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• W2072447832 abstract "본 연구에서는 국내 기술로 개수로 흐름 측정에 활용할 수 있는 초음파 유속 프로파일러를 개발하였다. 이 유속 프로파일러는 초음파의 도플러 효과로 유속을 측정하는 원리에 기반을 두고 있으며, 도플러 주파수는 펄스반복주파수(Pulse Repetition Frequency) 기법에 의해 산정된다. 개발된 유속 프로파일러의 성능을 검증하기 위해 실내 실험 및 현장 테스트를 수행하였다. 실험 결과 개발된 유속 프로파일러는 바닥에서부터 약 0.1 cm 이상의 수심에서는 정상적인 유속 분포를 측정하며, 상용 유속센서 등과 비교하여 유사한 측정 성능을 가진 것으로 확인되었다. An acoustic velocity profiler is developed, which is able to be used for open-channel flow measurement. It measures flow velocity based Doppler effect on acoustic signals, which is estimated by using pulse repetition frequency technique. Laboratory and field tests were made to verify velocity measuring performance of the developed device. It is confirmed that the acoustic velocity profiler can normally measure vertical velocity profile in the range above 0.1 m from the bottom and has equivalent performance to commercial acoustic velocity measuring devices." @default.
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• W2072447832 date "2011-09-30" @default.
• W2072447832 modified "2023-09-27" @default.
• W2072447832 title "Development of an Acoustic Velocity Profiler by Using Pulse Repetition Frequency Technique" @default.
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• W2072447832 doi "https://doi.org/10.3741/jkwra.2011.44.9.731" @default.
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