Abstract
Indoor air quality in a public transport interchange station in rush hour has been studied. Carbon monoxide is selected as the main pollutant for description of air quality. Ventilation systems, bus traffic and passenger flow, air quality have been investigated by on-site survey. Large eddy simulation technology has been used to analyze indoor air quality of public transport interchange station. The boundary conditions are determined according to the measured date. Indoor air quality results at heights of 0.8m and 1.6m in rush hour and two operating conditions of public transport interchange station are calculated. Results have shown carbon monoxide concentrations at height of 0.8m are higher than those at height of 1.6m. Air quality would reach the harmful degree within 5min to 10min if the ventilation system is not operating. The ventilation system should be operated continuously during the peak hour in order to meet the requirement of indoor air quality standards.
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