Wind Turbines: How Effective They Are and How They Work For the Environment
I agree with the opinion that we, as a nation and even worldwide, must begin to control environmental conditions. It is becoming more and more obvious that our current and continual downslides are just as important to attempt to control. The environmental conditions of our world are just as the continued production of any other industry essential to the survival of human beings, if not more.
More and more one hears of the environmental issues that have risen as well as the ways in which to help improve the environment. Many people are coming to appreciate the fact that we are destroying our world, and that we must take steps to improve the environment and environmental threats that surround us.
Wind turbines collect energy from natural air flow. When this happens, due to the function of wind turbines, the air slows down and then spreads, diverting it around the wind turbine device or devices.
Here is a condensed idea of how the wind turbine works:
1. The Betz Limit
o Betz Law or, the Betz Limit determined that the use of a wind turbine can generate almost fifty-nine percent of the energy that would flow straight through the cross section in the construction of a turbine.
o No matter what kind of wind turbine or wind turbines one has, regardless of design, the Betz Limit applies.
o Albert Betz, a physicist from Germany, discovered this fact: that a wind turbine works (almost universally) as an incredibly effective kind of energy net for wind power.
o Albert Betz made this discovery in the year 1919.
2. The Unpredictability of Windy Weather
o Because windiness varies no matter where you live, it is impossible to predict exactly how much wind can be generated over a significant period of time such as the yield per year.
o In addition, different places have different probabilities of amounts of wind distribution.
o The most frequently used piece of equipment used to determine the wind speed distribution is a two – parameter Weibull distribution monitor.
o This piece of equipment is used to determine what have been termed “distribution shapes” from Gaussian to exponential.
For example: The Rayleigh model
This is a specific form of the Weilbull distribution function. In such a case, the distribution shape should be a parameter that equals two. Imitating or mirroring the distribution shapes, the Rayleigh model of the exact hourly wind speeds and patterns of a particular area.
3. Higher Wind Speed
o Because in certain places there is so much wind power to draw from, a lot of the wind in such places comes in gusts or short bursts.
o Here’s a good example:
When comparing the size of fueled power plants to the potential power of wind turbine farms, one will find that 10000 kW of wind turbine power is theoretically enough to produce as much power and energy as approximately one half of that, in power generation that is coal — fired.
o Despite unpredictability, the annual reports of wind turbine energy output usually vary by only a few points from year to year.
4. Turbine Sitting – when location is key:
o The general rule is that when a location has an average wind speed of ten miles per hour it is a perfect location for wind generators.
o Meteorology plays a very important part in the determination of exactly where to set up a wind farm or any other kind of wind turbine generator.
o Ideally, one wants a location with a constant stream of wind as opposed to turbulent, gusty high mph winds.
o The wind will virtually always blow faster at higher altitudes because of reduced drag from the sea or land, as well as the subsequently lower amounts of viscosity in the wind current.
o Very flat lands with smooth average speed winds are great locations for wind turbines as well.
5. Wind Parks and / or wind Farms of have many wind power turbines installed.
o Utility-scale wind turbine generators have to have limits for the operating minimum.
o This can prevent the application of a wind power generation system in especially cold areas
o There are, however, many experiments in the making. There are internal heaters, heating lubricants, and minimum temperature monitors to consider in the installation and use of wind turbines.
More and more one hears of the environmental issues that have risen as well as the ways in which to help improve the environment. Many people are coming to appreciate the fact that we are destroying our world, and that we must take steps to improve the environment and environmental threats that surround us.
Professionals have estimated that 1% to 3% of the Sun’s energy, the energy that hits the earth, transforms into wind energy. To give you an idea of how much energy this is, in simple terms: it is about fifty to one-hundred times the amount of energy that is produced by plant life and biomass over the entire earth.
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About The Author:
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Anne Clarke writes numerous articles for websites on gardening, parenting, fashion, and home decor. Her background includes teaching, gardening, and fashion. For more of her articles on wind power, please visit solarhome.org, suppliers of high quality Solar Energy products and other Alternative Energy Products . |
February 10th, 2007 at 5:42 am
Green initiatives are being subverted by big money. The oil & gas companies are investing in wind projects because wind commits us to burning gas. On account of generous subsidies, many industrial wind farms are being built in locations that aren’t efficient and impact adversely on the environment. People end up caught living in the middle of these blights surrounded by machines a mere 350 yds from their homes.
Our resources can be put to better use to arrest global warming. Has anybody taken a big picture look at fossil fuel consumption for electricity, transportation, industry, residential heating & air conditioning combined to say that wind is the best way to achieve the needed GHG cuts in the long term considering the environment, costs and fuel supply? Instead of the big grid power projects we should support conservation, energy efficiency, at home generation like micro wind and solar or are we at the end of that rope already?
The Germans have found that it is costly to get just 6% of their energy from wind. They are building high efficiency coal. Britain’s gas and electricity regulator now wants Britain’s Renewables Obligation scheme scrapped because it has cost consumers $billions and “Worse still, the emissions savings delivered are small and almost unbelievably expensive.”
http://news.independent.co.uk/business/analysis_and_features/article2192850.ece
It takes economic activity to pay the bills. We are stepping on to a treadmill that takes us nowhere but keeps us running and generating needless employment. The economic model needs to be overhauled. Why not just sit in the park? Read a book? Go for a walk? But then the technocrats wouldn’t have jobs and the ENRONs wouldn’t profit from get rich schemes. So they keep us running. “Build the mountain. They will have to come”. One child dies every 5 seconds from hunger related illness.
For all the $trillions of credit and wealth we generate and $hundreds of billions being committed to green initiatives, we are misdirecting efforts at a real and horrendous cost.
The Mayans built monuments to the weather gods and offered them human sacrifices.
They got it wrong. Their civilization fell apart and great cities were abandoned.
June 17th, 2007 at 9:07 pm
I would like to express my deepest thanks to everyone who made this website!
It would be nice if you add url of your site to my link directory.