oops pic didn't attach, try again On 20 October 2011 19:05, Robert Lynn <[email protected]>wrote:
> sparkyy0007 over at talk polywell did a basic FE analysis of the reactor > box, assuming 1/8th inch steel plate and 1bar internal pressure. > > http://www.talk-polywell.org/bb/viewtopic.php?t=3200&postdays=0&postorder=asc&start=1200 > But the attached picuture is a nice illustration of why engineers don't > build square pressure vessels, and why Rossi should listen to others. > > Note that the stress peak is over 80,000 - ie not safe for mild steel that > is probably OK to about half of that. Keep in mind that during the Sept > test the temp got as high as 133.5° - equivalent to 2bar of guage pressure > if it was saturated steam, also bending stresses are proportional to > 1/thickness³, so very sensitive to the plate thickness. > > >
<<attachment: stressx.jpg>>
