Renewable Energy : Alternative Energy

Nuclear power plants use heat created by nuclear reactions to heat water and create steam which turn turbines to produce power.

In the disadvantages of hydro-energy, dams are extremely expensive to build, and must have high standards. People living in villages and towns that are in the valley to be flooded, must move out. This means that they lose their farms and businesses. In some countries, people are forcibly removed so that hydropower schemes can go ahead. (Technologystudent.com, 2015). Building dams can also create natural disasters such as earthquakes.

Is it possible to live without energy? Lately, the consumption of energy is increasing due to the growth of the world population. In this technological era where all the devices work by using energy, the new humankind challenge is providing sufficient amounts of energy. At Yale University, Dr. Ronald Smith teaches some courses in the areas of meteorology, oceanography, fluid mechanics, atmospheric physics, applied mathematics, mesoscale dynamics, environmental remote sensing. In The Atmosphere, the Ocean and Environmental Change lecture “Renewable Energy” (2012), Smith focuses his attention on build an overview of renewable energy and its ways of generation. Smith also does an excellent job in explain each mechanism to obtain renewable power, including the wind energy, the solar energy, and the biomass energy.

Alternative energies are the future of power. They will be the power that will sustain human life until the end. This is why the United States government should invests more towards the research and use of alternative energies. Alternative energies are any energy that will replace fossil fuels. Some common alternative energies are solar, wind, hydroelectric, geothermal, hydrogen, and biofuels. The U.S. should use those alternative energies over fossil fuels, Petroleum (oil), coal, and natural gas. We currently have ways to store and use these types of energies but the ways we have are not the most effective. That is why the U.S. should fund the research of better ways to harvest and use these alternative energies.

Nuclear energy is gathered by the process of splitting uranium atoms. By splitting these atoms, there is some mass loss, and this mass can then be used as energy. This process is called fission. The heat from this fission is used to turn water into steam, and this steam turns the turbine generator in a reactor, which produces energy. Nuclear power plants have many advantages when compared to other renewable energy sources.

Everyone uses a lot of power for lighting, heating, machines, movements, and so much more. All of that energy has to come from an energy supply. Some energy resources are renewable, while others are non-renewable. Energy has various forms and is a very essential part of our everyday lives.

Nuclear power works by a process called fission. The type of fission used in most reactors is where a neutron collides with a uranium-238 atom, splitting it into krypton, argon, spare neutrons and heat. The spare neutrons start a chain reaction for more uranium-238 atoms to split. The heat produced by fission heats the water surrounding the fuel rods, which circulates through a pipe. The heated water passes through a primary loop, then passes through another set of water heating the second supply of water creating steam. The steam then passes through a secondary loop. The steam turns a turbine connected to a generator, creating power. The steam in the secondary loop then passes through a pipe which runs through cold water, cooling the steam into back to water. Then dumps it into a river, lake, or ocean. The amount of water would eventually deplete, so then a third loop, a tertiary loop, pulls water in from the river, ocean or lake, and puts it into the second set of water. The three sets of water never physically touch.

Now, modern nuclear reactors combine old generator technology with the new knowledge. Old generators worked by heating up water and turning it into steam. They would either do this with oil or coal. The steam would then push a turbine and spin a magnet. That magnet would then induce an electric current in a coil, and that current would be used as electricity. The steam would then condense back down to water and the process would repeat.

Nuclear plants create energy through radioactive substances that help the creation of energy. Substances can become radioactive because the nucleus of each atom is unstable and can decay giving off nuclear radiation in the form of alpha particles, beta particles or gamma rays (What is Radioactivity, n.d.). Most power reactors use water as a coolant, in light-water reactors, the core is surrounded by the coolant under pressure. The nuclear fuel contains uranium that contains 2 to 4 percent uranium-235. For fuel rods the uranium is changed to uranium dioxide (Nuclear Energy, n.d.). Heat is created by the uranium-235 atoms splitting which is called fission then steam is made which spins a turbine to drive a generator and produces electricity, this is a nuclear reaction. Fukushima are boiling-water

[Statement of Facts] Nuclear energy is a misunderstood topic due to the widespread negative stigma of it being associated with men in orange hazmat suits dealing with radioactive chemicals, however, it is a relatively easy process to understand. Nuclear energy goes under the chemical process known as nuclear fission, where an atom becomes split into two elements: krypton and barium. This splitting causes an additional neutron to split, resulting in a chain reaction. This chain reaction provides an abundance of energy, in a dense form. This whole process is done in fuel rods, which are submerged in water. Due to this chemical process, the water is heated and emits steam, which creates pressure enabling the turbines to move. This movement converts the chemical energy to electrical energy, thus providing

Did you know that countries worked to build a weapon that used nuclear energy in world war ll? There are lots of different sources for non renewable energy, like nuclear energy. Nuclear energy is energy that holds together an atom which is called nuclear. Atoms are really small particles that make up basically everything in the whole universe. The energy inside an atom comes from nuclear energy. An huge amount of energy is released when we split a nucleus of an atom. When nuclear energy is released it is through a process called nuclear fusion. When nuclear fusion happens, the atoms release energy as they combine to make a larger atom. Nuclear energy comes from energy inside an atom. Two nuclear fusion atoms are combined and creating nuclear energy when we split an atom. When Nuclear energy is released

and pumping water. It gave farmers a constant power source no matter the time of year, without having

Energy has been a major part of humanity ever since the first human learned how to harness safety, warmth, and energy from fire. Today, with seven billion humans on Earth, it is possible that our constant need for energy could destroy our beautiful and fragile planet. One way to solve this problem is to start using renewable energies such as solar and wind.

As of right now China is the leader in clean energy usage. They have been dramatically increasing their spending on clean/renewable energy source such as wind turbines, solar-photovoltaic cells, and water turbines. This rise of renewable and clean energy in china has come with a hefty price. China has spent almost $500 billion on renewable energy sources. With this increase of clean energy China is also reducing their use of coal and trying to get more coal plants to clean the coal so that there will not be as many pollutant coming from the plants. China has made a plan for all this to be possible, it will span over 5 years and it is planned to cause 20% of all energy used to be from renewable energy sources. Because of Chinas determined plan to make a big change in clean/renewable energy they have become the leader in clean and renewable energy usage, over doubling the amount of energy the US has produced from renewable energy sources.

The first nuclear power station was opened on large scale in England in the year 1956. Uranium and its isotopes were used to generate nuclear power. In many parts of the world, uranium was extracted to generate Nuclear Power and which supplies about 11% energy needs of the world currently. A large amount of energy was produced from very little quantity of fuel and also no pollution was generated like fossil fuels. [2]