Simulation study of SI-HCCI transition in a two-stroke free piston engine fuelled with propane

Hung Nguyen Ba, Ocktaeck Lim, Norimasa Iida

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

A simulation study was conducted to examine the transition from SI combustion to HCCI combustion in a two-stroke free piston engine fuelled with propane. Operation of the free piston engine was simulated based on the combination of three mathematical models including a dynamic model, a linear alternator model and a thermodynamic model. The dynamic model included an analysis of the piston motion, based on Newton's second law. The linear alternator model included an analysis of electromagnetic force, which was considered to be a resistance force for the piston motion. The thermodynamic model was used to analysis thermodynamic processes in the engine cycle, including scavenging, compression, combustion, and expansion processes. Therein, the scavenging process was assumed to be a perfect process. These mathematical models were combined and solved by a program written in Fortran. To validate the mathematical models, the simulation results were compared with experimental data in the SI mode. In addition, the effects of key parameters such as equivalence ratio, load resistance, intake temperature and intake pressure on the transition from SI combustion to HCCI combustion were investigated. The simulation results showed that the transition was successful if the equivalence ratio, load resistance, intake temperature, and intake pressure were adjusted appropriately.

Original languageEnglish
Title of host publicationSAE Technical Papers
PublisherSAE International
Volume1
DOIs
Publication statusPublished - 2014
EventSAE 2014 World Congress and Exhibition - Detroit, MI, United States
Duration: 2014 Apr 82014 Apr 10

Other

OtherSAE 2014 World Congress and Exhibition
CountryUnited States
CityDetroit, MI
Period14/4/814/4/10

Fingerprint

Free piston engines
Propane
Scavenging
Thermodynamics
Mathematical models
Pistons
Dynamic models
Engines
Temperature

ASJC Scopus subject areas

  • Automotive Engineering
  • Safety, Risk, Reliability and Quality
  • Pollution
  • Industrial and Manufacturing Engineering

Cite this

Nguyen Ba, H., Lim, O., & Iida, N. (2014). Simulation study of SI-HCCI transition in a two-stroke free piston engine fuelled with propane. In SAE Technical Papers (Vol. 1). SAE International. https://doi.org/10.4271/2014-01-1104

Simulation study of SI-HCCI transition in a two-stroke free piston engine fuelled with propane. / Nguyen Ba, Hung; Lim, Ocktaeck; Iida, Norimasa.

SAE Technical Papers. Vol. 1 SAE International, 2014.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nguyen Ba, H, Lim, O & Iida, N 2014, Simulation study of SI-HCCI transition in a two-stroke free piston engine fuelled with propane. in SAE Technical Papers. vol. 1, SAE International, SAE 2014 World Congress and Exhibition, Detroit, MI, United States, 14/4/8. https://doi.org/10.4271/2014-01-1104
Nguyen Ba H, Lim O, Iida N. Simulation study of SI-HCCI transition in a two-stroke free piston engine fuelled with propane. In SAE Technical Papers. Vol. 1. SAE International. 2014 https://doi.org/10.4271/2014-01-1104
Nguyen Ba, Hung ; Lim, Ocktaeck ; Iida, Norimasa. / Simulation study of SI-HCCI transition in a two-stroke free piston engine fuelled with propane. SAE Technical Papers. Vol. 1 SAE International, 2014.
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