A comparative study of emission motorcycle with gasoline and CNG fuel

A comparison of the exhaust emissions of the engine running gasoline and Compressed Natural Gas have been performed in this study. A gasoline engine 4 stroke single-cylinder with volume of 124.8 cc and compression ratio of 9.3:1 was converted to a CNG gaseous engine. The fuel injector was replaced w...

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Bibliographic Details
Main Authors: Sasongko, M. N., Wijayanti, W., Rahardja, R. A.
Format: Conference Proceeding
Language:English
Subjects:
Air flow
Air-fuel ratio
Carbon dioxide
Carbon monoxide
Comparative studies
Compressed gas
Compressed natural gas
Compression ratio
Cylinders
Emission analysis
Exhaust gases
Flow velocity
Fuel injection
Gasoline
Gasoline engines
Motorcycles
Natural gas
Natural gas vehicles
Rangefinding
Solenoid valves
Stoichiometry
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Summary:A comparison of the exhaust emissions of the engine running gasoline and Compressed Natural Gas have been performed in this study. A gasoline engine 4 stroke single-cylinder with volume of 124.8 cc and compression ratio of 9.3:1 was converted to a CNG gaseous engine. The fuel injector was replaced with a solenoid valve system for injecting CNG gas to engine. The concentrations of CO, CO2, O2 and HC in the exhaust gas of engine were measured over the range of fuel flow rate from 25.32 mg/s to 70.22 mg/s and wide range of Air Fuel Ratio. The comparative analysis of this study showed that CNG engine has a lower HC, CO2 and CO emission at the stoichiometry mixture of fuel and air combustion. The emissions increased when the Air-Fuel ratio was switched from the stoichiometry condition. Moreover, CNG engine produced a lower HC and CO emission compared to the gasoline for difference air flow rate. The average of HC and CO emissions of the CNG was 92 % and 78 % lower than that of the gasoline
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4943433