OR, the materials in the stack of his flat plate reactor include a thermal resistance material. It doesn't have to be an air gap to provide the thermal resistance that would allow the fuel to be at a different temperature than the molten lead.
On Sun, Feb 28, 2016 at 1:09 PM, David Roberson <[email protected]> wrote: Bob made an interesting video but I believe that his thoughts about melted > lead surrounding the active cells are incorrect. It is much more likely > that these core cells are operating at a very high external temperature of > over 1000 C and radiation to a low temperature surface is the main escape > path for the generated heat. > > Rossi has stated that the actual temperature of the output heated > water/steam is highly variable. This is easy to achieve if radiation is > the main thermal path. The surface that collects that radiation can then > conduct it to the water where the temperature of the cooling water is > established by adjusting its flow rate. If you desire a higher coolant > temperature you would slow down its flow rate so that more heat is absorbed > per kilogram during its pass through the system. > > Also, having radiation as the main heat flow path from the core allows > Rossi to use much less activation heating power. If a lead conductor such > as that discussed were used then far more heat would be needed in order to > raise the temperature of the active cells. That is counter to achieving a > good COP. > > All of my models support what I am proposing and I have pointed it out > several times on this site in the past. One glance at Parkhomov's > experimentation and results clearly show that he achieved the most gain and > instability(associated with too much positive feedback) when he covered the > system with an insulating or reflecting material. > > Dave >
