Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
권호 표지
DOI QR코드

DOI QR Code

Numerical Simulation of Dispersion of Air Pollutants from Combined Cycle Power Plants

복합화력발전소 대기오염영향 평가

  • Kim, Ji-Hyun (Dept. of Earth and Environmental Engineering, College of Engineering, Kangwon National University) ;
  • Park, Young-Koo (Dept. of Earth and Environmental Engineering, College of Engineering, Kangwon National University)
  • Received : 2016.07.04
  • Accepted : 2016.09.26
  • Published : 2016.09.30
Download PDF
⟨ Previous Next ⟩

Abstract

Modeling can be used to understand the atmospheric dispersion of air pollutants scientifically. Recent development of model computation enabled to simulate more diverse area. As flowing out from the emission source, the concentration profiles of air pollutants could be estimated in three dimensional space. This study used CALPUFF diffusion model to predict the diffusion of discharged NO2 and TSP on the atmosphere near a combined heat power plant and incinerator. It was investigated contribution concentration of the surrounding area by sources by comparing the actual measurement results and the results of the modeling. Contribution of emission sources to the local level of NO2 was found quite high particularly at the site, A-3. The estimated results by modelling revealed more significant effect on TSP at A-5.

Modeling은 기상의 흐름, 화학반응 및 대기오염물질의 형성과정 등 대기현상을 과학적으로 이해하고 개발계획 및 대기 개선에 따른 정책수립의 기초자료로 활용된다. 최근 컴퓨팅 계산능력이 발전하면서 수치모델의 모델링 영역과 모델결과의 이용분야가 점차 다양해지고 있으며, 오염물질 발생원으로부터 시간의 흐름에 따라 오염물질농도를 예측이 가능해졌다. 본 연구는 일산열병합발전소 및 고양시 소각장 주변지역을 대상으로 CALPUFF 확산모델을 적용하여 대기 중 배출 된 NO와 TSP의 확산을 모사하고, 실제 측정결과와 비교함으로써 배출원에 의한 주변지역의 기여농도를 검토하였다. 1, 2차 $NO_2$ 기여율 비교 결과 A-3 지점이 타 지점에 비해 비교적 높게 나타났으며, 이는 열병합발전소 및 소각시설에서 배출되는 질소산화물의 영향이 타 지역에 비해 비교적 높다는 것을 알 수 있다. 1, 2차 TSP 기여율 비교 결과 A-5 지점이 비교적 타 지점에 비해 다소 높게 나타났으나, 기여율 값이 매우 낮음에 따라 열병합발전소 및 소각시설에서 배출되는 먼지에 의한 영향은 비교적 낮다고 판단된다.

Keywords

References

  1. M. Barna, and B. Lamb, Improving Ozone Modeling in Regions of Complex Terrain using Observational Nudging in a Prognostic Meterological Model, J. KOSAE., 34(28), 4889.
  2. N. Kumar, and A. G. Russell, Comparing Prognostic and Diagnostic Meteorological Fields and their Impacts on Photochemical air Quality Modeling, J. KOSAE., 30(12), 1989(1995).
  3. Y. S. Koo, H. Y. Kwon, E. S. Son, H. J. Jin, B. W. Jung, and G. S. Heo, A Review of the Estimation Methodology of Methane Emission in a Landfill using Inverse Modeling Technique, J. Kor. Soc. Odor Res. Eng., 12(3), 111(2013). https://doi.org/10.11161/jkosore.2013.12.3.111
  4. C. B. Lee, J. C. Kim, G. W. Lee, C. U. Ro, and H. K. Kim, Tracer Experiment for the Investigation of Urban Scale Dispersion of Air Pollutants, J. KOSAE, 23(4), 405(2007). https://doi.org/10.5572/KOSAE.2007.23.4.405
  5. C. B. Lee, S. Kim, Y. K. Kim, C. L. Cho, and S. D. Ryu, Evaluation of Gaussian Puff Model with Tracer Experiment under Nighttime Strong Stable Conditions, J. KOSAE, 12(5), 529(1996).
  6. J. C. Kim, and J. B. Lee, Evaluation of the CALPUFF Model Using Improved Meteorological Fields in Complex Terrain of East Sea Coast, J. KOSAE, 25(1), 15(2009). https://doi.org/10.5572/KOSAE.2009.25.1.015
  7. H. W. Lee, H. Y. Won, H. J. Choi, and H. G. Kim, Numerical Simulation of Effects of Atmospheric Flow Fields Using Surface Observational Data on Dispersion Fields of Air Pollutants in Gwangyang Bay, J. KOSAE, 21(2), 169(2005).
  8. S. S. Joseph, R. R. Francoise, E. F. Mark, and J. Y. Robert. A User's guide for the CALMET meteorological model, Earth Tech, Inc(2000).
  9. S. S. David, G. Strimaitis, and J. Y. Robert, A user's guide for the CALPUFF dispersion model(version 5), Earth Tech, Inc(2000).
  10. N. L. Seaman, Meteorological modeling for air-quality assessments, J. KOSAE, 34(12-14), 2231(2000).
  11. Y. S. Koo, J. H. Choi, S. T. Kim, and S. J. Park, A Real-time Odor Monitoring and Modeling System, JOIE, 6(4), 254(2007).
  12. Y. S. Koo, H. J. Park, U. J. Park, J. E. Park, J. S. Lee, S. J. Han, G. S. Heo, and H. J. Jin, An Evaluation of Dispersion Coefficients in CALPUFF using Tracer Experiment, J. Korean Soc. Odor Res. Eng. 10(4), 189(2011).
  13. V. K. Figueroa, R. Kevin, Mackie, N. Guarriello, and C. David Cooper, A robust method for estimating landfill methane emissions, J. Air & Waste Manage. Assoc., 59, 925(2009). https://doi.org/10.3155/1047-3289.59.8.925
  14. G. Sistla, N. Zhow, W. Hao, J. Y. Ku, S. T. Raor, Bornstein, F. Freedman, and P. Thunis, Effects of Uncertainties in Meteorological Inputs on Urban Airshed Model Predictions and Ozone Control Strategies, J. KOSAE, 30(12), 2011(1996).
  15. H. Y. An, Y. H. Kang, S. K. Song, and Y. K. Kim, Comparison of CALPUFF and HYSPLIT Models for Atmospheric Dispersion Simulations of Radioactive Materials, J. KOSAE, 31(6), 573(2015). https://doi.org/10.5572/KOSAE.2015.31.6.573