Experimental investigation on Zirconia coated high compression spark ignition engine with ethanol as fuel

Abstract

This study presents effect of coating on piston, cylinder head, and valves on the performance of a modified four stroke diesel

engine using wet ethanol (5% water) as a fuel and emission characteristics of exhaust gas. Zirconia, which has low thermal

conductivity, high temperature resistance, chemical inertness, high resistance to erosion, corrosion and high strength, was selected

as a coating material for engine components. Ethanol was sprayed in inlet manifold and spark plug was erected on engine head to

facilitate ignition. Engine’s performance was studied for both wet ethanol and diesel with and without Zirconia coating. Also,

emissions values were recorded to study the engine’s behavior on emissions.