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Solar power and its importance. Solar power and its Importance Solar power is the
technology of obtaining usable energy from the light of the Sun. ...
Solar Power (Coppin State). With ... Before going over how direct solar energy works
a brief history of solar power should be reviewed. Many ...
Breakthroughs in solar power technologies. ... Solar power involves using these emissions
of heat and light by the sun to produce electrical or thermal energy. ...
solar power. ... The third form of power is solar power. This is the energy from
the sun that is converted into thermal or electrical energy. ...
... Solar energy is converted to solar power by using collecting plates. ... Solar energy
is converted to solar power by using collecting plates. ...
Submitted by oppapers on October 8, 1999
Category: Miscellaneous
Words: 295 | Pages: 2
Views: 78
Popularity Rank: 104,924
Average Member Grade: N/A (Add a Comment / Grade this Paper)
About 47 per cent of the energy that
the sun releases to the earth actually reaches the
ground. About a third is reflected directly back
into space by the atmosphere. The time in which
solar energy is available, is also the time we least
need it least - daytime. Because the sun's energy
cannot be stored for use another time, we need to
convert the suns energy into an energy that can be
stored. One possible method of storing solar
energy is by heating water that can be insulated.
The water is heated by passing it through hollow
panels. Black-coated steal plates are used
because dark colours absorb heat more efficiently.
However this method only supplies enough energy
for activities such as washing and bathing. The
solar panels generate "low grade" heat, that is,
they generate low temperatures for the amount of
heat needed in a day. In order to generate "high
grade" heat, intense enough to convert water into
high-pressure steam which can then be used to
turn electric generators there must be another
method. The concentrated beams of sunlight are
collected in a device called a solar furnace, which
acts on the same principles as a large magnifying
glass. The solar furnace takes the sunlight from a
large area and by the use of lenses and mirrors can
focus the light into a very small area. Very
elaborate solar furnaces have machines that angle
the mirrors and lenses to the sun all day. This
system can provide sizeable amounts of electricity
and create extremely high temperatures of over
6000 degrees Fahrenheit....
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