In reply to Jed Rothwell's message of Tue, 05 May 2009 10:49:05 -0400: Hi, [snip] >I would appreciate it if someone could check my arithmetic. > >Roulette data from: > >http://lenr-canr.org/acrobat/RouletteTresultsofi.pdf > >UO2 data from ANS and the source Terry found. > > > >1 pellet of UO2 fuel weighs 7 g and produces as much as 3.5 bbl of oil. >3.5 bbl = 147 gallons. >As 131 MJ/gallon that's 19,257 MJ/pellet or 2,751 MJ/g UO2 > >1 g of oil produces 0.042 MJ > >Roulette used cylindrical cathodes 100 x 2 mm = 0.314 cm3 >Density of Pd = 12.023 g/cm3 >So that's 3.77 g per cathode, about half of the 7 g fuel pellet > >Roulette reported the longest run of 158 days (5 months), with 294 MJ >output. That's 78 MJ/g. >That is 35 times less than UO2. It is 1,857 times more than oil. > >To put it another way, if Roulette had left this cathode running for >15 years, instead of 5 months, it would have produced 10,385 MJ, or >about as much as 3.77 g of UO2 (a half-pellet). The average operating >cycle for UO2 (the EFPD) is about 400 days, I think.
Since the fuel is actually D not Pd, I think the whole comparison using the mass of the cathode is fundamentally wrong. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/Project.html

