Home Solar Panels Systems And Solar Energy – Introduction
Solar power is currently one of many cleanest methods of energy production known.
Home solar panels programs are among the simplest strategies that can be utilized to convert the sun power into usable electricity.
Solar power come from a source that for us it going to be inexhaustible: Energy emitted by the sun**, and from which we get an quantity such that if all it could be harnessed, it might suffice for half an hour a day to meet energy demand world for an entire year.
Although this, as we know, does not pass the theoretical and it is unimaginable to carry out in a practical approach (until today).
Even so, an increasing variety of activities through which solar energy is applicable, protecting so many different designs equivalent to a photo voltaic cars, photo voltaic panels for house and industry and even to give energy to a satellite!.
Until recently, the principal drawback of solar energy was the cost.
The photo voltaic panels weren’t cheap they usually was built with fragile and delicate materials (semiconductor, glass, etc.) Requiring constant maintenance and often, be replaced.
Today all this has changed, today we can find “home photo voltaic panels kits” below a scheme of “do it yourself” in a very affordable way in the market.
We should take advantage of this and start our “Green” career.
**Some General Info About The Sun As An Energy Source.-
The solar is the nearest star to earth. Has a radius of 700,000 km and a mass of about 330.000 instances bigger than our planet earth.
It concentrates 99% of the mass of our solar system.
The floor temperature is round 6,000 levels centigrade, but is considerably lower within the sunspots, about 4,800 levels cent.
Near the of it middle the temperature is greater than 15,000,000 levels centigrade and the density is about 120 times higher than on the surface. In this zone pressures are reached 250.000 million atmospheres. The core gases are compressed to a density a hundred and fifty times that the water.
The source of all vitality from the sun is on the core. Due to the intense conditions of strain and temperature, inside takes place nuclear fusion reactions.
In these, 4 hydrogen atoms combine to grow to be a helium atom. The mass of the helium atom is 0.7% less than the mass of four hydrogen atoms.
This mass loss is what makes vitality in the type of gamma rays which is expanded in form of radiation from the core, towards the surface within the first 500,000 km of the thickness of the solar sphere, from there, proceed in a convection manner and then, the photons lastly after a protracted trip of 1000′s of years, attain the solar surface.
It is estimated that on the within of the solar fuse 700 million tons of hydrogen every second, and the mass loss, which is transformed into photo voltaic energy, is estimated at 4.3 million tons per second.
The stability of the sun as a star is achieved by a steadiness of inner forces that are inclined to expand and gravitational forces that are inclined to compress. At this rate of transformation, the solar will want more than 6,000 million years to devour 10% of hydrogen in its possession.
When, in the future, that is done (meaning the solar hydrogen will likely be scarce), gravitational forces can be greater than the interior forces, so that the solar will collapse and begin to die.
The Sun is 149,500,000 million kilometers and its light takes 8.3 minutes to reach earth floor at a speed of 300.000 km / s.
Solar radiation attain the earth in type of electromagnetic waves which is moving via the space in all instructions as they don’t need a bodily medium for propagation. This effect is known as radiation and refers to a physical phenomenon which is represented in a vibratory wave form.
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