Estimate the total amount of U-235 needed to operate a 600. MWreactor for one ye
ID: 1671807 • Letter: E
Question
Estimate the total amount of U-235 needed to operate a 600. MWreactor for one year assuming e = 40% and that each fissionproduces 200. MeV. Find the Energy needed in Joules per year and Fissions neededper year to produce the energy?please show how you got the answers.
Estimate the total amount of U-235 needed to operate a 600. MWreactor for one year assuming e = 40% and that each fissionproduces 200. MeV. Find the Energy needed in Joules per year and Fissions neededper year to produce the energy?
please show how you got the answers.
Explanation / Answer
Power P = 600 MW
Energy needed per second E = 600 MJ
Energy released per fission E ‘ = 200 Mev = 200 * 10^ 6 * 1.6 * 10 ^ -19 J
= 320 * 10 ^ -13 J
Energy needed per ear E “ = 1 year * E
= 365 * 24 * 3600 * E
=1.89216 * 10 ^ 10 MJ
= 1.89216 * 10 ^ 16 J
Effiency e= 40 % = 0.4
So, energy released from uranium E “ ‘ = E “ /0.4
= 4.7304 * 10 ^ 10 MJ
= 4.7304 * 10 ^ 16 J
No.of fissions N =E “’ / E ‘
= 1.47825 * 10 ^ 27
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