지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2010.10
- 수록면
- 533 - 542 (10page)
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초록· 키워드
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The PM<SUB>10</SUB> concentrations in the underground should be monitored for the health of commuters on the underground subway system. Seoul Metro and Seoul Metropolitan Rapid Transit Corporation are measuring several air pollutants regularly. As for the measurement of PM<SUB>10</SUB> concentrations, instruments based on β-ray absorption method and gravimetric methods are being used. But the instruments using gravimetric method give us 20-hour-average data and the β-ray instruments can measure the PM<SUB>10</SUB> concentration every one hour. In order to keep the PM<SUB>10</SUB> concentrations under a healthy condition, the air quality of the underground platform and tunnels should be monitored and controlled continuously. The PM<SUB>10</SUB> instruments using light scattering method can measure the PM<SUB>10</SUB> concentrations every less than one minute. However, the reliability of the instruments using light scattering method is still not proved.
The purpose of this work is to study the reliability of the instruments using light scattering method to measure the PM<SUB>10</SUB> concentrations continuously in the underground platforms. One instrument using β-ray absorption method and two different instruments using light scattering method (LSM1, LSM2) were placed at the platform of the Jegi station of Seoul metro line Number 1 for 10 days. The correlation between the β-ray instrument and the LSM2 (r²=0.732) was higher than that between the β-ray instrument and the LSM1 (r²=0.393). Thus the LSM2 was chosen for further analysis. Three different regression analysis methods were tested: Linear regression analysis, Nonlinear regression analysis and Orthogonal regression analysis. When the instruments using light scattering method were used, the data measured these instruments have to be converted to actual PM10 concentrations using some factors. With these analyses, the factors could be calculated successfully as linear and nonlinear forms with respect to the data. And the orthogonal regression analysis was performed better than the ordinary least squares method by 28.45% reduction of RMSE. These findings propose that the instruments using light scattering method light scattering method can be used to measure and control the PM<SUB>10</SUB> concentrations of the underground subway stations.
The purpose of this work is to study the reliability of the instruments using light scattering method to measure the PM<SUB>10</SUB> concentrations continuously in the underground platforms. One instrument using β-ray absorption method and two different instruments using light scattering method (LSM1, LSM2) were placed at the platform of the Jegi station of Seoul metro line Number 1 for 10 days. The correlation between the β-ray instrument and the LSM2 (r²=0.732) was higher than that between the β-ray instrument and the LSM1 (r²=0.393). Thus the LSM2 was chosen for further analysis. Three different regression analysis methods were tested: Linear regression analysis, Nonlinear regression analysis and Orthogonal regression analysis. When the instruments using light scattering method were used, the data measured these instruments have to be converted to actual PM10 concentrations using some factors. With these analyses, the factors could be calculated successfully as linear and nonlinear forms with respect to the data. And the orthogonal regression analysis was performed better than the ordinary least squares method by 28.45% reduction of RMSE. These findings propose that the instruments using light scattering method light scattering method can be used to measure and control the PM<SUB>10</SUB> concentrations of the underground subway stations.
목차
Abstract
1. 서론
2. 실험방법 및 이론
3. 결과 및 고찰
4. 결론
감사의 글
참고문헌
참고문헌 (26)
참고문헌 신청
1. [기타자료] - 국립환경과학원 환경건강연구부 / 2008 / 실내공기질 공정시험기준 개선 연구
2. [학술지(정기간행물)] - 채경철 / 1990 / 직교 회귀의 역학적 고찰 / 응용통계연구 3 (1) : 1047 ~ 1058
3. [학술지(정기간행물)] - Aarnio, P. / 2005 / The concentrations and composition of and exposure to fine particle (PM2.5) in the Helsinki subway system / Atmospheric Environment 39 : 5059 ~ 5066
4. [학위논문] - Adams, H.S. / 2001 / Exposure assessment of urban transport user to particulate air pollution / 박사 / University of London
5. [학술지(정기간행물)] - Ahn, Y.J. / 2004 / Estimation of tool life by simple & multiple linear regression analysis of Si3N4 ceramic cutting tools / Transaction of the Korean Society of Machine Tool Engineers 13 (4) : 23 ~ 29
2. [학술지(정기간행물)] - 채경철 / 1990 / 직교 회귀의 역학적 고찰 / 응용통계연구 3 (1) : 1047 ~ 1058
3. [학술지(정기간행물)] - Aarnio, P. / 2005 / The concentrations and composition of and exposure to fine particle (PM2.5) in the Helsinki subway system / Atmospheric Environment 39 : 5059 ~ 5066
4. [학위논문] - Adams, H.S. / 2001 / Exposure assessment of urban transport user to particulate air pollution / 박사 / University of London
5. [학술지(정기간행물)] - Ahn, Y.J. / 2004 / Estimation of tool life by simple & multiple linear regression analysis of Si3N4 ceramic cutting tools / Transaction of the Korean Society of Machine Tool Engineers 13 (4) : 23 ~ 29
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UCI(KEPA) : I410-ECN-0101-2012-539-003569058