한국수소및신에너지학회논문집 (Transactions of the Korean hydrogen and new energy society)

  • 제34권2호
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  • Pages.205-211
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  • 2023
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  • 1738-7264(pISSN)
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  • 2288-7407(eISSN)
한국수소및신에너지학회 (The Korean Hydrogen and New Energy Society)
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수소 가스 검출용 라만 라이다 측정기의 성능 평가를 위한 기초 연구

A Basic Study for the Performance Evaluation of a Raman LiDAR Detector for Detecting Hydrogen Gas

  • 투고 : 2023.02.07
  • 심사 : 2023.04.05
  • 발행 : 2023.04.28
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초록

Hydrogen gas is light and diffuses very quickly. Therefore, when a leakage accident occurs, the damage is great, so a technology that can quickly measure the leakage in the air at a long distance is needed. In order to develop hydrogen gas leaked in the atmosphere in a non-contact manner, an experiment was performed to measure hydrogen gas using a lidar technology using the Raman effect. Hydrogen Raman signals were detected using a UV LED light source, which is a Raman light source, and a spectrometer in the ultraviolet region including an optical filter in the 400-430 nm band. To develop this, a Raman lidar optical structure was designed to measure the hydrogen Raman signal at a certain distance, and the hydrogen Raman spectrum was confirmed using a standard gas to evaluate the performance of this optical structure. The linearity was found to be 0.99 using hydrogen standard gas (10, 50, 100, 500, 1,000 ppm). Accordingly, a Raman lidar capable of measuring hydrogen gas rapidly diffusing in the air in an open state was developed to improve the limitations of existing hydrogen sensors.

키워드

과제정보

본 연구는 소방청 ESS·수소시설 화재안전기술 연구개발사업(과제번호: 20019150)의 연구비 지원으로 수행되었습니다.

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