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http://dx.doi.org/10.7855/IJHE.2011.13.4.167

Comparison of Fuel Consumption Estimation for Passenger Cars  

Yoo, In-Kyoon (한국건설기술연구원 도로연구실)
Kim, Je-Won (한국건설기술연구원 도로연구실)
Lee, Su-Hyeong (한국건설기술연구원 도로연구실)
Ko, Kwang-Ho (아주자동차대학 자동차학부)
Publication Information
International Journal of Highway Engineering / v.13, no.4, 2011 , pp. 167-175 More about this Journal
Abstract
Evaluation of fuel consumption for the various road condition and vehicle type is necessary to perform the economic analysis of road construction which is important for the efficient design and management of road. Economic analysis of road should consider the social cost which can be divided into agency cost including initial construction expense, maintenance cost, and so on, and user cost consisting of vehicle operating cost, congestion cost, etc. Since vehicle operating cost depends on the traffic volume, fuel consumption that is a major part of vehicle operating cost will change by traffic volume as well. Fuel consumption is significantly affected by vehicle speed and road condition, especially the roughness. Thus, fuel consumption should be evaluated in terms of road condition, which is not currently considered. In this study, the estimation model of fuel consumption for the passenger cars in Korea has been developed by considering the road condition. First, the relationship between vehicle speed and fuel consumption that is used to calculate the vehicle operating cost for investment evaluation of transportation facility and the initial feasibility study of road construction was investigated. Second, with the consideration of road roughness, fuel consumption of the passenger car was measured. From the measurement, it was found that fuel consumption increased by $80m{\ell}$ per 100km driving as the roughness increased by 1m/km. Therefore, it is recommended that for the economic analysis of road design and management, the fuel consumption should be a function of road roughness.
Keywords
fuel consumption; vehicle operating cost; roughness; road management;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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