Expert opinion, indeed. Not bad enough that the box is black but we're reacting to a secret report shown only to Levi, the contents of which can only be guessed at?
Sent from my iPhone. On Apr 20, 2011, at 0:14, "Jones Beene" <jone...@pacbell.net> wrote: > Robin. > > My initial reaction is that the assumptions could be way off. > > > The delta-T of 500K is too large, and the wall thickness of 2 mm is thin for > this application. There could be other problems too. > > For 25 bar pressure, how are you going not to get by with 2 mm walls - more > like 6. If the temp gradient is like more like 300 - which would be water at > 350 K and interior at 650K, and the wall is 6mm - this might be more accurate. > > Next, the actual conductance is some fraction of maximum in practice, due to > surface oxidation on one or both sides. Not sure where to go for that > information. > > > This is where an expert opinion comes in handy. All in all, don't you think > it conceivable that this reactor runs at an order of magnitude less maximum > heat transfer, and the average could even be a fraction of that? > > Jones > > > -----Original Message----- > From: mix...@bigpond.com [mailto:mix...@bigpond.com] > Sent: Tuesday, April 19, 2011 8:48 PM > To: vortex-l@eskimo.com > Subject: Re: [Vo]:RE: Rothwell goes into brain freeze - Thermal power.pdf > > In reply to Jones Beene's message of Tue, 19 Apr 2011 08:27:37 -0700: > > Hi, > > [snip] > > >.plus, stainless conducts heat so poorly that a 5 KG reactor would > > >surely melt before that rate of energy release could be sustained for > > >15 minutes anyway - do you really doubt that? > > Please see attached. > > Regards, > > Robin van Spaandonk > > http://rvanspaa.freehostia.com/Project.html
