Studies on Performance, Combustion and Exhaust Emission Characteristics of Copper Coated Two Stroke Spark Ignition Engine with Alcohol Blended Gasoline

S.NARASIMHA, KUMAR (2014) Studies on Performance, Combustion and Exhaust Emission Characteristics of Copper Coated Two Stroke Spark Ignition Engine with Alcohol Blended Gasoline. In: International Conference on Advances In Mechanical, Aeronautical and Production Techniques - MAPT 2014, 02 - 03 August, 2014, Kuala Lumpur, Malaysia.

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Abstract

Investigations were carried out to evaluate the performance of two-stroke, single cylinder spark ignition (SI) engine with alcohol blended (80% gasoline, 10% ethanol and 10% methanol by volume) having copper coated combustion chamber [copper-(thickness, 300 μ) coated on piston crown, and inner side of cylinder head]. Performance parameters [brake thermal efficiency, exhaust gas temperature and volumetric efficiency] and Exhaust emissions of CO and UBHC were determined at various values of brake mean effective pressure of the engine, combustion characteristics [peak pressure, maximum rate of pressure rise, time of occurrence of peak pressure and maximum heat release] and aldehydes were measured by wet chemical method at full load operation of the engine. A microprocessor-based analyzer was used for the measurement of CO/UBHC in the exhaust of the engine. Comparative studies were made on performance parameters, combustion characteristics and exhaust emissions with conventional and copper coated SI engine with pure gasoline operation. Copper-coated combustion chamber (CCCC) showed improved performance, combustion parameters and reduced pollutants when compared with conventional engine (CE) with both test fuels. Catalytic converter with air injection significantly reduced pollutants with test fuels on both configurations of the engine. The catalyst, sponge reduced the pollutants effectively with both test fuels in both versions of the engine.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: S.I .Engine, Copper coating, Performance, combustion characteristics
Depositing User: Mr. John Steve
Date Deposited: 28 May 2019 09:25
Last Modified: 28 May 2019 09:25
URI: http://publications.theired.org/id/eprint/2850

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