Windmill on frame technology
Our portal is regularly talks about innovations in the field of "green" energy. We have already mentioned, will look like wind turbines of the future, and about the largest solar power plant in the world. German engineers have offered their vision of the optimal material for a modern wind turbine. This is a tree.
At first glance, this idea seems absurd: building construction, are at increased loads of material that can shrink, crack from dryness, to bend under the weight, or go cracks.
However, the Germans were able to build a wooden windmill height of 100 m, with a diameter of 77 m wind turbine blade. Weight - about 100 tons. Wind turbine generates 1.5 MW of electricity. This is enough to supply power more than 1,000 homes.
Engineers interesting approach to this difficult problem. Windmill built on frame technology. No conventional timber used as a material, and glulam and LVL beams.
Wind turbine tower has an octagonal shape. In the process of building a wooden "skeleton" trimmed with special plates made of waterproof plywood.
Turbine was going on the principle designer. All parts of the windmill length of 12 meters were made at the factory. They are then delivered to the construction site trucks. Due to this, the assembly was carried out with the greatest possible speed.
When looking at a huge wind turbine there is a question: "What is the meaning of the use of wood in the construction of such facilities?". German engineers reasoned that if the wind turbine produces clean energy, and the materials from which it is made, must be "green."
Developers estimate that the construction of wooden windmill cheaper than the same size, but made of metal.
Savings on this windmill is over 250 tons of steel sheet.
In addition, the production of steel requires an enormous amount of energy, the production of complex, costly, leads to the release of pollutants.
According to engineers, the lifetime of the wind turbine will be at least 20 years. After that it can be easily dismantled (because all connections are demountable), and the tree re-use in another building. During the tests, all the calculations of wind turbine engineers confirmed. Therefore, the German developers plan to build another wooden windmill - 140 meters high, and then want to aim a blow at 200 meter tower.
On FORUMHOUSE can learn how to choose a wind turbine, And How collect horizontal wind turbines with their own hands. Read the article, which tells about the main types of alternative energy sources. In our video topics discussed the nuances of construction of the complex of alternative heating systems.
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