Nuclear Generating Capacity In The United Kingdom

nuclear united kingdom
Following the recent completion of three nuclear power plants, there is now some 9.6 GW of nuclear capacity in the United Kingdom. The nuclear share of electrical output, which has stood at around 13% for many years, should rise to around 20% when this capacity is in full operation. A further two reactors are currently under construction which will increase the British nuclear capacity to more than 12 GW by the late 1980s, which could bring the nuclear share of electrical output to around 25%. (more…)

Federal Excise Taxes to Motor Fuels: Gasoline, Diesel, Aviation Jet Fuel

Federal Excise Taxes
Federal Excise Taxes placed on specific energy sources tend to reduce energy demand for these energy sources in both the short and the long run. The federal government imposes excise taxes on almost all petroleum products (including petroleum additives) and coal (see Table 1). The federal government also imposes federal excise taxes on many transportation uses of methanol, ethanol, natural gas, and propane and imposes a fee on electricity produced from nuclear power plants and nuclear power electricity. (more…)

Solar Water Heating for Swimming Pools

Solar water heating for swimming pool rank as the most successful but least heralded commercial solar application. The use of solar energy for pool heating and the equipment and needs of pool owners make a perfect match. The storage unit for the solar heated water already exists—the swimming pool. The pump needed to push water through the solar collectors must be purchased irrespective of the technology used to heat the water. The pool owner merely has to purchase the solar collectors. Since those using the pool generally want the temperature of the pool to be no higher than 801F (271C), the solar collectors do not require a costly glass cover or expensive metal sheeting and piping. (more…)

Advanced Electric Grids for Efficient Energy Transmission

Advanced technology global electrical grids may be more promising for renewables energy. With current transmission lines, even if costs per kilowatt-hour of PV arrays and turbines declined drastically and production rates were increased to millions per year like mass-produced automobiles, the grids of the United States and the world could not handle the load management demands. Power must flow where needed, when needed. Existing grids are hub-andspoke networks designed for central power plants tens to hundreds of kilometers from users. These need to be re-engineered into ‘‘smart grids’’––a global Internet and superhighway system for electricity. (more…)

CO2 Emission Reduction and Fossil Fuels Carbon

Reductions in carbon intensity, C/E, the carbon emitted per unit of energy generated, reflect the degree to which societies decarbonize their energy sources. The long-term trend has been a shift from coal to oil to natural gas––hydrocarbons with decreasing C/H ratios emitting progressively less CO2 per joule. However, the increasing use of clean low-carbon fuels is not sustainable without somehow disposing of excess carbon because it opposes the trend in the abundance of fossil fuels, with coal resources being the most abundant followed by oil and gas. (more…)

Nuclear Power Plant Safety Systems and Reactor Pressure Vessel

Because a nuclear explosion in a nuclear power plant is impossible due to the low fuel enrichment, the worst conceivable accident is a severe loss-of-coolant accident (LOCA), leading to a core meltdown. Although the nuclear fission and fusion process would be immediately stopped by a control rod insertion, the radioactive fission products would continue to generate decay heat in the fuel. Thus, a LOCA producing core uncovering could cause the fuel to melt. In the most extreme case, a molten mass would fall to the bottom of the reactor, melting through the reactor pressure vessel and the underlying concrete, and eventually coming to rest about 6.1 m (20 ft) underground. (more…)

Nuclear Radiation Protection: Shielding to Minimize Exposure

Nuclear engineers work in conjunction with health physicists to assure that all activities involving radiation exposure to nuclear power plant workers or to the public are kept well below the U.S. requirements stated in Title 10, Part 20 of the Code of Federal Regulations (10 CFR 20). In fact, the current industry practice is to apply the ALARA (‘‘as low as reasonably achievable’’) principle to every exposure-related activity. To this end, nuclear engineers have been widely successful in designing nuclear plants that limit the dose to the public. (more…)

Nuclear Power And World Electricity Generation

Sir Arthur Eddington’s general address on subatomic energy at the 1930 World Power Conference in Berlin stirred the imagination of every scientist and engineer present. The challenge was clear: find a practical means of accessing, controlling, and using the enormous energy locked in the atom as predicted by Einstein’s remarkable mass–energy relation, E=mc2. On December 2, 1942, Enrico Fermi transformed Eddington’s visionary challenge into reality by producing the world’s first controlled, self-sustaining nuclear reactor, Chicago Pile 1. Six decades later, nuclear energy now produces 16% of the world’s electrical power. (more…)

Renewable Energy Sources in Europe: Geothermal, Wind Energy, Biomass

In Europe, modern renewable energy sources technologies were explored thoroughly for the first time after the oil embargo/ price crisis of 1973. Notably, market introduction of renewable energy technology started in about 1985, but the renewable energy sources industry has become vital only during the past decade. Accordingly, relevant statistical renewable energy sources data have been systematically compiled only over the past decade, although reliable and consistent statistical renewable energy sources data, collected since 1989, exist for all 15 countries of the European Union and for Western Europe (defined here as the EU-15 plus Switzerland, Norway, and Iceland). (more…)

Different Forms of Energy and Different Forms of Energy

Different Forms of Energy
Energy exists in many forms. Some of energy forms are simple to use and identify as energy. But other forms of energy can not be seen until the energy released. Some forms of energy like light and sound, they carry energy from one place to another. There are also vibrating objects that carry the kinetic energy that makes the sound. The energy passes through the wave where the wave was originated. The higher the wave, it gives more energy. Light is also one form of energy. A light beam or light ray brings out energy from where there was light. This energy is often referred to as radiation energy. (more…)

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