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Windmills

Windmills are machines used to convert wind energy into other usable forms. They are commonly used for the pumping of water or milling of grains.

841 Questions

What makes wind mills fly?

Windmills do not "fly" in the traditional sense. Windmills harness the power of wind to generate electricity or pump water by using the kinetic energy generated by the movement of the wind to turn blades attached to a rotor. This rotational motion is then converted into mechanical energy through a generator.

What energy transformations occur in a hairdryer?

Motor action occurs when electromagnetic energy (electricity) is converted into mechanical energy (rotation) by the fan motor. The fan then turns and air moves through the device. Electromagnetic energy (that same electricity) is also converted into thermal energy in the heating element, and from there the heat is transferred into the air as it passes by.

What would be a girly science fair project?

ANY science fair project done by a girl is "girly." Don't be limited by gender roles. If you're like, "Science is haaard!", i would say a girly science fair project would be something like this example:how long does it take flowers to grow Another thought: collect several scents over a wide range of prices-- for women and or men. Figure out a way to test how long-lasting the scents are. Put a very carefully measured amount of each on something odorless, and get a few people to help with a subjective scale of how much scent is left. Test them after fixed lengths of time... You get the point. Match up the results with any info you can find on the contents of the scent. What is the basic 'medium' or 'vehicle' substance that forms the base of the liquid? I understand that some scents have bases that give up the scent notoriously fast. This would actually be interesting, and might yield some surprising results.

Where is the best geographical location for an oncologist?

== == That would probably depend upon what you mean with "best". If best means, that you want to help as many people as possible and would thus like to chose the region with the most cancer patients Chernobyl might be the geographical location of your choice. If you just want to make as much money as possible you would probably chose to settle down in the US, as patients are charged more for their treatment then anywhere else. If you like the easy life you might think about going to an Arab country and have the royal family pay you a considerable income for not doing much.... If you like bureaucracy and have masochistic tendencies, Germany might be your pick, since you will send more time filling out forms for the public insurances than anything else.

How much energy does a wind mill produce?

Most turbines being set up 2012 in Europe are rated in the 1.5 MW to 3 MW range, 4 MW and 6 MW units have been set up but still are very few; 7 and 10 MW units are on the drawing boards of most large manufacturers.

As a rule of thumb some projectors calculate that a turbine will produce the rated power for 30% of the years 8760 hours. A 3 MW unit will then produce close to 7.9 GWh per year

Wind turbine manufacturers vary a little, but those such as General Electric (GE) produce a 1.5-megawatt model that is the industry average. This mean that if the wind blows within the ideal range, between 27 and 56 mph, a 1.5 MW wind turbine will produce power at the rate of 1.5 MW, its rated capacity. GE and others companies are producing turbines in the 2.5 to 3 MW range now, and research continues to develop even greater producing turbines.

All wind turbines have a range of wind speeds, usually this is from 30 to 55 mph. It is in this range that turbines will produce at rated, or maximum capacities. When the wind speed is slower, power output drops. For instance, if the wind speed falls to half of the rated capacity production decreases at a factor of eight. Turbine industry manufacturers estimate that annual output for most turbines is actually around 35% annually. Real world estimates put that power output at about 22.5% annually.

Here's another way to look at it:

The power output of a 1.5 MW turbine that produces for one year at 25% will produce 3,285 MWh (Mega Watt hours), equal to 3.285 million kWh (Kilowatt hours) during that year.

Total worldwide wind generated power output for 2008 was 121 GW (Gigawatts) -- 1 GW = 1,000 Megawatts = 1,000,000 Kilowatts = 1,000,000,000,000 watts.

For a better comparison, 1 kW equals about 1.34 horsepower. The average American home uses about 8,900 kilowatt-hours, or about 1kW continuously during the whole year.

How do you power a light bulb off of wind mill?

A wind turbine is used to convert the kinetic energy from the wind into mechanical power, which can then be used to generate electricity. The electricity generated can be stored in batteries and then used to power a light bulb.

How does a windmill operate?

A windmill operates by harnessing the power of the wind to generate mechanical energy, typically through the rotation of blades on a rotor. As the blades turn, they spin a shaft connected to a generator, which then converts the mechanical energy into electrical energy. This electricity can be used to power homes, businesses, or other appliances.

How does a wind mill works?

A windmill works by capturing the kinetic energy of the wind to rotate its blades. As the blades turn, they spin a generator inside the windmill, which converts the mechanical energy into electrical energy. This electricity can then be used to power homes, businesses, or other electrical devices.

How far apart should your meals be?

It is generally recommended to space meals approximately 4-6 hours apart. This allows enough time for digestion and helps regulate blood sugar levels throughout the day. Listen to your body's hunger cues to determine the timing that works best for you.

How does a windmill pump water?

As the reciprocating pump operates through the reciprocation of the follower, it guides the suction and the compression of the water in the pipe. That's so when the rotary motion of the rotor blade is converted into the reciprocating motion, which delivers it to the reciprocating pump, the suction and discharge takes place.

How do wind turbines work?

It is significant to ask this question as the two main types of wind turbines are horizontal and vertical, and these designs use the wind in slightly different ways regarding the wind energy harnessing process.

Horizontal wind turbines are the more common design, and use angled propeller type blades to create friction when facing the wind, resulting in the spinning motion.

The vertical axis design uses the wind to spin on a centre point on the ground, resulting in the whole construction spinning round.

The process of electricity production is significantly similar in both designs. The construction only makes a difference in the position and design of the blades which are used to create friction with the wind.

How do windmills produce energy?

Windmills produce energy by harnessing the kinetic energy of the wind. As the wind blows, it turns the blades of the windmill, which are connected to a rotor that spins inside a generator. This spinning rotor generates electricity, which can be collected and used as a source of renewable energy.

What is wind energy?

A large mass of air moving over the landscape represents a considerable amount of energy. By building devices that will spin when the wind blows, it is possible to harness some of that energy. Most modern wind turbines are several hundred feet high, with propellers that have 3 blades, each one about 150 long.

How does a wind turbine work?

Wind turbines operate on a simple principle. The energy in the wind turns two or three propeller-like blades around a rotor. The rotor is connected to the main shaft, which spins a generator to create electricity.

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

Wind turbines can be used to produce electricity for a single home or building, or they can be connected to an electricity grid (shown here) for more widespread electricity distribution.

How is wind collected or generated?

Wind is predominantly collected and generated using wind turbines. These turbines have blades that rotate when the wind blows, driving a generator to produce electricity. The kinetic energy in the wind is converted into mechanical power, which is then transformed into electrical energy.

Why are windmills located in coastal areas?

Windmills are often located in coastal areas because these regions tend to have strong and consistent winds, which are ideal for generating electricity from wind turbines. Coastal areas also have plenty of open space and few obstructions, allowing the wind to flow freely and generate more power. Additionally, placing windmills near coastlines helps to reduce visual impact and minimize noise disturbances for nearby communities.

What caused the Dutch to build windmills throughout the flatlands?

Industrialisation was the main cause. Windmills were primarily used for corn miling, land drainage and saw miling. Since the Dutch experience problems caused by wind and sea, they tried to make good use of their causes. So they built windmills throughout the flatland.

Geographically, windmills marked places in the flatlands when there was no such thing as GPS or maps.

Where is the best geographical location for windmills?

In windy places....

Commonly found in high locations, such as cliff faces, on top mountains, etc.

In Scandanavia, they are located almost everywhere, including at sea, where there are commonly high winds.

What is napoleans thinking about the windmill?

Napoleon is likely thinking about how the windmill can be used to improve the efficiency and productivity of the farm. He may also be considering how the windmill can bring in more revenue for the animals, while also solidifying his power and control over the other animals.

What is the mood on the story don quixote and the windmills?

In the story of Don Quixote and the windmills, the mood shifts between whimsical and delusional. Don Quixote sees the windmills as giants, showcasing his fantastical and chivalric mindset. The mood is often comical as the contrast between his perception and reality creates humor in the story.

What do Frederick and his men do to destroy the windmill in the book animal farm?

They drill holes into the stone and fill the holes with gunpowder, in preparation for them to blow the windmill up.

What does Don Quixote believe that windmills are?

Don Quixote was getting on in age and his eyesight wasn't too good. When he saw these particular windmills he thought they were evil giants and attacked them. He probably didn't have any quarrel with windmills in general.

What is the symbolism of windmills in don quixote?

Windmills were used to power wool factories. The spread of sheep farming for wool was displacing peasant farmers in much of Europe and Spain. The Don is defending the poor and the past. The windmills symbolise the big business titans of his times.

How many windmills are destroyed during the story?

Three windmills are destroyed during the story.

Where is the windmill in you spy spooky night?

In "You Spy Spooky Night," the windmill is located at the edge of town near the old haunted house. It stands tall and creaks in the wind as it overlooks the dark, mysterious surroundings of the story.