1963-01-01

Heat Transfer and Engine Cooling, Aluminum versus Cast Iron 630455

Despite earlier experience in the use of aluminum for automobile cylinder heads, little data were available in connection with metal temperatures of aluminum versus cast iron in operating engines. This paper is concerned with extensive testing of both types of material and shows the feasibility of all-aluminum engine blocks and cylinder heads, with the aluminum engine operating at lower temperatures under varying conditions of speed, coolant, fuel, and similar factors.

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