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change in volume of material during heating

change in volume of material during heating

change in volume of material during heating

(OP)
dear all,

I have doubt in thermal expansion of tube. if I heat a tube of 1m length,
why the increase in length is higher than the increase in thickness?
what will be the ratio of length to thicknes change in tube?

RE: change in volume of material during heating

If your tube wall is also 1m thick, then the change in wall thickness for a given change in bulk temperature should be similar to the change in length if the tube is made from a typical metal. If the tube material is unconstrained and heated uniformly, then it should experience a consistent linear thermal expansion rate in all directions.

RE: change in volume of material during heating

Quote:

what will be the ratio of length to thicknes change in tube?
The same as the ratio of length to thickness in original tube

rp

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