energy is the radiant light and heat from the Sun that has been
harnessed by humans since ancient times using a range of ever-evolving
technologies. Solar radiation along with secondary solar resources such
as wind and wave power, hydroelectricity and biomass account for most of
the available renewable energy on Earth. Only a minuscule fraction of
the available solar energy is used.
Solar power technologies provide electrical generation by means of heat engines or photovoltaics. Once converted its uses are only limited by human ingenuity. A partial list of solar applications includes space heating and cooling through solar architecture, potable water via distillation and disinfection, daylighting, hot water, thermal energy for cooking, and high temperature process heat for industrial purposes.
Solar technologies are broadly characterized as either passive solar or active solar depending on the way they capture, convert and distribute sunlight. Active solar techniques include the use of photovoltaic panels, solar thermal collectors, with electrical or mechanical equipment, to convert sunlight into useful outputs. Passive solar techniques include orienting a building to the Sun, selecting materials with favourable thermal mass or light dispersing properties, and designing spaces that naturally circulate air.
The cost of Solar Energy
Solar energy is a natural source of energy that comes directly from the sun. When solar energy hits the earth it spreads over the earth's surface and provides warmth evenly. If you could capture the sun's rays into a particular area for a long period of time it would provide enough warmth for night time or on cloudy days.
Learning where to find solar energy can help you to get started today. Solar energy does not cost anything because it comes from the sun. The source that you choose may cost some but in the long run it should be your only expense, unlike gas or oil heaters that you continue to pay for monthly in order to have power or gas heat in your home. Solar power can provide heating, cooling and ventilation.
If you want to make your own solar power to capture the energy for heating its easy to do if you can find a solar collector, which is anything that attracts the heat from the sun in a concentrated amount, such as glass or clear plastic.
Getting into your car that has sat out in the hot sun all day long can be extremely hot and you have to roll down your windows to cool it off inside. That is because the glass has attracted the sun and the objects in your car, including your seats, have trapped the heat not allowing it to escape. When you roll your windows down you are allowing the heat to escape causing your car to cool down.
The same thing is true about greenhouses. The glass or clear plastic can attract the sun and not allow it to escape causing the greenhouse to maintain the heat for the plants to grow effectively.
In order to heat your home using solar energy, you need to know the information on a passive and an active home. These two types of solar homes offer the homeowner options to choose from and your cost of heating may be down. Solar energy does not only heat your home but it also heats your water and if you use solar energy lights it can light your home at night.
Passive homes do not use any equipment to heat the home. Passive homes use windows that are made to allow the maximum amount of sunlight into your home. The sunlight is controlled by keeping the doors closed in the hottest part of the day not allowing any heat to escape.
night thick curtains may be used on these windows so that the warmth
stays inside during the night. This allows the sun to naturally heat
your home without any help.
Active homes do use equipment to help circulate the heat in the home. Some of the equipment that may be used includes pumps, blowers and an alternative heating source in case the sunlight was not enough during the daytime.
In order to heat the home with sunlight these homes use special boxes on the outside that attract the sunrays to it. They are made from a dark colored metal to help attract the sun more.
The water or air that is carried in the pipes and ductwork is heated by this glass box that has captured the sunlight. Then the heated water or air is then carried to the rest of the home.
In the long run, solar energy helps to heat the home naturally and without depending on a company to supply it for you. Solar energy can be found anywhere the sun is.
Benefits Of Solar Power
... produce the most efficient energy with the least amount of complications. The solar panels are faced toward the sun at all times in order to be able to power the shuttle efficiently. There are fewer problems from solar power than with other methods. Even though there are days that there are clouds in ...
... This allows the area to be heated using solar power. Because glass is a natural solar collector it makes it great to put into a greenhouse or a sun room. The glass attracts the sunlight and traps the heat inside so that they temperature in the greenhouse or sun room remain warm even at night when the ...
... are self generating and consist of a very thing film made of silver. This film is placed on a semiconductor layer that can be found on an iron substrate. The photovoltaic cells are very important in producing enough sunlight and heat in order to successfully produce the energy that is needed in order ...
... connected from the ground up. Giromill is a type of meal that features three vertical blades. It is self starting so the maintenance is low. These types of mills a low blade speed but they can create a high performance and success in channeling the energy from every turn of the blade. Savonius Wind Turbine ...
... In order to heat your water successfully you will need to have both a solar collector and a storage tank. A flat plate collector is the most common collector. It is designed to be a thin, flat rectangular box that has a see through cover and it can carry fluid to be heated. This fluid could be the water ...
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