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http://dx.doi.org/10.12652/Ksce.2011.31.6D.749

Fuel Consumption Estimation Models for Heavy Freight Vehicles on Various Operating Speeds  

Oh, Ju Sam (한국건설기술연구원 SOC성능연구소 첨단교통연구실)
Eo, Hyo Kyoung (한국건설기술연구원 기반시설연구본부 첨단교통연구실)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.31, no.6D, 2011 , pp. 749-754 More about this Journal
Abstract
It is common that basic unit and model of fuel consumption have been used to evaluate effectiveness analysis of transportation infrastructure investment programs. However they could not reflect vehicle characteristics such as loading capacity and types of heavy vehicles. For these reasons, this study reviews convention fuel consumption model which is widely used and conducts a field experiment for 5 classes of heavy vehicles. To develop the fuel consumption quadratic model the field data are used and we develop each model by classes, and then compare with convention fuel consumption model. As a result, between convention and suggested model, there are considerable differences, which have a similar pattern between an 11-ton cargo of convention model and a 25-ton cargo type dump truck of the suggested model. Likewise we identify that there is an approximately 26% gap between convention model result and the result which is calculated a weighted average by registered number of heavy vehicles based on 5 types of fuel consumption model suggested in this study. This result implies that convention fuel assumption model has a realistic limitation.
Keywords
heavy freight vehicle; loading capacity; operating speed; fuel consumption; estimation model;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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