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Global Journal of Pure and Applied Sciences

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Effect of gasket of varying thickness on spark ignition engines

K.T Ajayi, S.O Abudu

Abstract


In the study of Toyota, In-line, 4 cylinders, spark ignition engine using gaskets of varying thicknesses (1.75mm, 3.5mm, 5.25mm, 7mm and 8.75mm) between the cylinder head and the engine block, the performance characteristics of the engine was investigated via the effect of engine speed on brake power, brake thermal efficiency, volumetric efficiency and exhaust temperature. To evaluate the performance characteristics for definite gasket (GK) thickness, the engine was operated between 200 – 4000 rpm, under steady state condition. The investigation reveals worsening engine performance with increasing gasket thickness though with improved volumetric efficiency for any given speed range.

KEYWORDS: Brake thermal efficiency, volumetric efficiency, Exhaust temperature




http://dx.doi.org/10.4314/gjpas.v16i2.62847
AJOL African Journals Online