Performance evaluation of a small spark-ignited engine with an electromagnetic intake valve

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C. Paenpong
N. Pratoomchai

Abstract

The aim of this project was to design and fabricated opening intake valve system of spark-ignited engine by the electromagnetic.  The comparative performance of small spark-ignited engine between the electromagnetic intake valve engine and reference engine with the air mass flow rate, volumetric efficiency, indicated mean effective pressure, brake mean effective pressure, brake specific fuel consumption, indicated thermal efficiency and brake thermal efficiency at engine speed of 1200, 1500, 1800 and 2100 rpm and throttle opening of 25, 50 and 75 % wide open throttle. From experimental, it was found that the EMIV system can be used for application in an internal combustion engine. Moreover, the air mass flow rate, volumetric efficiency, indicated mean effective pressure, brake mean effective pressure, indicated thermal efficiency and brake thermal efficiency of the electromagnetic intake valve engine is lower than that from reference engine, but the brake specific fuel consumption of the electromagnetic intake valve engine is more than that from reference engine.

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RESEARCH ARTICLES

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