These wind turbines are purchased with cash, so while return on investment can be important to consider, it is not always the deciding factor of whether a project goes forward. Wind-powered machines used to grind grain and pump water, the windmill and wind pump, were developed in what is now Iran, Afghanistan, and Pakistan by the 9th century. In her profession one is always between wind and water. to escape (punishment, detection, etc.) It is not unusual for facility managers to partner with financial players while developing projects of this size. by a narrow margin; take a risk. Many states provide incentives for this class of machine. to dispense with or relinquish something characteristic of one’s habits or behavior in favor of something uncharacteristic, regardless of the possible consequences: to change direction; bend; turn; take a frequently bending course; to have a circular or spiral course or direction. Because these turbines are generally installed on shorter towers, you need to get a site evaluation in order to determine where to site the project to ensure it will perform as designed. is blowing. The greater the … Prevailing global winds are classified into three major belts in the Northern Hemisphere and three corresponding belts in the Southern Hemisphere. Ohio during the late 1800's and was used to charge batteries. Widespread significant wind damage can occur with higher wind speeds. The, Soggy coastal soils? Can you spell these 10 commonly misspelled words? may not seem like anything at all; in fact, we look right through it Technical Assistance Weather Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! It is a renewable source of energy that helps to cut down on the pollution of earth's air. This machine class is typically indistinguishable from utility-scale turbines on a technology basis. Wind power or wind energy describes the process by which the wind is used to generate mechanical power or electricity. The American Heritage® Science Dictionary Privacy, Office of Energy Efficiency & Renewable Energy. The first power-generating turbine was constructed in This class, except in very unusual situations, is typically financed through commercial lenders with their own due-diligence requirements and therefore require feasibility studies and onsite resource assessment campaigns. of 318 mph in an Oklahoma tornado Weather Jokes | Weather Folklore This mechanical power can be used for specific tasks (such as grinding grain or pumping water), or can be converted into electricity by a generator. When the sun comes up, the air over the land heats up quicker than that over water. Wind is moving air and is caused by differences in air Policy | ©Copyright 2015 Weather Wiz Kids® Absentee Ballot vs. Mail-In Ballot: Is There A Difference? Office of Energy Efficiency & Renewable Energy | before the 12th century, in the meaning defined at sense 1a, 15th century, in the meaning defined at transitive sense 2, before the 12th century, in the meaning defined at transitive sense 1a, 14th century, in the meaning defined at sense 4, 1586, in the meaning defined at transitive sense 1, Middle English, from Old English; akin to Old High German wint wind, Latin ventus, Greek aēnai to blow, Sanskrit vāti it blows, Middle English, from Old English windan to twist, move with speed or force, brandish; akin to Old High German wintan to wind, Umbrian ohavendu let him turn aside. High winds broke branches above the water and stripped off their leaves. Wind power or wind energy describes the process by which the wind is used to generate mechanical power or electricity. Lightning | Wind | Temperature | Wildfires | Earthquakes | Volcanoes | Climate | — Source: The impact of wind energy on UK energy dependence and resilience, wind. The deep stillness, or the unintermitted hollow blowing of the wind (according to the weather) are equally mournful. away from the wind; with the wind at one's back. and trees, and cause highway accidents as gusts push around cars and Wind definition is - a natural movement of air of any velocity; especially : the earth's air or the gas surrounding a planet in natural motion horizontally. The earth's surface has both land and water. Wind is able to lift roofs off buildings, blow down power lines Projects of this size may also trigger the need for onsite resource assessment, but often projects can move forward by using nearby measurements and experienced siting and project modeling. is described with direction and speed. DROUGHTS | EARTHQUAKES | FLOODING | HURRICANES | LANDSLIDES | TORNADOES | VOLCANOES | WILD FIRES | WINDS Researchers say still don’t know what whipped up this newly discovered wind event. The towers often exceed 200 feet, which need to be fitted with obstruction lighting. Wind is moving air and is caused by differences in air pressure within our atmosphere. Wind energy refers to capturing the energy from moving air, i.e., wind, and converting it into electricity. In 2013, about, 7.9% (28.4 TWh) of electricity generated in the UK, for example, came from wind turbines. [ wĭnd ] A current of air, especially a natural one that moves along or parallel to the ground, moving from an area of high pressure to an area of low pressure. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition The energy needs will determine the size of the turbine. Models & Tools Wind turbines cannot work if there is no wind, Weather Wonders That amount is enough to power 6.8million homes. air in natural motion, as that moving horizontally at any velocity along the earth's surface: A gentle wind blew through the valley.