PHYSICS IS POWER NUCLEAR FUSION BY NOOR FARHANA

PHYSICS IS POWER NUCLEAR FUSION BY NOOR FARHANA FADLI

WHAT IS THE NUCLEAR FUSION? ? ? � Nuclear fusion is said when two lights nuclei combine to form a heavier nucleus.

Knowing that……. � These fusion reaction are the basic reaction in the proton-proton cycle, believed to be one of the basic cycles by which energy is generated in the sun and other stars that contain an abundance of hydrogen. � All the reactions in the proton-proton cycle are exothermic.

Examples of proton-proton cycles :

Nuclear fusion energy � Nuclear energy is the energy that directly releases after controlled Atomic reactions. Nuclear power is obtained from release of nuclear energy, a type of nuclear technology involving the controlled use of nuclear reactions. � Nuclear energy does not produce smoke or carbon dioxide, so it does not contribute to the greenhouse effect.

Nuclear fusion reactor Fusion reactors have been getting a lot of press recently because they offer some major advantages over other power sources. They will use abundant sources of fuel, they will not leak radiation above normal background levels and they will produce less radioactive waste than current fission reactor. � In a fusion reactor, hydrogen atoms come together to form helium atoms, neutrons and vast amounts of energy. It's the same type of reaction that powers hydrogen bombs and the sun. � This would be a cleaner, safer, more efficient and more abundant source of power than nuclear fission. �

Nuclear fusion in the sun � The nuclear fusion at the Sun's core produces an enormous amount of energy that must be transported through the rest of the solar interior before it escapes through the solar atmosphere as radiation. The transport of energy occurs in different ways in different regions of the interior.

� The sun is 150 million kilometers away and yet it illuminates the surface of the earth. On it’s surface it has 6000 C°, at it’s core is 15 million C°. It loses 4 million tons of mass every second, that mass is turned into energy and we feel it as heat. The star’s energy comes from nuclear fusion. A process that has kept our sun burning for 5 billion years.

Nuclear fusion bomb � A fusion bomb is a bomb that splits apart atoms to cause a reaction. The hydrogen bomb, which is a type of a fusion bomb, has the atomic nuclei of deuterium and tritium, which are joined together and create helium by an uncontrolled nuclear fusion. The hydrogen bomb is about 500 times as powerful as the first fission bomb or the atomic bomb. The reaction can reach up to 72, 000 degrees Fahrenheit. This, as you can guess, causes a huge explosion and lots of damage.

� A nuclear weapon derives its destructive force from nuclear reactions of either nuclear fission or the more powerful fusion. As a result, even a nuclear weapon with a relatively small yield is significantly more powerful than the largest conventional explosives, and a single weapon can destroy or seriously disable an entire city.

Conclusion Nuclear fusion involves bombarding hydrogen atoms together to form helium. In the long run, nuclear fusion has greater potential than fission. � The potential amount of energy produced by fusion can greatly outweigh the fission. Initially, there are some disadvantages to fusion. The time and money required to develop technology needed to initiate, contain, and sustain a profitable fusion reaction is costly, but the development is still in its early stages and will continue to advance through the next century. � In conclusion, nuclear fusion has much more potential for long term use than the current fission reactors, even though in the short term it may cost a little more to develop. The small price to pay for development of fusion technology seems trivial in comparison to the price of the planet. �

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