-----Original Message----- From: Abd ul-Rahman Lomax > Heat transfer is limited by surface area, but the "surface area" for a Rossi cell might be very high. You cannot judge it by the gross volume. What if the cell is constructed with many channels?
Not by the volume alone, correct. This is/was precisely the crux of the issue in the original argument we were having early on - before the name-calling began - and the precise reason that I sent along the picture of the Mills/BLP reactor for comparison. It does have the proper cooling via copper tubing - but it is much larger in order to accommodate the copper windings. The total weight of the Rossi unit was stated to be 30+KG of which the greatest part was lead shielding, and of the remaining, about half was the chimney and half the reactor and its copper jacket. The weight of the reactor and contents then has an upper limit of about 10 KG, and the wall thickness is prescribed by the internal pressurization (35 bar in the patent) which demands a minimum safe thickness, since temperatures go above 600 C. Now you can parse all of this information and look at the images of the size of the reactor which are small - and estimate how much weight of material for 'many channels' is possible. The report which I was made aware of did this, and as you can see - I am far from being an expert in thermodynamics, so it is not my conclusion, but nevertheless - it should be a part of the record. anyway, it was claiming that there was neither room nor extra mass for fins or channels. I listed that as the caveat. Rossi also says the water flow is straight thru. If the heat generation rate would be 30+ kcal/sec as you state and a flow rate of a liter per second and a delta T of ?? then it should be possible to guesstimate the surface area necessary, for those variables - given the known conductivity of stainless. Would you agree so far ? Jones
