SEDL / STP / STP887-EB / STP32984S

A Review of Factors Influencing Coolant-Metal Interfaces in Engines

O'Callaghan, TM
consultant engineer, 9 Milden Gardens, Frimley Green, Camberley, Surrey,

Pages: 15    Published: Jan 1986

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Abstract

The importance of the cooling system is often not recognized in an engine development program and the coolant used is not always compatible for good cooling system operation. The main crux in any engine cooling system is good heat transfer from metal to coolant and, therefore, it follows that the hot engine metal to coolant interface surfaces should be kept clean. A review is made of the factors affecting heat transfer and the part the antifreeze/inhibitors play in preventing any heat barrier.