欧Ⅱ、欧Ⅲ、EPA排放测试时底盘测功机的道路行驶阻力模拟

2005/1064EPASimulationofRoadResistanceonChassisDynamometerwhenGivingEmissionTestsAccordingEuroI,EuroandEPAWangSheng(ChinaJialingGroupCo.,Ltd.TestingCenter)3131231F=a+bv+cv2F=a+bv+cv2bF=a+bv2FNaNbN/km/h2vkm/h2ababab2300,N5002050801001,km/h250200150100cv20bva103040607090300,N5002050801002,km/h250200150100F=a+bv20bv2a103040607090652005/10ECER40/GB146222003/77/ECEPAGB1462231125mL115kg75kg190kga)1GB1462250km/h1.02kWPv50=kv3Pv50kvv=50km/hk=Pv50/v3=1.02/503=0.00000816GB1462250km/hab=k3600F50=a+bv2=k3600502=73.44Nb)22003/77/ECa=0.088Rb=0.000015R+0.200R50km/hF50=a+bv2=0.088190+(0.000015190+0.2)502=73.85Nc)3EPAF50=a+bv2=7.81+0.0249502=70.06N350km/h0.55%EPA5%30100km/h331)50km/h32)EPA65km/h3)50km/hEPAIII150km/h50km/h0.55%2EPA3II4EPAEPA2005-06-02350.00,N50.0002050801003,km/h300.00250.00200.00150.000.00EPA103040607090100.00