Solar energy and uses.

God created the sun and the moon kyats function of the integrity of bone and its ability and authority to make Sunbeam a source of Zia on the ground and make the reverse beam from the surface of the moon light. Allah says in His Holy Book (which is made the sun light and moon light and the amount of homes to know the number of years and the reckoning of God's creation is only right separates the verses for a people who know) Surat Yunus verse (5) the sun being in outer space a thorough calculation, where he says God in the Ar-Rahman (the sun and the moon are made punctual) verse (5).  



This means that the Earth's orbit around the sun a specific and accurate, and any difference in the path of the earth will lead to sudden changes in temperature, structure and atmosphere, have been disasters occur to the extent of the Aiken then the survival of life ability of God alone has made the hot sun of mercy and warmer and a source of energy, where the temperature its about (8-40) x 10 degrees absolute (shroud) and then ranging in the low temperature until it reaches the surface to 5762 absolute (shroud).


Use of solar energy
Benefited rights since ancient times the energy of solar radiation directly in many applications Ktgviv agricultural crops and home heating is also used in other areas of the science books have historically burned Archimedes Navy Rummani in a war in 212 BC by focusing solar radiation on the vessels of the enemy by hundreds of metal shields. In Babylonian times the women priests using polished gold verse for Maria to focus solar radiation to get to the fire. 



 Scientists also like Chernhos and Suez, Lavoisier, Mochoc Harding, Ericsson, and others using solar energy in refractory materials and cooking and the generation of water vapor and the distillation of water and heating the air. 



 As established in the early first century AD, the current international terminal for irrigation mediated by solar energy had been working for five hours a day and that in Maadi near Cairo. The man tried long ago to take advantage of solar power and exploitation, but small and limited extent and with the great development of technical and scientific progress reached by man opened up new scientific horizons in the field of exploitation of solar energy.


In addition to the mentioned advantage of solar energy compared with other energy sources, including the following: -


    The technology used by the remaining relatively simple and uncomplicated compared with technology used in other energy sources.


    The provision of environmental safety factor as the solar energy is clean energy does not pollute the air and leave the waste, which gives special status in this area, especially in the next century.

Solar energy conversion

Can convert solar energy into electric energy and thermal energy through the mechanisms of photoelectric conversion and thermal conversion of solar energy, and intended to convert photovoltaic conversion of solar radiation or light directly into electrical energy mediated by solar cells (PV), as is known, there is some material in the process of photoelectric conversion is called suspicion of conductors such as silicon and germanium, and others. The discovery of this phenomenon by some physicists in the late nineteenth century AD, and found that the light can free electrons from some of the minerals known as the blue light has a greater capacity of light yellow to free electrons and so on.


Einstein was awarded the Nobel Prize in 1921 unable to explain this phenomenon.



Has been manufacturing many models of the solar cells can produce electricity in a scientific manner and is characterized by solar cells that it does not include parts or moving parts, it does not consume fuel and pollute the air and life is long and requires little maintenance. Achieved the best use of this technology under the console application of solar radiation (solar module), ie, without concentrates lenses or light and therefore can be installed on the roofs of buildings utilized in the production of electricity, usually estimated efficiency of about 20%, while the remainder can be used to provide heat for heating and water heating. The solar cells used in the operation of communications system in different ways and lighting and water pumping facilities and others.


The thermal conversion of solar energy depends on the conversion of solar radiation into heat energy through the complexes (plates) and solar thermal material. If the object was a dark color and is isolated to the solar radiation it absorbs the radiation and high temperature. According to the heat in the heating and cooling and water heating, power generation and others. The applications of solar water heaters are the most prevalent in the field of thermal conversion of solar energy. This is followed in importance solar dryers that are frequently used in the drying of some agricultural crops such as dates, etc.


can also take advantage of the thermal energy to cook food, as there is research taking place in this area for the production of equipment for cooking working inside the house rather than take the trouble to sit in the sun during cooking.
Although solar power has taken occupy an important place within the renewable energy alternatives, but the extent to which they linked to the presence of sunlight during the time of use similar to conventional energy.


And it seems to be required of the techniques after the technology and the development of electric and thermal conversion of solar energy is that energy storage technology for use during the period of occultation of solar radiation.  


There are several ways to store energy technology including solar thermal storage electrical, mechanical, chemical and magnetic. The storage of solar energy research of the most important areas of development needed in the application of solar energy and spread over a wide range, as solar power, although it is only available Nha is not at hand and not free in the sense. Vsaaraa real words on the equipment used for conversion of electromagnetic energy into electrical energy or heat. And stored if necessary.


Although these costs now outweigh the cost of conventional energy production but it does not give an adequate picture of its future because they are continuing to fall thanks to the ongoing and future research.