Thermodynamic indexes of real driving conditions of gasoline and LPG fuelled engine

Authors

  • Ireneusz Pielecha Poznan University of Technology, Faculty of Machines and Transport, Poznan, Poland Author
  • Wojciech Cieślik Poznan University of Technology, Faculty of Machines and Transport, Poznan, Poland Author
  • Wojciech Bueschke Poznan University of Technology, Faculty of Machines and Transport, Poznan, Poland Author
  • Maciej Skowron Poznan University of Technology, Faculty of Machines and Transport, Poznan, Poland Author

DOI:

https://doi.org/10.5604/08669546.1225467

Keywords:

liquefied petroleum gas, combustion engine, thermodynamic indexes

Abstract

The aim of the conducted tests was to assess the method of delivering additional fuel dose in transient conditions and to determine the impact of this additional fuel dose on the engine operation conditions. The experimental tests were conducted in typical urban driving conditions. In the study was used system for indicating and acquisition of fast-varying data; the combustion pressure in the first cylinder of the 3-cylinder engine with spark ignition was measured, as well as the voltage on the petrol injectors and the liquefied petroleum gas injector. The post-processing analysis enabled defining engine operation indexes taking into account the aforementioned parameters. Also indicated mean effective pressure, the heat release rate and the amount of the heat released were analysed. In addition, the indexes of transient conditions of engine operation per one cycle were specified: change of the engine speed, of the maximum combustion pressure, of the indicated mean effective pressure and change of the heat release rate.

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Published

2016-12-31

Issue

Section

Original articles

How to Cite

Pielecha, I., Cieślik, W., Bueschke, W., & Skowron, M. (2016). Thermodynamic indexes of real driving conditions of gasoline and LPG fuelled engine. Archives of Transport, 40(4), 51-64. https://doi.org/10.5604/08669546.1225467

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