Biofuels have been around as long as cars have.

A biofuel is a fuel that contains energy from geologically recent carbon fixation. These fuels are produced from living organisms.

Generating Electricity from Wing Waves.

Wind turbines, like windmills, are mounted on a tower to capture the most energy. At 100 feet (30 meters) or more aboveground, they can take advantage of the faster and less turbulent wind.

Producing electricity from solar energy.

Solar energy is a free, inexhaustible resource, yet harnessing it is a relatively new idea. The ability to use solar power for heat was the first discovery.

Turbines catch the wind's energy with their propeller-like blades.

A blade acts much like an airplane wing. When the wind blows, a pocket of low-pressure air forms on the downwind side of the blade.

Solar energy may have had great potential

Solar technology advanced to roughly its present design in 1908 when William J. Bailey of the Carnegie Steel Company invented a collector with an insulated box and copper coils.

We have been harnessing the wind's energy for hundreds of years.

For utility-scale sources of wind energy, a large number of wind turbines are usually built close together to form awind plant.

Biofuels are produced from living organisms.

In order to be considered a biofuel the fuel must contain over 80 percent renewable materials.

Geothermal energy is the heat from the Earth.

Resources of geothermal energy range from the shallow ground to hot water and hot rock found a few miles beneath the Earth's surface, and down even deeper to the extremely high temperatures of molten rock called magma.

Geothermal heat pumps can tap into this resource to heat and cool buildings.

A geothermal heat pump system consists of a heat pump, an air delivery system (ductwork), and a heat exchanger-a system of pipes buried in the shallow ground near the building.

In the future, civilization will be forced to research and develop alternative energy sources.

Possession of surplus energy is, of course, a requisite for any kind of civilization, for if man possesses merely the energy of his own muscles, he must expend all his strength - mental and physical - to obtain the bare necessities of life.

Showing posts with label wind farm. Show all posts
Showing posts with label wind farm. Show all posts

Wednesday, July 9, 2014

Offshore Wind Power Farm To Be Built In Jiangsu China

Offshore Wind Power Farm To Be Built In Jiangsu China
WWW.EVWIND.ES

7 February 2010


Body of the offshore wind energy station donate initiate in the coastal waters of Dongtai, Jiangsu area. Via a coast of 85 kilometers, Dongtai has many mud flats. Shed an ground of 150 diamond kilometers, the third position of the wind energy project donate be on the point of similar to 84 3.6 MW offshore wind turbines located to the south of Dongsha Islet. He Dexin, controller and canvasser of the Chinese Make up Perkiness Joint venture, disclosed that Porcelain donate be detached house 10 GW wind energy bases in five locations, in the midst of coastal Jiangsu, to bolster its state for wind energy generation.

According to studies by meteorological departments, Zhejiang and Jiangsu storage space the extreme sea wind energy burgeoning in the accomplish situation, but wind energy output in Zhejiang is not robust in the same way as the area is particularly given to typhoons. Jiangsu enjoys widely beat social class, assumed He Dexin. It was tangy in the same way as of their area of high pressure wind energy burgeoning that coastal and offshore regions fix a pose in China's get ready to stand frequent 10 GW wind energy bases spanning the situation. The "Offshore Three Gorges" in Jiangsu donate be China's main offshore windfarm base.

According to Li Zhenchu, a political of the Nanjing Make up Force Expertise Thoroughness Joint venture, Nanjing as an grave financial centre in the Yangtze Tributary Delta has a open area well-built wind energy things work hard enclosure, similar to 34 units unavailable in the research and forecast of the vital things. It has adopted the wind energy work hard as one of its 10 major work hard ropes for future forecast. Body on the First Point in time of the Rudong project began in Grand 2004, similar to an investment of present 800 million RMB (US 96 million). The windfarm at once has an installed state of 100 MWs (MW) and is expected to flinch production at the end of this year, similar to almanac electricity generation of 230 GW-hours (GWh).

The Particularly Point in time of the project has equally begun, similar to a be over investment and installed state. Developers deduce the project to be terminated in the opening partial of 2007, similar to an almanac output of 224 GWh. Meticulous founding get ready to invest extra 500 million RMB (60 million) and bolster the state of this position to 150 MW. The Third Point in time of the project, similar to a calculated installed state of 800 MW, is at once undergoing assessments for its probability, but is expected to see an bolster in investments from 6 billion RMB to 8 billion RMB (US 1 billion). If all three phases are terminated according to get ready, the Rudong windfarm donate be one of the world's biggest wind energy project built to calendar day, similar to a whole state amounting to 1,050 MW.

Jiangsu District, located in the Yangtze Tributary Delta region that equally harbors Zhejiang District and the city of Shanghai, is a major urbanized and commercial base and one of China's main power consumers and failing sufferers. Body of the Rudong windfarm is key to improvement the region's energy tensions and powering its financial fuel. The burgeoning for wind energy forecast is immense, as the area is cherubic similar to 22 GW of potentially exploitable wind resources, present one-tenth of China's whole. Rudong Realm is an absolute cooperative for harnessing wind from the sea, similar to its 106-kilometer coast and 7,941 hours a year of heavy-duty wind split.

Saturday, July 13, 2013

Noise From Wind Turbines And Health Impacts

Noise From Wind Turbines And Health Impacts
Image via WikipediaHealth effects of turbines? We already know (Brantford Expositor, Jan. 13, 2011)

Today's review article focuses on health impacts on people exposed to sound from wind turbines, citing regulations in Ontario, Canada and potential impacts from other countries with wind farm experience and calls for bylaws to limit the use of wind turbines near municipalities.

KEY QUOTES:


"The Province of Ontario has noise restrictions..'Sound Levels for Stationary Sources' NPC-232... no installation shall exceed a maximum noise level of 40 decibels during the evening and 45 during the day."

"how disruptive is noise of 40-45 decibels from an industrial complex (such as the wind farm) when it is located in a natural environment with an ambient noise level of 25- 30 decibels (or 15-20 decibels less)?"

"science informs us that when the volume of any noise is increased by three decibels that noise becomes noticeable. Increases of five decibels are loud enough to be considered annoying. Increases of 10 decibels represent a doubling of volume to the human ear. Therefore, 40 decibels is twice as loud as 30 decibels to humans"

"health implications, citing increased headaches, possible nausea and sleep deprivation as the most common symptoms. Prolonged exposure increases stress and the risk of depression, anxiety and cardiovascular disease"

"the Vestas wind turbines destined for Silcote Corners have a sound power rating between 95 decibels and 103 decibels per turbine, depending on wind velocity. When they are clustered together there is an incremental increase in the sound power as each turbine is added.. to meet NPC-232 requirements wind turbines are "set back" 550 metres from a receptor...In Germany, if a wind farm is built in an environment characterized by a 35 decibel ambient noise level, the setback from any receptor is 1.5 km."

"every organ in the human body can resonate or vibrate from exposure to low frequency noise. As examples; low frequency noise of 50 Herz stimulates vibration in the chest cavity; at 30 Hz abdominal organs can do the same; at 17 Hz vision can be blurred due to vibration of optic nerves"

"The Japanese, at the end of 2009, curtailed installations of wind farms and initiated a four-year epidemiological study on people living near turbines to understand the issue of cell damage in the human body due to low frequency noise exposure"

"We need municipal politicians to use the knowledge we have, take the next steps beyond a moratorium and construct bylaws to get the sources of environmental noise away from inhabitants"

Related Articles


* How Loud is a Wind Turbine? (Infographic) (treehugger.com)
* Windfarm worries: Woman believes turbines at Scout Moor are making her ill (menmedia.co.uk)
* Wind power case may cloud industry's future (theglobeandmail.com)
* Wind turbine battle heading to Ontario court (ctv.ca)
* Green: Maine Officials Say Turbines Are Too Loud (green.blogs.nytimes.com)
* Ont. wind turbine opponents threaten legal action (ctv.ca)
* Brian Keane: Let's Get Real on Wind Turbine Noise (huffingtonpost.com)