(1)Living by using only natural energy
We have tried to use different kinds of natural energy. When
we talk
about energy, we tend to think of producing a huge amount in one place
and distributing it. However, the energy requirements of a family house
are
relatively low. It is said the total energy that human beings use in a
year is 1/15,000 of the solar energy falling on the earth. Rather than
relying on limited fossil fuels which in turn produce pollution the
solution to our energy demands is to use the solar energy efficiently.
�i‚P�|‚P�jEnergy for cooking
�@�@�i‚‰�jBiogas
�@�@�i‚‰‚‰�jCooking tools to
use solar energy directly
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�i‚��jSolar oven
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(‚‚�jSolar cooker
�@�@�i‚‰‚‰‚‰�jCoppicing
and its carbonization
�@�@�i‚‰v
�jTemperature change at cooking
�@�@�i v �jCooking
equipment for efficiency
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�@�i‚��jA thermal insulation box and skirt
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�@�i‚‚�jCooking range
�@�i‚P�|‚Q�jAir
conditioning in the house using ground heat
�@�i‚P�|‚R�jHot
water for shower and dish washing
�@�i‚P�|‚S�jWindmill
power generation
�@�i‚P�[‚T�jOther
possible energy
collection methods
�@�@(i)
Solar radiation
collection with a two-dimensional reflector
�@�@(ii) Solar
radiation collection with porous materials
�@�@(iii) Collection of
radiation from clouds
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