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arfc / msbr-reproc

holds a paper describing an MSBR online reprocessing demonstration.
BSD 3-Clause "New" or "Revised" License
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Confusing #15

Closed katyhuff closed 6 years ago

katyhuff commented 6 years ago

I think the opposite of this statement is true.

When the graphite temperature increases, the density of graphite decreases creating additional space for fuel salt.

I believe this is true:

When the graphite temperature decreases, the density of graphite decreases creating additional space for fuel salt.

andrewryh commented 6 years ago

@katyhuff I cannot agree. I didn't find T vs density plot in Robertson but here is one for some graphite: dependence-of-the-relative-density-of-pyrolytic-graphite-on-temperature-in-comparison_w640 Reference: https://www.researchgate.net/publication/320995261_Experimental_investigation_of_linear_thermal_expansion_of_pyrolytic_graphite_at_high_temperatures

In fact, I have taken a linear expansion coefficient from Robertson (1.3E-6 1/K) and calculated new volume of the element for higher temperature 1000K. It was larger than for 900K.

Probably, I just didn't understand your point, please, clarify.

katyhuff commented 6 years ago

Sorry -- I was being an idiot and thought 'volume' rather than 'density'. Of course you're correct.

andrewryh commented 6 years ago

No worries, it happens with me all the time! :D