Joek856,
Just wanted to say thanks. My adjoint flux is calculated correctly and I'm able to study uncertain quantification and sensitivity analysis using the adjoint method. Greatly appreciated.
-taitae25
Hi joek856,
First, thanks a lot for the reply. I see for how to actually calculate the adjoint flux. That's a neat compact, concise way to put it. So with that given, does it mean that I have to solve this then using something similar to power iteration? Do I still iterate on the fission...
Sorry, I just can't get the LaTeX script to work but there should be a \chi_{0} right next to th \nu_{0} and \nu_{1} respectively, for the fast group diffusion equation (\phi_{0}). Please also note that this is my adjoint flux equaitons. So with the "k" known from the normal flux calculation...
Hi,
I'm new to the entire neutronics field. I've learned about adjoints as a physics student in undergrad and I'm doing nuclear engineering for my graduate studies. I understand how to derive the adjoint operator for the diffusion equation, but I'm a bit confused as to how to calculate the...
Ahah, I see the reason for encasing the apparatus in an lead shielding now. Tajmar et al. used an mu metal shielding around the measurement apparatus (cryostat) so the stray EM contributions were taken into account of. With their latest results, they nullified the effect due to the...
hey Nick, thanks for the reply again. As for your suggession on encasing the apparatus in a 50 mm thick lead, are you concerned of the vibrational issues? The laser gyro that Tajmar used was mechanically decoupled from the cryostat so they seemed to solve that issue. I've re-read their paper...
Hi Nick, thanks for your reply. I completely agree with your opinion. Although it seems like Tajmar et al. utilized air motors to induce the rotation (I'm guessing since electric motors will influence the accelerometers reading). They also semi-abandoned using accelerometers for this reason and...
I didn't read all the post, but it must also be understood that the "temperature" that we measure in the room is simply the "average" temperature of the air molecules. In reality, the temperature (or energy of the air molecules) is a distributed spectrum :) So my understanding of the average...
Hi there,
This is my first post and I am guessing I should post my question here at the astrophysics section so I'm doing so (admin, if you think the topic should belong somewhere else, please move it).
My question is with regards to the continued research conducted by Tajmar et al...