Comments (4)
Sounds good to me!
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Just had a small realization on this: decay heat precursors will be producing around 7% of the heat even in steady-operation. This would skew power distribution further from the stationary fuel distribution. Coming up with heating values for each group, dividing the groups, and determining decay constants wouldn't be easy, but we may be able to deduce something for a one group decay heat precursor transport approach from something @andrewryh mentioned earlier today:
1.4 Mw of heat is generated in the fuel outside the nominal core volume
So, we may be able to approximate the decay constant, fission yield, and heating value given this information combined with other parameters like flow velocity and external loop volume. This could be the source of our error in the fast flux that the reviewer mentioned. Also, it could be skewing the peak temperature in the graphite away from the documented MSRE axial position.
from moltres.
from moltres.
You'd get temperature distribution skewed to be hotter at the top. This makes the axial midplane colder than originally, thus shifting fission rate to be higher in the axial midplane, so you get higher fast flux. I suppose only the silicon will tell the truth, in the end. (although it may be late)
from moltres.
Related Issues (20)
- Replace the Nt action with a more intuitive name
- Tutorial issues
- Add additional installation instructions HOT 1
- Remove deprecated MOOSE code HOT 7
- moltres_xs.py maybe not compatiable with the newest version of OpenMC
- Removing unused params
- Replace deprecated NodalMaxValue
- Fix removal cross section generation in moltres_xs.py from OpenMC data
- where is the k-eff definition? HOT 1
- Add postprocessor for calculating neutron leakage
- CIVET: 'Mirror scheduled' failure
- Make PrecursorAction compatible with velocity vector variables derived from INSAD
- Welcome to Moltres Discussions! HOT 8
- Create a CI test for building documentation HOT 1
- Rename convoluted object names for clarity
- Extend PrecursorAction to support modeling with higher order precursor variables
- Add documentation on neutron diffusion theory on the Moltres website
- Compilation issue on MacOS with clang HOT 2
- Add override keyword to computeQpOffDiagJacobian in INSBoussinesqBodyForce
- Allow users to choose among Marshak, Mark, and Milne vacuum boundary conditions
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