History
of Sir Isaac Newton
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Textbooks
on heat transfer generally refer to Newton's law of cooling but they give
no details of Newton's experiment. His explanation of why he thought
the law was correct, and the experiment that he did to confirm it, are
still of interest. It is worth stressing that he did not write his law
down in the form of an equation nor did he define or use the heat transfer
coefficient. He was however the first to postulate that the rate of loss
of temperature of a hot object, with air blowing past, is proportional
to the temperature itself. A simple extension of his explanation
of why the law works is used to derive a result close to accepted modern
equations for heat transfer coefficient.
To find out more about Newton and his life click here .
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