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Adiabatic solar air conditioner

This DIYs project shows how to build an ecological air conditioning system. The electricity of the fan is generated by a photovoltaic cell and the air is cooled simply by evaporating water. Conventional air conditioners are very energy consuming. They work like a fridge and need a lot of ... »
ecological, conditioning, photovoltaic, cooled, evaporating
Note
Difficulté
Durée3h 30 min.
Date17.05.2013
Langue(s)

Crank flashlight

Building this torch (flashlight) helps to understand how it is possible to transform mechanical energy into electricity. This type of transformation is achieved in most of our power plants. This DIYs project reveals all the components of an electric generator. By using a small electric motor ... »
torch, flashlight, transform, generator, motor
Note
Difficulté
Durée3h 0 min.
Date16.05.2013
Langue(s)

Solar boat 2

Concept   Building a solar boat is a good way too experiment the use of photovoltaic solar cells. Solar boats are an ecological means of transportation because they use the sun, a renewable and environmental friendly energy. In order to navigate by night and when the sun is too weak, solar boats ... »
experiment, photovoltaic, ecological, renewable, batteries
Note
Difficulté
Durée3h 30 min.
Date16.05.2013
Langue(s)

Solar house

Building a solar house model helps to understand how it is possible to use the power of the Sun to save energy or even to be completely independent from the energies we normally use in our buildings. Even if they are still rare, some buildings already use only renewable energies. These 'autonomous ... »
energies, renewable, air-tight, illustration
Note
Difficulté
Durée4h 0 min.
Date16.05.2013
Langue(s)

Solar chimney

The use of sun energy is not limited to photovoltaic cells for electricity or solar thermal collectors for heating. Other ideas exist, often still experimental, like the solar chimney. A huge project of this type is planned in Australia with a tower 1 km high!   The construction of a solar chimney ... »
photovoltaic, collectors, chimney, greenhouse, absorption
Note
Difficulté
Durée3h 0 min.
Date16.05.2013
Langue(s)
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