【摘要】 在成渝高速公路龙泉山隧道内设监测点，对进入隧道内汽车排出的污染物浓度、交通量、车种以及气象条件进行采样分析、计数、分类和观测，根据实测数据，用建立的隧道空气质量方程计算出公路汽车平均单车污染物排放因子；最后用线性优化的方法求出了轻型车、中型车和重型车一氧化碳（ＣＯ）、碳氢化合物（ＨＣ）和氮氧化物（ＮＯｘ）综合排放因子。更多还原

【Abstract】 The measurements of the concentrations of the pollutants from the vehicles, the observations of meteorological conditions in the Longquanshan freeway tunnel and the classification of vehicles passed the tunnel are conducted. Based on the measured data, the average emission factors of vehicular pollutants are derived from the model of tunnel air quality. Finally, the pollutant emission factors of carbon monoxide (CO),nitrogen oxides ( NO x) and hydrocarbons (HC) for automobiles medium truck and heavy truck are solved by using the linear optimization.更多还原