【一家法国公司在巴黎“种下”一颗能发电的树】

【一家法国公司在巴黎“种下”一颗能发电的树】法国“新风”公司在巴黎协和广场,安装了其最新设计的第一款供城市中心使用的发电装置。它使用可将风转化为电能的叶片,能供给15座路灯的照明,但比传统风电更安静,更适合家庭使用。目前零售价约33670美元。在未来,该公司希望研制“具有天然纤维自然叶子”的树木,根可产生地热和树皮覆盖感光细胞。

The wind turbine for your backyard: 26ft 'Wind Tree' uses tiny silent blades to generate electricity from light breezes

  • The 'Wind Tree' uses tiny blades housed in the 'leaves' that turn in breezes
  • A French firm is installing the first model at  Place de la Concorde in Paris
  • 'Aeroleaves' generate electricity in wind speeds as low as 4.5mph (7km/h)
  • This can provide enough power to supply 15 street lamps or one electrical car for 10,168 miles (1,360km) over the course of a year

Monstrous, noisy conventional wind turbines may soon be a thing of the past thanks to tree-shaped wind turbines being installed in Paris.What started out as a concept (pictured) is now being turned into reality, with several being planned for the French capital and beyond in the coming months

Monstrous, noisy conventional wind turbines may soon be a thing of the past thanks to tree-shaped wind turbines being installed in Paris.

What started out as a concept is now being turned into reality, with several being planned for the French capital.

French company 'New Wind' is installing the first at Place de la Concorde in Paris and is hoping to expand throughout the country and abroad.

The 26ft (8 metre) trees are fitted with 63 aeroleaves (pictured). Each one uses tiny blades inside the 'leaves' and can generate electricity in wind speeds as low as 4.5mph (7km/h), and regardless of the wind's direction. A light breeze is classified as having a wind speed of between 4mph and 7mph on the Beaufort Scale

The 26ft (8 metre) trees are fitted with 63 aeroleaves.

Each one uses tiny blades inside the 'leaves' and can generate electricity in wind speeds as low as 4.5mph (7km/h), and regardless of the wind's direction.

A light breeze is classified as having a wind speed of between 4mph and 7mph on the Beaufort Scale.

The company's founder, Jérôme Michaud-Larivière, hopes the trees can be used to exploit small air currents flowing along buildings and streets, and could eventually be installed in people's backgardens and urban centres.

The power output of the tree is 3.1 kilowatts a year depending on the wind.

The trees are also silent, so sound pollution would not be an issue - a major improvement from past designs.

The trees currently retail at £23,500 ($33,670).

'The idea came to me in a square where I saw the leaves tremble when there was not a breath of air,' said Jérôme Michaud-Larivière, the founder of the Parisian start-up.

Last year, after three years of research, the team of engineers developed a prototype and installed it in the Pleumeur-Bodou commune in Brittany in northwestern France.

The trees currently retail at £23,500 ($33,670).  The power output of the tree is 3.1 kilowatts with the potential to generate 3,500 kWh to 13,500 kWh depending on the wind. This could provide enough power to supply 15 street lamps, 83% of the electrical consumption of a typical family household over the course of a year

Mr Michaud-Lariviere said the tree is profitable after winds of 7.8mph (12.5km/h) on average over one year.

He admits there are more consistent winds 160ft in the air but they require 'monstrous machines', far from where energy is consumed, he added.

In the future Mr Michaud-Larivière hopes to develop a 'perfect tree that has leaves with natural fibres, roots that could generate geothermal energy and 'bark' covered with photosensitive cells.

However, Robert Bellini an engineering expert at the Environment and Energy Management Agency (ADEME), said the potential of small wind turbines in the city remains 'quite low'.

http://www.dailymail.co.uk/sciencetech/article-3450924/The-wind-turbine-backyard-Wind-Tree-uses-tiny-blades-generate-electricity-light-breezes.html


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