On the Electrical Method of Measuring Small Vibrations, and Its Application to the Measurement of Vibrations of Airscrew Blades.

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  • "振動の電氣的測定法及びプロペラ翼の振動の測定に於ける其應用"

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Abstract

茲に記載する振動の電氣的測定方法は三極眞空管を利用し且つ回路内の電氣容量の變化を利用する點では數年前に發表した方法と全然同一である。但し曩に發表した方法では發振回路を用ひたが、今回は全然回路の發振状態を利用しない點で大に趣を異にする、從つて今回の方法では前法に比してcalibrationが遙に一定である。此方法の應用の一つとしてプロペラ翼の振動を測定した結果を述べた。

An electrical arrangement for measuring small vibrations by means of a vacuum tube is described. As no electrical oscillation is started in the circuit, the calibration may be kept constant for a much longer period than in a similar arrangement described in earlier papers, in which an oscillating circuit was used. The results of applying this method to the measurement of vibrations of airscrew blades are also described.

資料番号: SA4147501000

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