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[BBC] Japan to scrap stricken nuclear reactors - Page 10

post #91 of 92
Quote:
Originally Posted by Bennylava View Post
Question: Why were the reactors by the sea, in a land where the word "Tsunami" comes from?
Because it's an excellent way to dump the heat generated by the plant. Under normal operation, water is first heated to be 400+C steam by the reactor before passing through a turbine. As it passes through the turbine it expands and cools back to 100-150C (still steam). This water must be cooled further before re-entering the reactor (to <50C), and so there is still a large amount of heat to be dissipated. This is usually done with a cooling tower, the iconic symbol of nuclear power. These are expensive to build are have several drawbacks. If you position the plant near a large body of water such as an ocean, lake or river you can simply dump the heat into that body of water, which is much more reliable than a cooling tower, while also being cheaper.
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post #92 of 92
Japan is toast. The place is rapidly becoming uninhabitable. People are rumor mongering that the industry elites there are going to move to china's undeveloped islands which will be developed for them and they will be charged 10 percent of what they produce for rent.
Nobody is likely paying any rent there any more and yen is likely to crash before long.
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Overclock.net › Forums › Industry News › Technology and Science News › [BBC] Japan to scrap stricken nuclear reactors