Effects of Combustion Chamber Deposits, Compression Ratio and Combustion Chamber Design on Power and Emissions in Spark-Ignition Engines

972886

10/01/1997

Event
International Fuels & Lubricants Meeting & Exposition
Authors Abstract
Content
Experimental results from three different single cylinder engines using the same fuel at different operating conditions and at different stages of build-up of combustion chamber deposits (CCD) are reported. Two of these engines have the same pent-roof, four-valve head but different compression ratios while the other has two valves and a much slower burn-rate. Increasing the compression ratio increases HC and NOx emissions correlate very well with peak engine pressure. The effects of CCD on combustion rate, power and emissions depend greatly on engine design and also on operating conditions.
Meta TagsDetails
DOI
https://doi.org/10.4271/972886
Pages
15
Citation
Kalghatgi, G., "Effects of Combustion Chamber Deposits, Compression Ratio and Combustion Chamber Design on Power and Emissions in Spark-Ignition Engines," SAE Technical Paper 972886, 1997, https://doi.org/10.4271/972886.
Additional Details
Publisher
Published
Oct 1, 1997
Product Code
972886
Content Type
Technical Paper
Language
English