The water may need to be preheated to give the reactor a chance to warm up. Without the preheating, the reactor won't have enough heat to reach a self-sustaining reaction.
harry > >From: Axil Axil <[email protected]> >To: [email protected] >Sent: Thu, April 21, 2011 7:32:23 PM >Subject: Re: [Vo]:Strange position of heater in mini-Rossi device > > >http://www.nyteknik.se/incoming/article3144960.ece/BINARY/Download+the+repor >t+by+Kullander+and+Ess%C3%A9n+%28pdf%29. > >Water is in the copper pipes. > >The reaction kicks off when the water temperature hits 60C. This must be the >same for the outside reactor structure. > >This fact does not defeat the basic logic of the external heater premise. > > >On Thu, Apr 21, 2011 at 5:57 PM, Jed Rothwell <[email protected]> wrote: > >I wrote: >> >> >>I suppose you could not use it for this purpose if the water is flowing. > > >>For that matter, I suppose the whole problem vanishes if we assume they only >>use >>the heater when the water is not flowing. No details of the operational >>procedures have been released. For all we know, they turn off the flow while >>"firing up" the cell. >> >> >>They did tell me they test the flow calorimetry before turning on the cell. >>That >>is to say, they make sure the inlet and outlet temperatures are the same. >>That >>does not mean they do not momentarily turn off the flow while starting up the >>cell. >> >> >>If that is how they do it, the configuration could just as easily be a cell >>inside, with the water normally flowing around it. Not a torus. When the >>outside >>jacket is drained, there is an air gap between the copper and stainless steel >>cell. I think heat from the heater would reach the cell. Or, as Axil >>suggests, >>the outside heater could serve as a blanket while the inside heater does most >>of >>the work. >> >> >>The only problem arises when you suppose the water is flowing the whole time, >>because that would carry off the heat from the outside heater, and prevent it >>from heating the inside cell. >> >> >>- Jed >> >> >
