Stratified Torch Ignition Engine: Performance Analysis

Paper #:
  • 2016-36-0379

Published:
  • 2016-10-25
DOI:
  • 10.4271/2016-36-0379
Citation:
Filho, F., Teixeira, A., da Costa, R., Baêta, J. et al., "Stratified Torch Ignition Engine: Performance Analysis," SAE Technical Paper 2016-36-0379, 2016, doi:10.4271/2016-36-0379.
Abstract:
Global climate change and an increasing energy demand are driving the scientific community to further advance internal combustion engine technology. Invented by Sr. Henry Ricardo in 1918 the torch ignition system was able to significantly decrease engine’s fuel consumption and emission levels. Since the late 70s, soon after the Compound Vortex Controlled Combustion (CVCC) created by Honda, the torch ignition system R&D almost ceased due to the issues encountered by very complex and costly mechanic control systems that time. This work presents a stratified torch ignition prototype endowed with a sophisticated electronic control systems and components such as electro-injectors from direct injection systems placed on the pre-combustion chamber. The torch ignition prototype was tested and its performance are presented and compared with the baseline engine, which was used as a workhorse for the prototype engine construction. The torch ignition prototyped showed a significant performance improvement in the fields of BSFC, thermal and combustion efficiency.
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