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《汽车理论》课程教学课件(英文讲稿)第2章 汽车燃油经济性 Fuel Economy 2.1 Evaluation Index(评价指标)

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《汽车理论》课程教学课件(英文讲稿)第2章 汽车燃油经济性 Fuel Economy 2.1 Evaluation Index(评价指标)
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Chapter 2Fuel Economy汽车的燃油经济性2.1EvaluationIndex(评价指标)2.2CalculationofFuel ConsumptionofVehicle(汽车燃油经济性的计算)(汽车燃油经济2.3InfluenceFactorsofFuelEconomy性的影响因素)

Chapter 2 Fuel Economy 汽车的燃油经济性 2.1 Evaluation Index(评价指标) 2.2 Calculation of Fuel Consumption of Vehicle(汽车 燃油经济性的计算) 2.3 Influence Factors of Fuel Economy (汽车燃油经济 性的影响因素)

DefinitionofFuel Economy(汽车燃油经济性定义):The capacity to finish the unit transportationloadwith minimum fuel consumption underguaranteeingthepowerenough在保证动力性的条件下,汽车以尽量少的燃油消耗量经济行驶的能力

Definition of Fuel Economy (汽车燃油经济性定义): The capacity to finish the unit transportation load with minimum fuel consumption under guaranteeing the power enough. 在保证动力性的条件下,汽车以尽量少 的燃油消耗量经济行驶的能力

2.1 Evaluation Index(评价指标)单位里程燃油消耗量QFuelconsumptionquantityper unit distance(L/100km)Fuel consumption单位运输工作燃油消耗量quantity per unit distanceQt (L/t - 100km)and unit work load

2.1 Evaluation Index (评价指标) 单位里程燃油消耗量Qs (L/100km) 单位运输工作燃油消耗量 Qt( L/t·100km) Fuel consumption quantity per unit distance Fuel consumption quantity per unit distance and unit work load

NoteIn USAMPG (miles per gallon)1 mile~1.609 km; 1gallon=3.785(liter)1 L/100km ~ 235.2/MPG数American cars20~30 MPG →7.84~11.76L/100kmJapanesecars28~40 MPG 5.88~8.4L/100km(Prius:33km/L)

Note In USA MPG(miles per gallon) 1 mile≈1.609 km;1gallon=3.785(liter) 1 L/100km ≈ 235.2/MPG数 American cars 20~30 MPG →7.84~11.76L/100km Japanese cars 28~40 MPG →5.88~8.4L/100km (Prius:33km/L)

Prius of Toyota福PRIUS

Prius of Toyota

Prius of ToyotaGPRIUS車雨型式ZA-NHW20-AHEGBTOYOTA PRIUSG電子制御式無段变速57kW(77Ps)/5.000r.p.m温最高出力长4.445mm最小回版半糕5.1m全laartcoe2052wm50kW(68Ps)/1.240r.P.moruntLongtt三之宁北水集常池动力用主電池型式幅1.725mm图全N-MH BalteriesEa115Nm(11.7kgm)/4.200r.p.m■最大十儿勺raliWidtei工艺型式1NZ-FXENotMaTorgue400Nm(40.8kg-m)/01.200r.D.mo2Mo高1.490mm喝全Engine TypierallHeight本10-151一卡准付(国土空通者惠重位燃料消费氛量1.496g33.0km/起服格排#个一元个一×2.700mm10-15ModeFuelEoonomy员莱车定5名毛一多一型式3CM两重量1.270kgaingCaoacin最高最搭载状体)燃料消费率法定的九赋映条件の值。实際の走行时让走行案件燃料消费率护翼九了更¥2257.500~¥2698,500全国希望小壳伍格希望小壳俩格带(北海道·冲耀地区老除)¥2.150.000~¥2.570.000(消赞税拔¥2.530.500格参考仙格寸。格仁安进取摄小版无店仁#限合力世下文入多千十名中交损用工具等素套、税全(除消费税)·保料,登锁阳保费有上(消费税拔¥2.410000)才之用用品含为世人■内装色孔一儿-1力(8M6)■一■展车以装BOOKVEM)(一/勺仆二夕一楼能付)七外女¥241500(消费税拔吉¥230.000)SRS寸个仆工/寸&一一工户/¥63.000(消费税拨60.000)取极版壳店:全国三店小三入外店TOYOTA

Prius of Toyota

1. Constant Speed Mode二09Bora:constantspeed fuel[,-(w00)1] /consumption81.8L76.4M/7.0A/90km/h8.5M/9.2A/120km/h1.8T32116.1M/7.0A/90km/h0801202060100408.7M/9.2A/120km/hua/(km·h-l)图2-1汽车等速百公里燃油消耗量曲线

1. Constant Speed Mode Bora: constant speed fuel consumption 1.8L 6.4M/7.0A/90km/h 8.5M/9.2A/120km/h 1.8T 6.1M/7.0A/ 90km/h 8.7M/9.2A/120km/h

2.Driving Cycle Mode(ECE)1) EconomicCommissionforEurope欧洲城市:2XECE-R.15循环等速:2km2.026km120km/hG-y.wy)/en(r-y.wy) /en(-y.uy) /en90km/l1001001005050500002001t/s在汽车测功器或在路上试验热起动,在汽车测功器上试验混合=ECE+=×90km/h+=×120km/h一333

1 1 1 ECE 90km / h 120km / h 3 3 3 混合      2. Driving Cycle Mode 1) Economic Commission for Europe (ECE)

2(EPA)EnvironmentalProtectionAgency美国城市:UDDS.17.85km(-y.uy)/en11III10050W020040080010002004006001200t/sL为冷起动,IⅡ为热起动,在汽车测功器上试验公路:HWFET.16.4kmG-y.wy)/en100500400200600t/s热起动,在汽车测功器上试验Compositivefuel economy0.550.45Cyclerunfuel economyHighway cyclefuel economy

1 Compositive fuel economy 0.55 0.45 Cycle run fuel economy Highway cycle fuel economy   2) Environmental Protection Agency (EPA)

3)Relevant laws and regulations of China6050(-y.uy)/en4030125175250250250250Is/m14.018.016.315.011.321.5t/s23561411工况序号商用车六工况图图2-2测量汽车燃油经济性的行驶工况

3) Relevant laws and regulations of China

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