오일 열화 진행에 따른 오일의 색채 특성 변화
Change in Chromatic Characteristics with the Oil Degradation
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초록
In this work, a simple and low cost sensor technique is proposed to test oil color in real time using in-line sensor. It is presented to use a ratio of intensity in red wavelength range to intensities of green and blue wavelength ranges (defined as a ‘chromatic ratio’) in order to estimate the oil color change. The proposed sensor technique is realized by irradiating a white LED as light source and a RGB color sensor as photoreceiver, and the chromatic ratio of various types of used oils are measured. The results show that chromatic ratio generally reflects chemical deterioration of oil, including oil oxidation and thermal degradation. It is concluded that the proposed sensor could be used for an effective oil monitoring technology.
Abstract
In this work, a simple and low cost sensor technique is proposed to test oil color in real time using in-line sensor. It is presented to use a ratio of intensity in red wavelength range to intensities of green and blue wavelength ranges (defined as a ‘chromatic ratio’) in order to estimate the oil color change. The proposed sensor technique is realized by irradiating a white LED as light source and a RGB color sensor as photoreceiver, and the chromatic ratio of various types of used oils are measured. The results show that chromatic ratio generally reflects chemical deterioration of oil, including oil oxidation and thermal degradation. It is concluded that the proposed sensor could be used for an effective oil monitoring technology.
참고문헌 (6)
- 지능형 트리보 센서 및 액츄에이 터 기술개발, "KIST 연구보고서", ~, pp.UCE918-8243-2 (2006)
- "Using Oil Color as a Field Test", Practicing Oil Analysis Magazine, ~ (1998)
- Mark Barnes, "The Lowdown on Oil Breakdown", Practicing Oil Analysis Magazine, ~ (2003)
- "ASTM D 1500-07 (‘Standard test method for ASTM color of petroleum product (ASTM color scale)’, ASTM D 1524-94 (‘Standard test method for visual examination of used electrical insulating oils of petroleum origin in the field’) and ASTM D 2129-05 ('Standard test method for color of clear electrical insulating liquids (Platinum-Cobalt scale)", ~
- "오일 열화 실시간 모니터링 방법 및 장치", 대한민 국 특허출원 2006-0070869 (2006), USA patent application No. 11, 2006
- Kwon, Oh Kwan, "On-line measurement of contaminant level in lubricating oil", ~ (2000)