Performance and Emission Predictions for a Multi-Cylinder Spark Ignition Engine with Catalytic Converter

1978 ◽  
Author(s):  
P. C. Baruah ◽  
R. S. Benson ◽  
H. N. Gupta
Keyword(s):  
Catalytic Converter ◽  
Spark Ignition ◽  
Spark Ignition Engine ◽  
Performance And Emission

Effect of sucrose catalyst in the catalytic converter on performance and emission of spark ignition engine

2021 ◽  
pp. 1-25
Author(s):  
S Sathyanarayanan ◽  
S Suresh ◽  
M Sridharan
Keyword(s):  
Conversion Efficiency ◽  
Catalytic Converter ◽  
Spark Ignition ◽  
Spark Ignition Engine ◽  
Si Engine ◽  
Lean Burn ◽  
Performance And Emission ◽  
Toxic Emission ◽  
Fuzzy Logic Expert System ◽  
Nox Conversion Efficiency

Abstract In this study, experimental attempts are made to reduce exhaust gas toxic emission from the spark ignition (SI) engine. For this, a sucrose catalyst is coated inside the metallic substrate. The obtained emission level was compared with the results of commercial catalysts for lean-burn operations. The engine was operated at 20%, 40%, 60%, 80% and 100% loads and the highest NOx conversion efficiency of 60.217% at 40% engine load and 70.732% of HC conversion efficiency at 100% engine loadwas achieved. Exhaust emissions from the sucrose-coated catalytic converterare observed as lower than the conventional commercial converter. Also, this paper attempts to predict the emission characteristics of both rigskept under observation using a fuzzy logic expert system (FLES). Both the input and output responses from the real-time SI engine is used to train and test the proposed FLES. The FLES proposed in this study can predict the emission characteristicsof both conventional and sucrose coated catalytic converter with an accuracy of 97%.

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