor that we have devised newly, and show the deciding methods of a measurable range. From the experimental results, we could confirm that the simultaneous measuring methods of flow velocity and the 16 compass directions is possible using a thin film sensor that we have devised at the range of flow velocity 0.2~ 13[m/sec]. 広島工業大学 1998 jpn departmental bulletin paper VoR https://it-hiroshima.repo.nii.ac.jp/records/591 AN0021271X 03851672 広島工業大学研究紀要 32 1 7 https://it-hiroshima.repo.nii.ac.jp/record/591/files/kenkyukiyo32001.pdf application/pdf 387.1 kB 2023-03-30