1993-04-01

Effects of Operational Parameters on Structural Temperatures and Coolant Heat Rejection of a S. I. Engine 931124

This study reports the effects of various engine operational parameters and coolant conditions on the structural temperature distribution, and on the heat rejection to the coolant and to the lubricating oil of a 16-valve 4-cylinder engine. Included are comparisons of the cooling characteristics of the aqueous solution coolant with those of 100% ethylene glycol coolant. Lastly, an empirical equation for the coolant heat rejection of this engine is presented.

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