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mullig2

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Nuclear Fuel Cycles (class), Help
« on: Apr 10, 2009, 02:02 »
I spent two days on this problem, but still couldn't figure it out, I would appreciate any help.  Thanks
Q1:
A nuclear power plant operated for a year with a 69% capacity factor.  What is the burnup of the fuel if the core contains 95 tons of uranium and has been designed to produce 1200 MW(e) with a 32% efficiency? What will be the average burnup, over the life of the plant, if one-third of the core is replaced every year? Assume a 30-yr life for the plant, constant capacity factor, and efficiency.

Q2:
Prove that if a utility pays 1 mill/kWh(e) for disposal of spent fuel, it is equivalent to $253/kgU. Assume a burnup of 33,000 MWD/MTU and an average thermal efficiency of 32%.

Q3:
A utility is given the choice of paying 1.2 mill/kWh(e) for a spent fuel disposal fee or $300/kgU at 35,000 MWD/MTU burnup and 32% efficiency. Which choice is more economical?

Q4:
Is it possible for the availability and capacity factors to be equal? Explain your answer.  Take into account the real operating conditions of a reactor.

Offline LT Dan

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Re: Nuclear Fuel Cycles (class), Help
« Reply #1 on: Apr 10, 2009, 02:14 »


If you spent two days on these problems, perhaps you need to select a new major.

I doubt anyone here is going to do your homework for you.




Offline Gamecock

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Re: Nuclear Fuel Cycles (class), Help
« Reply #2 on: Apr 10, 2009, 02:26 »
Check this out for #2 and #3

Note:  Answers only provided because I'm bored today ;)
« Last Edit: Apr 10, 2009, 03:01 by Gamecock »
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Offline retired nuke

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Re: Nuclear Fuel Cycles (class), Help
« Reply #3 on: Apr 11, 2009, 08:06 »
Check this out for #2 and #3

Note:  Answers only provided because I'm bored today ;)

you are too good sometimes... ;)
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