Nuclear Reactors
Nuclear reactors are devices that maintain nuclear reactions. They are used in creating power and elements.
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added What is the advantage of using a pressurised nuclear reactor to Nuclear Reactors 25 May 2012 10:26
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added How the nuclear reactors affect society to Nuclear Reactors 22 May 2012 02:28
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RoyRIt depends on critical mass. For uranium-235, at normal density, at 100% enrichment, a perfect sphere would be critical mass at...
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Fissionable material, that is, material with the ability to fission, occurs in some isotopes of heavy elements. The most useful...
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A_quick_answer:">A quick answer: The major advantage is economic: much more energy results from a small piece of fuel. Also...
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Nuclear reactors can be as small as a single room. There are many reactors that are less then 30 MW (a typical reactor is around...
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I'm not aware of any deaths which have been attributed to nuclear reactors in the US, Canada, or W Europe. What has happened in...
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Reactor control rods are made of a substance that absorbs neutrons.
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From wikipediaAntifreeze is used in internal combustion engines, and for many other heat transfer applications, such as...
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control rods.
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China Syndrome
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Sure, the most harmful isotopes will have decayed to safe levels in about 200 years. However its probably best to leave it as a...
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It is often useful as a coolant because it can absorb thermal energy without a large change in temperature.
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3.2 MI WSW of New London, CT Docket Number: 05000423 Operating License: Issued - 01/31/1986, Expires - 11/25/2025 Operator:...
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Usually, Uranium-235. Sometimes, in special applications, Plutonium-239. Note that naturally occurring Uranium is more than 99%...
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No, a nuclear reactor produces thermal energy and ionising radiation, no magnetic effects.
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Fast neutrons are used already in nuclear reactors that called fast nuclear reactors and/or fast breeder reactors.
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AnswerBreeder reactors are built so that they produce more usable fuel than they use.The nuclear reactor is different from the...
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Sizes vary for commercial nuclear reactors, an approximate size would be about 15 feet in diameter by 50 feet tall
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It can't explode like a nuclear bomb. It could have a steam explosion, as can any steam power plant. It is also possible for it...
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Passive means that something will happen on it's own, depending only on laws of physics, such as gravity or pressure...
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The sun actually is a giant nuclear fusion reactor, not fission like you see here on earth. The difference is that on earth, we...
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Most nuclear fallouts were caused by mismanagement of a nuclear reaction/reactor (such as chernobyl), though the Japanese...
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Most nuclear fallouts were caused by mismanagement of a nuclear reaction/reactor (such as chernobyl), though the japanese...
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Uranium-235 or Plutonium
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No. The sun produces energy by fusion. It is joining hydrogen atoms into larger helium atoms, which releases energy. Man-made...
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The KAMINI (Kalpakkam Mini) reactor is a Uranium-233 fueled, demineralized light water moderated and cooled, beryllium oxide...
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There is often small leakage from the fuel in reactor cores. A fuel bundle is made of 64 stainless steel tubes filled with fuel...
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Baals
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well its usually uranium 235 or plutonium they are both effective
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Water is pumped around the fuel rods.
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Similar to other thermal powerplants like coal, oil and gas, nuclear reaction creates heat which is used to turn water into...
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The nuclear reactor of a nuclear power plant is usually considered to be the core and the pressure vessel in which it is encased....
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the nuclear power generates electricity that can help us in our daily lifes, and in this date without electricity life would be...
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Usually Uranium 235 but sometimes Plutonium 239
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Well, scientists have been researching fusion reactors for over 50 years, but nuclear fusion is much more difficult to achieve...
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In a nuclear power plant, the nuclear reactors are (generally) fission reactors that split atoms (of nuclear fuel) through a...
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No, it is not simple!!
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In the most severe reactor accident, the fuel will melt and, due to radioactive decay heat, will continue to be very hot. In...
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India's First Nuclear Reactor was Apsara. It was also the first nuclear reactor in Asia. Apsara went critical at Bhabha Atomic...
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In most reactors in the world, water is used to absorb heat released from the reactor.
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Well, simply put, both are nuclear reactors. A breeder reactor is one which instead of losing it's neutron production to capture...
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Most reactors use water as a coolant, but many other materials have been used: liquid metals like Lithium, Sodium, Potassium,...
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A nuclear weapon requires highly enriched U-235 or Pu-239, whilst reactors usually don't contain fuel with more than 5 percent...
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please help
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for pressurized light water reactor type, as an example, the nuclear reactor components are Reactor vessel (that contains the...
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Light water, heavy water. Also graphite
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fission
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At some level, yes it did. It has managed to hit a very large area and will for years to come.
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As far as I know, reactors come in different sizes, producing different amounts of power, so you would expect the amount...
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A meltdown is probably about the most catastrophic failure of the core of a nuclear reactor that can be experienced. We need to...
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The energy released by a nuclear reaction, especially by fission or fusion. Nuclear energy regarded as a source of power. Also...
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31 people were killed in the immediate accident and 1,800 children have thus far been diagnosed with thyroid cancer. In a study...
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Zirconium melting point is 1855 deg C (fuel cladding). Uranium dioxide melts at 2800 deg C. Thus the fuel cladding could only...
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Transport number is the fraction of the total current carried by a given ion in an electrolyte
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An assembly of fissile fuel (U-235 or PU-239) arranged in a geometric array. The assembly can be made to go critical such that a...
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Uranium and Plutonium atoms require nuetrons moving at a certain speed, with a certain amount of kenetic force, to fission...
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The primary use of nuclear reactors is to produce electricity, which is the only way to use nuclear energy on a large scale....
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Discovery is the wrong term, it was visualised and built by a team under Enrico Fermi, 1942
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For the PWR, the reactor core which is an array of fuel assemblies, inside a very strong pressure vessel made of thick steel. The...
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The fuel rods in a nuclear reactor, whether they are cylindrical or flat plates, are designed with two purposes. The first is to...
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Neutrons are produced in every fission of a U-235 nucleus, and the reactor is designed so that the number of neutrons in the...
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Not as fuel, but it can be used in breeder reactors as breeding material to make fissile Uranium-233.
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Electricity is made at a nuclear power station by creating a controlled nuclear chain reaction, fission, in the reactor core....
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A nuclear reactor has basically one useful product that we can apply, and that's heat. We generally pump the primary coolant,...
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The Japanese nuclear power plants, Fukushima I and Fukushima II, were both reported as experiencing failures. First, the former...
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That depends on the power rating of the reactor.
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Proper matianance, management, insulation, and protection.
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This is a link to the model of a CANDU reactor. http://en.wikipedia.org/wiki/Image:CANDU_Reactor_Schematic.svg This is a link...
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The first artificial nuclear reactor was Chicago Pile-1 (CP-1), which was constructed at the University of Chicago. It was built...
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The material used to slow down high-speed neutrons in a reactor is called the moderator. The moderator in a pressurized water...
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I suggest you would need to ask one of the companies operating nuclear plants. "The short answer is, "it depends." NRC licensed...
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I make it 104 on the NRC website (operating units, that is)
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Neutron radiation (usually from a source such as Americium) strikes the atoms of a fissionable material (such as Uranium,...
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The first nuclear reactor was built in 1942.
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We use nuclear fission in nuclear reactors to tap nuclear energy.
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The Chicago Pile-1 was the nuclear reactor where the first controlled fission chain reaction occurred. The United States...
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Fuel for a nuclear reactor is either mined and processed or syntheticaly produced using an operating nuclear reactor. Uranium is...
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Nuclear fission, not to be confused with fusion.
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Hot gas in a reactor is usually cooled in a heat exchanger adjacent to the core. In gas-cooled reactors, the circulated gas acts...
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You are asking for a lot in one question! For thermal reactors there are replies available. Ask 'What are the advantages of...
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It is not possible for a nuclear reactor to explode in the way a nuclear bomb does, because the fissionable part of the fuel is...
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What is the primary function of a Moderator in a nuclear reactor
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The moderator is there to slow down the neutrons produced by fission. These are produced with high energy, that is they move...
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This depends very much on the type of reactor. PWR's operate at a high pressure in the primary circuit to prevent boiling, and...
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The first sustained Nuclear Reaction was in CP-!, a pile of Uranium and Graphite blocks assembled by a team under the supervision...
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Uranium, but it is actually in oxide form, UO2
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It wasn't exactly discovered, but developed and built as part of the WW2 Manhattan project, to build the A-bomb.
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The control rods include some material that strongly absorbs neutrons-boron is the most common though others like cadmium are...
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1942, the first demonstration reactor as part of the Manhattan Project
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First you have to build the right sort of reactor. You don't use large power reactors like PWR or BWR, because they have very...
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The suns nuclear reactions happen at extremely high temperatures, while we do it at lower temperatures Helium for Study Island
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In short: no. Probably the biggest explosion danger in a nuclear reactor is chemical. During the Three Mile Island incident,...
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