Propose a Model for Predicting the Vehicle Fuel Consumption in Freeways

Safiarian, Milad; Mansourian, Ahmad; Sarkar, َAlireza

Propose a Model for Predicting the Vehicle Fuel Consumption in Freeways

Document Type : Original Article

Authors

¹ M.Sc., Student, Department of Highway and Transportation Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.

² Associate Professor, Department of Bitumen and Asphalt, Road, Housing and Urban Development Research Center, Tehran, Iran.

³ Assistance Professor, Department of Highway and Transportation Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.

Abstract

Studies show that of all petroleum products, a significant share (about 30%) is allocated to gasoline consumption; therefore, proper management of vehicle fuel consumption can have positive effects on economic and environmental aspects. In the present study, in order to investigate the effect of the pavement roughness and the longitudinal slope on fuel consumption, the pavement roughness and the longitudinal slope of three freeways including Tehran-Saveh, Tehran-Karaj and Tehran-Qom freeways, were measured in one hundred sections using a road surface profiler. Furthermore, by installing a Bluetooth diagram on the test vehicle, the amount of the fuel consumption was recorded for each section. Statistical analysis of the data showed that the pavement roughness and the longitudinal slope increase the vehicle fuel consumption significantly. In this study, an equation was proposed to predict the fuel consumption of the vehicles on freeways. According to the proposed equation, Fuel consumption increases 2 percent when International roughness index increases 1m/km.

Keywords

20.1001.1.17353459.1399.17.3.10.1

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