I was first introduced to solar energy in the film, race del Sol with James Belushi and Halley Berry in the lead. It was a story about low income, low achieving students Hawaii encouraged by his teacher to join the solar car race. In the film, a car shaped like a cockroach and covered with solar panels use the sun as a source of alternative energy to run the car.
Solar energy is the light and heat of the sun. Solar energy is free and its supplies are unlimited. There are n air and water pollution caused by the use of solar energy. But there are still some impacts on the environment, although indirectly.
A Bright Future for Solar Energy- An Alternative Energy Source
Photovoltaic cells used to convert sunlight into electricity using silicon and also produce some waste materials. There are also large solar thermal farms and these farms can also be harmful to ecosystems and desert environment if not properly managed.
Solar energy can be used in different ways. Solar energy can be used in agriculture. Greenhouses (which is totally different from greenhouse gas) convert sunlight to warm maximized in improving the growth of plants and crops. Greenhouses has existed since Roman times and modern greenhouses were built in Europe in the 16th century greenhouses are still an important part of horticulture today,
Daylight systems are also being used to maximize the energy released by the sun. It is used to provide interior illumination replacing artificial lighting. Daylight systems include sawtooth roofs, light shelf, skylights and light pipe. Daylight systems when implemented properly can reduce energy consumption related to lighting by 25 percent.
Solar energy can also develop in solar thermal technologies that can be used to heat water, heating, space cooling and process heat generation. Solar energy can also be used to distil water and make saline or brackish or potable drinking water.
The solar water disinfection or SODIS involves exposing terephthalate or PET plastic bottles made of polyethylene filled with water. This process is time consuming, since the exposure time varies climatic conditions. A minimum of six hours is required for two days during overcast days. Currently, there are two million people in developing centuries use SODIS for their daily drinking water needs.
Also sunlight can be converted into electricity using photovoltaic or PV energy. PV has been mainly used for small and medium feed stuff as a calculator fed by a single solar cell. There are homes powered by photovoltaics. The use of solar energy for water heating and space is the most widely use of solar energy application. While ventilation and solar air heating is also growing in popularity.
There are three main ways to use solar energy. The main way to use and convert solar energy is the use of solar cells. Solar cells convert light into electricity. Solar cells are also called photovoltaic or solar cells.
Meanwhile, solar furnaces use a huge array of mirrors to concentrate power in a small space Suns and produce very high temperatures. Solar ovens are also called solar cookers. A solar cooker can be used in hot countries to cook food.
With all the benefits if the use of solar energy, there is still a drawback to this alternative energy source. It does not work overnight. The cost of installing solar power stations is expensive, but the advantage of using the accumulated solar energy when it is much more.
Solar Energy System
Solar Energy System
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