汽车空调对汽车污染物排放及油耗的影响
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摘要
对试验车辆进行不同环境状态下的NEDC测试,分析汽车空调附加污染物排放和油耗情况,结果表明:开启空调会导致车辆污染物排放及油耗不同程度的增加,在环境温度30℃,光照强度850 W/m~2,空调设置温度为22℃时,油耗增加1.78～3.43 L/100 km,污染物排放量增加0.002～0.138 g/km。环境温度对汽车空调附加油耗的影响最为明显,光照强度次之;环境温度每增加5℃,空调附加油耗升高0.2～0.3 L/100 km;光照强度每增加100 W/m~2,空调附加油耗升高0.07～0.09 L/100 km。
The New European Driving Cycle(NEDC)test is conducted on the tested vehicles under different environmental conditions,and the additional emissions and fuel consumption for vehicle air-conditioning are analyzed.The results show that it will result in vehicle emissions and fuel consumption increasing in different degrees with air-conditioning(AC)on.When the ambient temperature is 30℃,the light intensity is 850 W/m~2,and the AC setting temperature is 22℃,the fuel consumption is increased by 1.78-3.43 L/100 km,and the emissions is increased by 0.002-0.138 g/km.The ambient temperature has the most obvious effect on the additional fuel consumption of AC,followed by the light intensity;the ambient temperature increases by each5℃,it will lead to the increment of 0.2-0.3 L/100 km in the additional fuel consumption of AC;the light intensity increases by each 100 W/m~2,it will lead to the increment of 0.07-0.09 L/100 km in the additional fuel consumption of AC.
The New European Driving Cycle(NEDC)test is conducted on the tested vehicles under different environmental conditions,and the additional emissions and fuel consumption for vehicle air-conditioning are analyzed.The results show that it will result in vehicle emissions and fuel consumption increasing in different degrees with air-conditioning(AC)on.When the ambient temperature is 30℃,the light intensity is 850 W/m~2,and the AC setting temperature is 22℃,the fuel consumption is increased by 1.78-3.43 L/100 km,and the emissions is increased by 0.002-0.138 g/km.The ambient temperature has the most obvious effect on the additional fuel consumption of AC,followed by the light intensity;the ambient temperature increases by each5℃,it will lead to the increment of 0.2-0.3 L/100 km in the additional fuel consumption of AC;the light intensity increases by each 100 W/m~2,it will lead to the increment of 0.07-0.09 L/100 km in the additional fuel consumption of AC.
引文
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[3]CFR Title 40 Chapter I Part 86§86,1869-12,CO2credits for off-cycle CO2-reducing technologies[S/OL].http:∥www.ecfr.gov/cgi-bin/text-idx?SID=3c7a01f0bf 8375057e581df8a7a3c7be&node=se40.19.86_11869_612&rgn=div8.
[4]EC Directorate-General Climate Action.Technical guidelines for the preparation of applications for the approval of innovative technologies pursuant to regulation(EC)No443/2009 of the European parliament and of the Council[R].2013.
[5]SAND J R,FISCHER S K.Total environmental warming impact(TEWI)calculations for alternative automotive air-conditioning systems[R].Detroit,Michigan:1997 SAE International Congress.SAE,1997.
[6]FISCHER S K.Comparison of global warming impacts of automobile air-conditioning concepts[R].Washington D C:1995 International CFC and Halons Alternative Conference.1995.