RESEARCH ON THE PISTON DYNYMICS OF A FREE PISTON GASOLINE ENGINE LINEAR GENERATOR UNDER VARIOUS IGNITION TIMINGS

Chendong Guo*, Zhengxing Zuo, Boru Jia*, Yidi Wei, Huihua Feng, Tong Roskilly

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

The free-piston engine linear generator (FPELG) has the high thermal efficiency and simply structure. Thus, it is investigated by many researcher groups. However, many researchers main focused on the FPELG characteristics from the simulation results. Therefore, in the paper, the piston dynamics and the combustion characteristics of the gasoline FPELG from the experimental results were investigated. The experimental results demonstrated that the piston TDC is 32.2mm, the peak velocity is 5.3m/s and the frequency is 32.8Hz. And it is found that the optimal ignition timing of the free-piston engine is between 27.5 mm and 28 mm.

Original languageEnglish
JournalEnergy Proceedings
Volume6
Publication statusPublished - 2019
Event11th International Conference on Applied Energy, ICAE 2019 - Västerås, Sweden
Duration: 12 Aug 201915 Aug 2019

Keywords

  • Free piston gasoline engine
  • linear generator
  • piston dynamics
  • various ignition timings

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