更好的乘用车燃油经济性的延伸:一个关键的看(1)。

Q3 Engineering 汽车工程 Pub Date : 1997-08-06 DOI:10.4271/972658

C. Amann

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引用次数: 15

摘要

副标题:“构建块”方法检查了负责车辆燃油经济性的关键参数的相对影响，这些参数包括动力系统效率、车辆质量、空气动力阻力、滚动阻力、附件负载和制动能量回收。研究发现，在其他参数的合理水平下，实现80 MPG PNGV燃油经济性目标所需的发动机效率将是一项艰巨的挑战。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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THE STRETCH FOR BETTER PASSENGER CAR FUEL ECONOMY: A CRITICAL LOOK (I).

SUBTITLE: A "BUILDING BLOCK" APPROACH EXAMINES THE RELATIVE INFLUENCES OF KEY PARAMETERS RESPONSIBLE FOR VEHICLE FUEL ECONOMY -- THESE INCLUDE POWERTRAIN EFFICIENCY, VEHICLE MASS, AERODYNAMIC DRAG, AND ROLLING RESISTANCE, ACCESSORY LOAD, AND THE RECOVERY OF BRAKING ENERGY: IT WAS FOUND THAT FOR REASONABLE LEVELS OF THE OTHER PARAMETERS, THE ENGINE EFFICIENCY REQUIRED TO ACHIEVE THE 80 MPG PNGV FUEL-ECONOMY TARGET WILL BE A DIFFICULT CHALLENGE.

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