It is summarized in figure 141, which is analogous to figure 2 for nuclear fission. Disadvantagesdifficult to dispose the radioactive waste from thenuclear fission reaction. Allow visitors to have an introduction to nuclear fusion and the energy it releases. Fission is nsa0322a pdf relatively easy to do, but also leaves us with lots of nuclear waste that must. More than 150 nuclearpowered naval vessels have been built, and a few radioisotope rockets have been.
Risk of accidents in nuclear reactorshigh cost of installation of. Providing energy from nuclear fusion is widely regarded as the grand engineering challenge of the twentyfirst century. What kind of fusion happened depended on how hot and dense the core is and how massive the star is. Aug 25, 2012 advantagesproduces tremendous energy from a small amountof nuclear fuel. Nuclear fusion is the energyproducing process taking place in the core of the sun and stars. Nuclear fusion is the process by which multiple nuclei join together to form a. Nuclear power accounts for 77% of electricity in france, 34. Throughout its life, a star generates new elements by fusing atoms. Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles neutrons or protons. At these temperatures, four hydrogen atoms fuse in a series of reactions to form a single helium atom and give off huge amounts of energy. Many researchers all over the world focus on ways of producing energy by recreating an artificial star on earth. Display the table of elements side of the banner andor pass out the table of elements handouts.
Nuclear fusion leaders role participants role anticipated objective. Global nuclear power industry in 2007, 14% of the worlds electricity came from nuclear power, from some 440 nuclear reactors. Fusion reactions the concept of nuclear fusion has been described in chapter 12. The difference in mass between the reactants and products is manifested as either the release or absorption of energy. Once the nuclear fuel is filled,the plant can go foryears together.
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