Development of a new combustion system (MCA-JET) in gasoline engine
Conference
·
OSTI ID:6629437
A new combustion system--called MCA-JET--has been developed to improve combustion under the low speed, low load conditions typical of urban driving. Engines with this new system incorporate a special ''jet valve'', in addition to the inlet and exhaust valves of the conventional combustion chamber, which directs air or a super-lean mixture towards the spark plug, and induces a strong swirling flow in the cylinder. This swirl persists during the compression and expansion processes, moves the mixture spirally and helps the flame to propagate. As a result, the combustion of lean mixtures, including those with exhaust gas recirculation, can be carried out rapidly and thus the fuel economy improved.
- OSTI ID:
- 6629437
- Report Number(s):
- CONF-780208-48
- Country of Publication:
- United States
- Language:
- English
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