I'm looking at project investigating thermal dissiplation around circular and square concrete piles, resting in a homogeneous material (soil) using two-dimensional finite element analysis.(adsbygoogle = window.adsbygoogle || []).push({});

I'm applying a transient thermal loading cycle to the centre of the concrete pile over a 7-day test period. At the end of the test cycle, I am able to plot a horizontal temperature gradient in the soil surrounding the pile. However, I was wondering if there is a means by which I can approximate the heat flux/heat flux density from the temperature graident, given the thermal conductivity, heat capacity and material density?

The main problem that I have is that magnitude of the applied load is varied between 12-25[tex]^{o}[/tex]C over the course of the test cycle.

Any advice would be greatly appreciated. . .

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# Transient conductive heat flow using finite element method

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