Effect of Driving Conditions and Auxiliaries on Mileage and CO 2 Emissions of a Gasoline and an Electric City Car

Paper #:
  • 2014-01-1812

Published:
  • 2014-04-01
DOI:
  • 10.4271/2014-01-1812
Citation:
Donateo, T., Ingrosso, F., Bruno, D., and Laforgia, D., "Effect of Driving Conditions and Auxiliaries on Mileage and CO2 Emissions of a Gasoline and an Electric City Car," SAE Technical Paper 2014-01-1812, 2014, https://doi.org/10.4271/2014-01-1812.
Pages:
13
Abstract:
This investigation describes the results of an experimental and numerical research project aimed at comparing mileage and CO2 emissions from two different commercial versions of Daimler AG Smart ForTwo car: conventional (gasoline) and electric (ED). The investigation includes numerical simulations with the AVL CRUISE software package and on-board acquisitions. A data acquisition system has been designed for this purpose and assembled on board of the Smart ED. The system is composed by a GPS antenna with USB interface, two current transducers, a NI-DAQ device and a netbook computer with a LabView-VI. This system provided on-board information about driving cycle and current flows, gathered simultaneously by GPS, transducers and NI-DAQ. The system was also used to evaluate the losses of energy during the recharge of the electric car. The two cars have been tested over a wide range of driving conditions related to different routes, traffic conditions and use of on-board accessories (i.e. Air Conditioning and radio). The CO2 emissions have been evaluated with a Well-to-Wheel approach.
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