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Determining Thermal Conductivity

Posted 30 août 2021, 13:56 UTC−4 Heat Transfer & Phase Change 1 Reply

Santosh Ghimire
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Hi, i am new to the comsol and the group. I am trying to find thermal conductivity of rock sample. I have thermal camera which i can use to determine the temperature of surface. I was thinking heating the rock for few minutes and record the temperature and perform some transient heat transfer simulation to find the thermal conductivity. Somebody told me i can input the range of thermal conductivity in the simulation in COMSOL. Has anyone give me insight. Thank you all in advance

1 Reply Last Post 31 août 2021, 11:54 UTC−4
Dave Greve
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Posted: 3 years ago 31 août 2021, 11:54 UTC−4

This is mostly an experimental question, and is therefore beyond the scope of this forum.

There are well-established experimental methods for the measurement of thermal conductivity. Usually finite element simulation is not required to interpret the results.

I suggest doing a literature search in your field looking for measurements of this type. These papers will mention the experimental technique used and then you can look up the (probably rather old) papers explaining the techniques.

This is mostly an experimental question, and is therefore beyond the scope of this forum. There are well-established experimental methods for the measurement of thermal conductivity. Usually finite element simulation is not required to interpret the results. I suggest doing a literature search in your field looking for measurements of this type. These papers will mention the experimental technique used and then you can look up the (probably rather old) papers explaining the techniques.

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