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Determine Fourier Number

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Compare two identical steel spheres, except the first has a two inch diameter while the second sphere has a four inch diameter. The larger sphere will have a Fourier number approximately:

a) half that of the smaller sphere

b) four times larger than that of the smaller sphere

c) twenty-five percent of the value of that of the smaller sphere

d) the Fourier numbers will be identical

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Solution Summary

This solution determines the Fourier number with a sphere of diameter 2cm and justifies the answer. Two identical steel spheres are analyzed.

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The Fourier nNumber of the objects keeping all other parameters same is inversely dependent on the square of the length of the heat ...

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