Performance and Emission Analysis of the Turbocharged Spark-Ignition Engine Converted to Natural Gas

Remo Dias Bahia de Carvalho; Ramón Molina Valle; Vander Ferreira Rodrigues; Francisco Ermelindo de Magalhães

doi:10.4271/2003-01-3726

2003-11-18

Performance and Emission Analysis of the Turbocharged Spark-Ignition Engine Converted to Natural Gas 2003-01-3726

In this work is proposed the installation of a turbocharger in a low dislocated volume engine, aiming to achieve a higher effective mean pressure and air fuel mixture density, for a better performance of the converted engine. This analysis is made through experimental tests in a break bench, following the Brazilian standard NBR ISO 1585. The results presented shows the basic behavior of the torque curves, power and gas emission, which reflects the changes in performance with both fuels for a aspirated and turbocharged engine, for all the engine rotation speeds. These results show the technical and economical viability of the conversion to Vehicular Natural Gas of a low cc engine, when adapted a commercial turbocharger kit.

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Performance and Emission Analysis of the Turbocharged Spark-Ignition Engine Converted to Natural Gas 2003-01-3726

SAE MOBILUS