Surface Layer Which Reduces the Octane Number Requirement and ORI in Gasoline Engines

952392

10/01/1995

Event
1995 SAE International Fall Fuels and Lubricants Meeting and Exhibition
Authors Abstract
Content
The surface of the combustion chamber is intended to absorb electromagnetic radiation from the flame at frequencies that coincide with the resonant absorption frequencies of the fuel. This prevents resonant energy transfer to the fuel, avoiding or suppressing formation of undesired radicals.
The surface consists of two layers, one absorbing layer on the top and one second layer functioning as a transient heat buffer.
The following advantages have been observed:
  • Reduced octane number requirement of the engine.
  • The ORI (Octane Requirement Increase) does not increase after the running, due to less deposits.
  • Increased performance with low octane fuels through advanced ignition timing.
  • The limit for run-away knock occurs later at high load.
  • Lower HC emissions.
Meta TagsDetails
DOI
https://doi.org/10.4271/952392
Pages
11
Citation
Wicén, J., Mattsson, C., Niklasson, R., and Rindegard, B., "Surface Layer Which Reduces the Octane Number Requirement and ORI in Gasoline Engines," SAE Technical Paper 952392, 1995, https://doi.org/10.4271/952392.
Additional Details
Publisher
Published
Oct 1, 1995
Product Code
952392
Content Type
Technical Paper
Language
English