- Volume 38 Issue 5
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Exposures of Ultrafine Particles for Passengers of Elephant Vehicle in the Seoul Grand Park
서울대공원 코끼리 열차 특성에 따른 탑승자의 초극미세입자(Ultrafine Particles) 노출
Joo, Song-Yi;Hwang, Ji-Hee;Ham, Seung-Hon;Lee, Ki-Young
- Received : 2012.08.09
- Accepted : 2012.10.24
- Published : 2012.10.31
Objectives: The objectives of this study were to measure passengers' exposure to ultrafine particles (UFP) and to determine effects of fuel, operating condition and position of seat. Method: UFP exposures in front and back seats of the Elephant vehicle in Seoul Grand Park were simultaneously measured by a condensation particle counter (P-Trak model 8525, TSI). The measurements were conducted 7 times with diesel-powered vehicle and 3 times with electricity vehicle in one day. The vehicle stopped at 3 locations along with 2.2 km of driving route. Results: UFP concentration in diesel-powered vehicle was significantly higher than electricity vehicle. At front seat of diesel-powered vehicle, average UFP exposure during stopping was significantly higher than during moving. When diesel-powered vehicle moved, UFP exposure in back seat was significantly higher than in front seat. Conclusions: Passengers in the diesel-powered Elephant vehicle could be exposed to high level of UFP. The UFP exposure was associated with operation condition and position of seat.
ultrafine particles;elephant vehicle;diesel-powered vehicle
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Supported by : 한국연구재단