Posts Tagged ‘Renewable alternative energy’

How to use solar energy

Sunday, July 12th, 2009

The sun is one of the renewable energy sources that continuously produce a large amount of energy that is called solar energy. The process of atomic fusion takes place inside the sun and releases a lot of energy. The solar energy so produced can be used for different purposes that can be either commercial or domestic.

Renewable solar energy is used in a variety of devices that absorb solar energy and then convert it to a useful form for various purposes. There are several ways in which solar energy can be used. In a solar oven, solar energy is used to cook food. In this oven a concave mirror is used to concentrate the sun’s energy onto the food that has to be cooked. Water can be heated in devices called solar collectors. The solar collectors are mounted on roof tops. It is ensured that they are installed at places where there is sufficient sunlight so that they can absorb solar energy and use it to heat up the water.

Solar batteries are the equipments that use solar energy to produce power. These devices use photocells to produce solar power. In a solar furnace, a number of mirrors are used on sides to form one large concave mirror that can reflect sunlight and use it for heating purposes.

Solar energy can also be used to meet the electricity needs of industries and also for the purpose of heating, lighting and water pumping.

Solar energy is so widely used because it is a renewable alternative energy source that is readily available and reliable.

Renewable Alternative energy Sources – A replacement for Oil

Thursday, June 11th, 2009

The modern world has several energy requirements. These energy requirements are met by oil. Oil in the form of kerosene, gasoline and diesel runs the modern world. In addition to meeting the energy needs, oil can also be put to a number of uses in all its forms. Oil in the form of gasoline and diesel can be used for running vehicles and thus hep in transportation of goods. In the form of kerosene, oil can be used in kitchens for preparing food and for heating water. Oil also finds use in a number of industries in the modern world. Oil is an important part of the petrochemical industry. It is also used in manufacturing industry for manufacturing medicines, paints and many other products. Oil is popularly used because it is easy to transport, readily available, safe and versatile. However, oil is a finite resource that will exhaust one day. In the times to come, no oil reserves will be found in the world. As a result we need to look for alternative energy sources that can meet the energy requirements.

Renewable alternative energy sources will always be available for use on the earth.  The alternative energy resources will be the ones that will be used in place of oil in the future. The use of alternative energy sources will result in substantial growth and will also help to overcome the energy crisis.

It will take us years to get used to the idea of using alternative energy resources. This change will also require a lot of time but once done, the benefits will be enormous.