Analysis and Simulation of SF6 Tracer Experiments for Tracking the Pollutant Transport

오염물질 이동 추적을 위한 SF6 추적자 실험 분석과 모사 연구

  • 김영성 (한국과학기술연구원 지구환경 연구센터) ;
  • 조성호 (한국에너지 기술연구소 에너지 환경연구부, 한국에너지 기술연구소 건물에너지 연구부, 한국과학기술연구원 지구환경 연구센터, 한국과학기술연구원 지구환경 연구센터)
  • Published : 1998.10.01

Abstract

Tracer experiments were performed 4 times in December 1992 on the relatively flat terrain and nearby building area adjacent to the Taedok Science Town in Korea. Each experiment was continued for relatively short period of 1 or 2 hours with intermittent release of SF6 up to 2.07g/s at 10m height. Movement of tracer plume was tracked by a continuous tracer analyzer installed on an air monitoring van. Simulation with INPUFF was carried out to analyze and predict experiments. Measured profiles of tracer plume were narrow and sharp while predicted profiles by INPUFF were broad and slowly varied. Tracer plumes were detected at a short distance of 0.5 to 2.2 km mainly due to intermittent release and high value of lower detectable limit. Various experimental conditions were tested by INPUFF simulation in order to find desirable conditions. Higher wind speed and less variable wind direction could yield longer distance of plume tracking only when the lower detectable limit was sufficiently low. Distance of plume tracking was long and did not much depend on the lower detectable limit in stable atmospheric conditions.

Keywords

References

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