why dont we use windmill

Why can't we just stick tons of wind turbines and , - reddit

r/askscience: Ask a science question, get a science answer The 'not in my backyard'-attitude can be a real annoying problem You ask people whether they would be in ,...

Know More

Why do farmers use windmills - Answers

Yes, farmers still use windmills to pump up water for their stock Also, there are still more than 1000 working windmills in the Netherlands, some of them acting as back up for the drainage pumps...

Know More

Heat your House with a Water Brake Windmill - Resilience

They require simple materials: wood and/or metal But although we cannot exclude their use in pre-industrial times, the first reference to heat producing windmills dates from the 1970s, when the Danes started building them in the wake of the first oil crisis Drawing of the heat generator of a heat generating windmill Source: [8]...

Know More

Aermotor Windmill Company - Wind-Powered Water Pumps

Aermotor Windmill Company Genuine Aermotor Windmills Since 1888 Made in the USA Contact us Call us at 800-854-1656 [email protected] Follow us...

Know More

Why Can't We Generate All Our Energy From Wind Power ,

Why not just build lots and lots of them until we produce enough power, thus solving the problems caused by dirty power plants? Sadly, as is often the case, reality is a bit more complex than that To answer this question, we need to better understand how wind power works, and how a power grid works...

Know More

How Are Windmills Used Today? | Sciencing

Windmills have been around for a long time in human history They are one of the first man-made methods of power generation The Dutch windmills are probably the best known examples of windmill construction, but other types of windmills have been used, and today, what we call windmills are actually highly refined and carefully engineered turbines that made the most of their ability to capture ....

Know More

Why don't people like wind turbines - Answers

From a survey of 100 people 78% of them would not like a wind farm near them But most of them don't mind it being anywhere else Maybe for these negatives and positiv Positives, - low ....

Know More

Why Don't We Harvest More Wind Power - The Windmills ,

This article explores the challenges of wind power and answers the question of why we do not use more of it currently It is worthy of your time to read...

Know More

If renewable energy can power entire countries, why , - CNET

If renewable energy can power entire countries, why isn't everyone doing it? A country getting all its electricity from a combination of wind, solar and hydro sounds like science fiction...

Know More

Why can't we quit fossil fuels? | Environment | The Guardian

Apr 17, 2013· Of course, oil, coal and gas use will level off eventually no matter what we do Fossil fuels are a finite resource and each year they get more expensive relative to renewables and nuclear But ....

Know More

why dont we use windmills - lepalaisdudragonbe

why dont we use windmills Pros & Cons of Wind Energy - Windustry Pros & Cons of Wind Energy In the US, the greatest source of human-caused greenhouse gas emissions is the power sector, at about 38% The largest source of power is coal, which, even though it produces less than 40% of the power, produces over 70% ,...

Know More

How Do Windmills Work? | Wonderopolis

For many years, people used windmills to grind grain Windmills also helped with irrigation and other farming needs Later, steam power and electricity replaced many windmills Today, though, special windmills called turbines are gaining popularity Turbines are windmills that use the power of the wind to make electricity The blades connect to ....

Know More

Why don"t we, in the US, use windmills? | Yahoo Answers

Nov 13, 2007· Why don"t we, in the US, use windmills? Anyone, who lives on a hill, knows that wind can be a powerful force The Dutch have harnessed this energy for many years...

Know More

Heat your House with a Water Brake Windmill - Resilience

They require simple materials: wood and/or metal But although we cannot exclude their use in pre-industrial times, the first reference to heat producing windmills dates from the 1970s, when the Danes started building them in the wake of the first oil crisis Drawing of the heat generator of a heat generating windmill Source: [8]...

Know More

why dont we use windmills? | Yahoo Answers

Jun 07, 2008· Yet we don't see the same people screaming about glass windowed buildings They cost too much,cost too much! The cry of people who don't like windmills The fact is: Windmills pay back their costs better than conventional coal fired plants, so long as the windmills are very large, meaning blades that are 130-140 feet long...

Know More

Why don't we power windmills with gasoline and air to ,

Feb 27, 2018· Your suggestion of a hydrocarbon fueled motor to drive the windmill when little or no wind is blowing has merit There is some design/stability complexity issues related to the fueled driver connected via a common through-motor shaft and then to t....

Know More

How windmill is made - making, history, used, processing ,

It should be noted that windmills may have been used in China over 2,000 years ago making it the actual birthplace for vertical-axis windmills However, the earliest recorded use found by archeologists in China is AD 1219 The concept of the windmill spread to Europe after the Crusad...

Know More

How Do Wind Turbines Work? | Department of Energy

Humans use this wind flow, or motion energy, for many purposes: sailing, flying a kite, and even generating electricity The terms "wind energy" and "wind power" both describe the process by which the wind is used to generate mechanical power or electricity...

Know More

Why can't we quit fossil fuels? | Environment | The Guardian

Apr 17, 2013· W e have far more oil, coal and gas than we can safely burn For all the millions of words written about climate change, the challenge really comes down to this: fuel is enormously useful ....

Know More

Windmill - Wikipedia

A windmill is a structure that converts wind power into rotational energy by means of vanes called sails or blades, specifically to mill grain (), but the term is also extended to windpumps, wind turbines and other applications Windmills were used throughout the high medieval and early modern periods; the horizontal or panemone windmill first appeared in Greater Iran during the 9th century ....

Know More

If renewable energy can power entire countries, why , - CNET

If renewable energy can power entire countries, why isn't everyone doing it? A country getting all its electricity from a combination of wind, solar and hydro sounds like science fiction...

Know More

Notes and queries: Why do wind turbines always have three ,

Sep 06, 2011· Why do wind turbines have only three blades? Wouldn't four be more effective? Like many design considerations, the number of blades on a wind turbine is a compromise...

Know More

Explain Why Wind Power Works But Permanent Magnet Power ,

Jun 01, 2008· If we put a windmill somewhere, we slow down a bit this air mass, and the lost energy of motion goes into the motion of the blades of the windmill, which in turn can crank a generator Something that is in motion has a certain energy (kinetic energy) By slowing it down, you can extract part of that energy That's what happens with a windmill...

Know More

Solar And Wind Energy May Be Nice, But How Can We , - NPR

Apr 05, 2016· Renewable energy like solar and wind is booming across the country as the costs of production have come down But the sun doesn't always shine, and the wind doesn't blow when we need it ,...

Know More

Why dont we have solar panels on the car roof? - YouTube

Feb 16, 2019· Many people ask why dont we have solar panels mounted on the roof of electric cars In this video we explore why We also look if it is feasible to put panels on electric cars and bus...

Know More

If renewable energy can power entire countries, why , - CNET

If renewable energy can power entire countries, why isn't everyone doing it? A country getting all its electricity from a combination of wind, solar and hydro sounds like science fiction...

Know More

Tilt at windmills - Idioms by The Free Dictionary

Definition of tilt at windmills in the Idioms Dictionary tilt at windmills phrase What does tilt at windmills expression mean? Definitions by the largest Idiom Dictionary...

Know More

Why do people hate wind turbines? - TheGreenAge

Sep 02, 2013· The reason for situating the turbines atop high towers, is that wind speeds tend to be higher at altitude and the power contained in the wind is proportional to the cube of the wind speed, so for example if a the wind speed is 3mph then the power is calculated as such 3 x 3 x 3 = 27...

Know More

Why Can't We Generate All Our Energy From Wind Power?

Another way to allow the power grid to handle more wind power would be to shape demand (meaning, to influence how much electricity people and industries use) A lot of it can be done using smart grid technologies, such as smart meters that can vary the price of electricity in real time (when the price is higher, demand goes down, when price is lower, demand goes up) and with deal with power ....

Know More

Why Wind Power Doesn't Work

Jan 20, 2012· It is also true that this use of wind power does lead to CO2 not being emitted so in that sense it works But that's not the question we want to ask ,...

Know More