High loading produces cracks - NAE
On Wed, May 7, 2014 at 11:18 PM, Jed Rothwell <[email protected]> wrote: > <[email protected]> wrote: > > >> One thing I take issue with (more with standard practice in the CF >> community >> than with Jed in particular) is the use of the volume of the cathode in >> calculating energy density. Since the actual source of energy is likely >> to be >> the Hydrogen in the water, not the actual cathode metal . . . > > > Some people say the hydrogen is not very mobile once the reaction starts > up. What you have in the cathode is what there is. The hydrogen at the > surface comes off, but most of the hydrogen in the bulk stays put. > Obviously that is true in heat after death or with gas loading. > > Then again, McKubre says flux is important, so who knows. > > If Ed is right and the reaction occurs only at the surface, then there > would be rapid exchange with hydrogen in the water. What I do not > understand about that hypothesis is: Why is high loading important, in that > case? > > - Jed > >
