• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology

Article

Indian Journal of Science and Technology

Year: 2016, Volume: 9, Issue: 35, Pages: 1-6

Original Article

Study of Exhaust Gas Temperature of S I Engine using Water Injection

Abstract

Objectives: In this paper an experimental study is carried out to reduce the exhaust gas temperature of a Spark Ignition (SI) engine by injecting water in the intake manifold. Methods/Statistical Analysis: The reduction of exhaust gas temperature decreases the NOx emissions. To achieve this, an experimental setup was fabricated to spray water using a small compressor at the intake manifold. A solenoid valve is used to regulate the water injection; the solenoid valve was in turn controlled by an electrical circuit. The temperature of exhaust gas was measured continuously using ‘J’ type thermocouple and digital temperature indicator. Findings: Injection of water just after the carburettor in the intake manifold reduced the overall temperature of the cylinder due to higher latent heat of vaporization. As the temperature inside the cylinder is reduced, harmful emissions such as NOx and CO are reduced thus bringing down the pollution to a greater extent. Applications/Improvements: In order to reduce the pollution caused due to automobile emission can be controlled by injection of water in the intake manifold.
Keywords: Exhaust Gas, Reduction, SI Engine, Temperature Emission Reduction, Water Injection

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