汽车轻量化
汽车轻量化
汽车发展 1886 1908 1927 1950 Karl Benz' Henry Ford's General Motors' Motorwagen Model T- LaSalle Began First Automobile First Affordable Modern Era Automobile of American Automotive Styling
汽车发展 Karl Benz’ Motorwagen – First Automobile Henry Ford’s Model T – First Affordable Automobile General Motors’ LaSalle Began Modern Era of American Automotive Styling
GTO 1968 1967 a 1958 o
汽车发展 "Safety" "Oil "Gotta have" PRODUCT Focus Shock" Design returns Annual Model Change ↓↓ Design Is King 1950 1960 1970 1980 1990 2000 -300,000 50,000- Units/Models 100,000 Units/Models √Reduced Emissions Improved Fuel Economy Reduced Fatal Crashes Improved Affordability
汽车发展 ü Reduced Emissions ü Improved Fuel Economy ü Reduced Fatal Crashes ü Improved Affordability
汽车轻量化 F FxtFL+EstF 40 1空气动力阻力 混合动力 F=P eAv2 2 2滚动阻力 1 直喷汽油机 4加速阻力 普通汽油机 Fk回g.cosa Fs-mgfsin a F。k回a 5 G-m.g 500 1000 1500 2000 2500 3梯度阻力 车重kg 汽车自身质量对燃油消耗的影响 各类车型的燃油效率与车身自重的关系 除空气动力学阻力之外，车子运动的各类 诸多乘用车，车重减少100kg, 每升油多行驶1km 阻力都和车子质量呈线性关系
汽车轻量化 除空气动力学阻力之外 ,车子运动的各类 阻力都和车子质量呈线性关系 汽车自身质量对燃油消耗的影响 各类车型的燃油效率与车身自重的关系 诸多乘用车，车重减少 100 kg, 每升油多行驶 1 km