Rabu, 01 Juni 2011

Home Wind Turbine Kits- How Does Wind Start?

Before you seriously think
about getting any of the
home wind turbine kits, you
need to learn a bit about
wind. This is study of how
the sun affects the earth. Digging a bit deeper into your
wind locally will then tell
you if home wind will work
for you. Here's a high-level view of
what's happening when you
see wind moving the trees: 1. The sun warms the earth 2. The warm earth then
warms the cold air above it 3. The warm air rises and is
replaced by cool air That is a 50,000 view of what
makes wind happen. Now, let's go into additional
factors that make wind move
in the directions it moves
in… 1. The sun warms the earth -
The earth's surface is very
inconsistent. There are
rocks, water, soil, buildings,
etc. and all absorb and
release heat at different rates. This difference in the way
these objects radiate heat
causes the dissipation to be
very uneven. Due to the
rotation of the earth, no
heating goes on at night. So, the release of heat by the
earth is happening at many
different rates all over the
globe. As the warm air rises, it
expands and takes up more
space. It also weighs less
making it take up more
space and reduced pressure.
Low and high pressure air movement causes most of
our weather. 2. Warm earth warms cold air
- Some air is rising fast and
some is rising slowly. 3. Warm air rises and is
replaced by cool air - This is
the process that creates
pressure differences that
result in most of our
weather. A low pressure area results from summer heating
of the ground. Since the
temperatures are much
greater, the air rises faster. It
contains more energy and
that's why we see so many thunderstorms in the
summer. The air movement that
results from all these forces
and physical constraints is
wind. The actual pattern of
the wind is made more
complicated still by the rotation of the earth and the
Coriolis Effect. The air wants
to sort of stick to the ground
and the Coriolis Effect is
trying to turn it and break it
free. This is the reason we have
cyclical weather
phenomenon, like
hurricanes and tornadoes. You need to not only
understand the how and why
of wind globally, but also
locally to judge whether a
home wind turbine is a good
use of your money. Pay attention to average wind
speed. Yours needs to be 9-12
mph in order to have a really
good wind turbine project. The first step in that process
to understanding local
patterns is to consult http:// www.Wunderground.com . This service has historical
weather data and depending
on your region, it can give
you information on wind
averages and directions for
years in the past. Then, double check the data
you find online with your
own study of wind on your
own property at different
heights. You can rent or purchase an
anemometer to do that. The anemometer should be
mounted at the height you
are considering installing
any of the best home wind
turbine kits. Leave the device
in place for 30 days and assess the data. If your average is 9 mph or
more then you have a viable
reason to buy a wind
generator. Roger G. Brown has saved
countless companies 10-20%
on their utility bills. Check
out Roger's tips on how to
save money AND get a FREE Energy With Wind . Article Source: http:// EzineArticles.com/?
expert=Roger_G_Brown

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