Abstract
The conditions of use of the vehicle significantly affect the performance results. Traffic conditions in a specific city directly affect the consumption of energy, fuel and emissions of harmful compounds in exhaust fumes. Conduction of the measurements of a vehicle’s performance parameters in operating conditions is very troublesome and is often not possible to realize. An alternative is to use the simulation programs. Vehicle simulation programs offer options related to vehicle models or drive unit components and allow development of new models. Based on the results of simulation testing, it is possible to analyse the level of fuel and energy consumption as well as emissions of harmful compounds in exhaust gases and the operating effectiveness of the drive system in the speed profile. The paper presents the evaluation of the effectiveness of using hybrid electric drive system in passenger cars in medium-sized city traffic conditions using the Kielce example. The simulation tests were based on the speed profiles recorded during real-world test drives in various times of the day. The simulation results were used to conduct an analysis of fuel consumption and pollutant emissions recorded by conventional and hybrid vehicles.
Highlights
Vehicles equipped with hybrid drive system are becoming more and more popular
The authors collaborated with 95 vehicle owners: 74 – with conventional drive units equipped with gasoline engines and 24 – with hybrid drive units
Based on the results of simulation of selected vehicles, the following parameters were used for further analysis: average fuel consumption and emission: PMx, CO and NOx
Summary
The technological solutions used in them are subject to continuous development Both individuals and companies are increasingly willing to purchase this type of vehicles. Recognition and specification of the operating conditions of a hybrid vehicle allows for more precise estimation of fuel and energy consumption as well as emissions of harmful compounds in exhaust fumes. This is important, because the traffic intensity and type of road (city centre streets, suburban streets, highways), topography or ambient temperature affect the values of the aforementioned performance parameters. The authors collaborated with 95 vehicle owners: 74 – with conventional drive units equipped with gasoline engines and 24 – with hybrid drive units
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