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Lean Burn-A Rational Approach to Emission Control
Technical Paper
825021
Sector:
Language:
English
Abstract
This paper describes the application of lean-burn technology to
various world automobiles. Lean-burn technology reduces exhaust
emissions without incurring an energy penalty. Three current
Australian-built automobiles were modified under the auspices of
the Australian Institute of Petroleum using a simple lean-burn
induction system. The results were lower HC and CO emissions
without increasing fuel consumption ~ two of the modified cars had
lower fuel consumption.
Recent work in Europe has shown that the addition of a fast-burn
combustion process to lean-burn technology can further reduce fuel
consumption while maintaining lower emissions. Work on a 1.3 litre
European car combined increased swirl and higher compression ratio
with the lean-burn system to further reduce fuel consumption while
retaining the low exhaust emissions achieved by the lean-burn
system.