Study of the impact of route parameters on fuel consumption by buses in urban conditions
Keywords:
bus route, fuel consumption, transportation cost, mathematical model, fuel balance, traffic mode, speed of connectionAbstract
The work is devoted to improving the efficiency of passenger transport by studying the impact of route parameters on bus fuel consumption in urban conditions. Bus fuel consumption is a major component of transport costs and has a significant impact on fare setting, so the results obtained also have economic and social implications. It was found that one of the main technological indicators affecting bus fuel consumption is the number of stops on the route, since during acceleration and braking, more than 50% of fuel is spent on overcoming inertia. Based on the fuel balance equation, a mathematical model was developed to investigate the impact of the number of stops on bus fuel consumption, taking into account the number of passengers in the cabin. The results of the modelling (using the example of a typical city bus route in Dnipro) allowed us to draw conclusions about the nature of the impact of the number of stops per 1 km of route and the average length of the journey on bus fuel consumption. An empirical relationship was also obtained, which allows establishing a correlation between these parameters and information about the basic linear fuel consumption rate of vehicles. The presented results also allow assessing the technological and economic benefits of introducing more efficient bus modes of operation (e.g., express) in urban conditions.
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