Essay on nuclear power pdf

As of February 2012, there are safety concerns about concrete degradation at the plant. Concrete surrounding an electric control tunnel at the nuclear plant has lost almost 22 percent of its strength and is showing signs of an alkali–silica reaction (ASR) because of more than a decade of ground-water infiltration, according to an NRC inspection report released in May 2011. A growing chorus of local politicians is "urging the Nuclear Regulatory Commission to halt the relicensing process for Seabrook Station until a long-term solution is implemented." [13]

Reactors derived from designs for propelling submarines and large naval ships generate about 85% of the world’s nuclear energy mainly the pressurized water reactor (PWR). Classification by generation l to IV is also another type of reactor, classification by phase of fuel is another valuable reactor this comprises of solid fuel, fluid fuel and gas fuel. PWR heat the water surrounding the nuclear fuel keeping the water under pressure to avoid boiling. It is then pumped to a second vessel which boils to make steam that is then used to generate electricity.

Introduction
Nuclear energy represents only 15% of the electricity produced worldwide. Though in France, 80% of its electricity production is from nuclear energy and more than one-fourth of electricity in Europe comes from nuclear energy. Nuclear energy represents a very small percentage in many countries’ total electricity production, but this percentage is likely to go up in the coming years. Nuclear power is generated using Uranium, a mineral of which one of the isotopes, U- 234 is unstable. The nucleus breaks down resulting in the emission of heat and radiation followed by a chain reaction. This is called nuclear fission and this process liberates a large amount of energy, but the process also releases radiation which is very dangerous.

Unlike Hiroshima, Nagasaki lies in a series of narrow valleys bordered by mountains in the east and west. The bomb exploded about 500 m. (1,625 ft.) above the ground and directly beneath it (the hypocentre) was a suburb of schools, factories, and private houses. The radius of destruction for reinforced concrete buildings was 750 m. (2,437 ft.), greater than at Hiroshima where the blast caused by the bomb was more vertical. But because of the topography, and despite the Nagasaki bomb being more powerful, only about sq. km. ( sq. mi.) of Nagasaki was reduced to ashes compared with 13 sq. km. (5 sq. mi.) of Hiroshima. Of the 51,000 buildings in the city % were completely destroyed or burt, with % escaping any damage.

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Essay on nuclear power pdf

essay on nuclear power pdf

Unlike Hiroshima, Nagasaki lies in a series of narrow valleys bordered by mountains in the east and west. The bomb exploded about 500 m. (1,625 ft.) above the ground and directly beneath it (the hypocentre) was a suburb of schools, factories, and private houses. The radius of destruction for reinforced concrete buildings was 750 m. (2,437 ft.), greater than at Hiroshima where the blast caused by the bomb was more vertical. But because of the topography, and despite the Nagasaki bomb being more powerful, only about sq. km. ( sq. mi.) of Nagasaki was reduced to ashes compared with 13 sq. km. (5 sq. mi.) of Hiroshima. Of the 51,000 buildings in the city % were completely destroyed or burt, with % escaping any damage.

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