A model for vehicle fuel consumption estimation at urban operating conditions

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5 Scopus citations


A mathematical model for Estimation of vehicle fuel consumption on a 100 km interval at standard operating conditions is presented. Vehicle fuel consumption is presented via mathematical modeling for urban operating conditions. Vehicle fuel consumption is calculated separately for four different operating modes: average speed, accelerations, decelerations and idle mode. This approach was chosen due to the fact that a significant part of fuel consumption at urban conditions occurs at idle mode. The efficiency of the engine is expressed as a function of the speed mode of the engine and of the degree of power utilization of the engine. The adequacy and accuracy of the model is verified using experimental calculations. Moreover, it is shown that the effect of various design parameters on vehicle fuel consumption can be studied utilizing the proposed model.

Original languageEnglish
Pages (from-to)18-25
Number of pages8
JournalInternational Journal of Mechanics
Issue number1
StatePublished - 2013


  • Fuel economy
  • Urban driving cycle
  • Vehicle fuel consumption


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