Using Solar and Wind energy

Solar and wind energy are the most widely used renewable energies worldwide. Solar energy can be converted into usable energy in different ways. On the one hand, the solar radiation can be absorbed by a thermal collector, which then heats a medium, such as water. On the other hand, the photons of which solar radiation is composed can be used to bring charged particles into motion and thus produce electric power in a semiconductor compound. This process is called ‘’photovoltaics.”

In the past, wind energy was used primarily in water pumps – we recall the slowly turning waterwheels in westerns, which pumped water into a tank to supply steam engines. Modern windmills, which drive generators to produce electric power, were developed later. Today, windmills are used worldwide almost solely to generate electric power. Let us take a closer look at these technologies for using renewable energy.

Solar Panels

Solar energy collectors are simple structures. Their task is to absorb the incident rays of the sun, and to use the energy to heat water. The simplest systems are in those areas of the world where high solar irradiation is present, such as the Mediterranean region, or India.

Find out more on what home solar power systems can do for you and your family. Learn how to build a solar panel at the comfort of home.

Wind Power
Western Europe is located in a zone of a good supply of wind energy, viewed on a world scale. The kinetic energy of the wind is a function of the wind speed to the third power. This formula means, for example, that the energy content of the wind increases eight-fold if the wind speed doubles. For this reason the best wind sites can be found along the coast or, further inland, at high locations. Under otherwise equal conditions, the difference in wind supply can cause the electric-power yields of a good coastal site and a mediocre inland site to differ by 25%. There are also differences of up to 20% in wind energy supply between one year and another.

Useful information renewable energy:
http://www.greenearth4energy.com/renewable_energy.html
 
Useful information home solar power systems:
http://ezinearticles.com/?Home-Solar-Power-Systems-Uses&id=3547988

Learn how to build your own wind turbine:
http://buildyourownwindturbine.weebly.com/

Learn how to build a solar panel:
http://ezinearticles.com/?Learn-How-to-Build-a-Solar-Panel-to-Save-Electricity-in-Your-Home&id=2727558

New Sources of Energy

Every day we use energy to help us in our lives. We use it for electricity, for heating, and to travel. Energy makes our lives easier. Click here to read more - Building Solar Panels and Home Wind Turbine

The energy Supply

Most of our energy comes from fossil fuels – oil coal, and gas. We use billions of tones of them every year for fuel and to produce electricity. Today, there is just about enough energy to go round. Demand is growing, however. Eventually, supplies of usable fossil fuels will run out. So what about the future? We will have to conserve our resources and develop new ones. Scientists and energy experts are developing power from renewable sources.

Renewable Sources

A renewable energy source is one that doesn’t run out, however much we use. There are certain processes that always take place on Earth. Somewhere in the world, the wind is blowing and the Sun is shining. Living things are growing everywhere. Water is on the move in rivers and seas. The layers of rock under our feet pump out heat. These constant processes are sources of renewable energy. We can use them to fuel cars, warm our homes, and make electricity. They will not get used up.

Climate Change

When we burn fossil fuels, they7 release gases into the air. Some of these gases cause pollution. Several of the gases absorb the Sun’s heat. We call them greenhouse gases because they trap heat like a greenhouse (a glass-walled building for growing plants). Carbon dioxide is the main greenhouse gas. Others are methane and nitrous oxide. The heat trapped in the atmosphere keeps Earth warm and allows like to exist. We are using such large amounts of fossil fuels that greenhouse gases are increasing. They are putting the world’s climate out of balance. Scientists have shown that greenhouse gases are causing Earth’s climate to change. The change is happening quickly. The world is getting warmer, and weather patterns are changing.

How Renewable Help

To slow climate change, we need to reduce the amounts of fossil fuels we burn. This will reduce the quantity of gr5eenhouse gases in the air. We can use renewable forms of energy that do not increase greenhouse gases. We can make hydroelectricity from water. Underground heat, called geothermal energy, can heat our buildings. The heat of the Sun can give us solar energy, and the spinning blades of a wind turbine (a kind of engine) capture energy from the wind. We can turn these sources of energy into electricity, too. Explore more on how to build a solar panel and DIY solar water heater.

Learn how to Building Solar Panels:
http://ezinearticles.com/?Building-Solar-Panels-From-the-Comfort-of-Home&id=3717430

Useful information Home Wind Turbine:
http://ezinearticles.com/?Using-a-Home-Wind-Turbine-to-Generate-Electricity&id=3460692

Learn how to build a solar panel:
http://ezinearticles.com/?Learn-How-to-Build-a-Solar-Panel-to-Save-Electricity-in-Your-Home&id=2727558


Learn how to DIY solar water heater:
http://ezinearticles.com/?Benefits-of-a-DIY-Solar-Water-Heater&id=3433859