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Abstract |
Increasing the Efficiency of SI-Engines by Spark-Advance Control and Water Injection
Engine efficiency can be maximized by directly measuring
in-cylinder parameters and adjusting the spark advance, using a
feedback scheme based on the ionization current as sensed variable.
Water injection is shown to increase the engine efficiency, if at
the same time the spark advance is also changed when water is
injected to obtain maximum efficiency. A spark-advance control
scheme, that takes the water injection into account, is thus
necessary to increase the efficiency.
Lars Eriksson and Lars Nielsen
1998
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Senast uppdaterad: 2021-11-10
