A sprocket wheel on the windlass for taking links of the chain cable.

Category:Sea Words

Value of soil moisture, expressed as a percentage of the mass of dry soil, below which a plant living in the soil dies by wilting.

Category:Meteorology

An air operated device for hoisting or pulling. Similar to a slusher or tugger or An engine for handling drafts of cargo secured on deck and fitted with drums on a horizontal axle.

Category:Technical Terms

Air in motion relative to the surface of the earth. Almost exclusively used to denote the horizontal component.

Category:Meteorology

Same as wind sock.

Category:Meteorology

The direction from which the wind is blowing, measured in points of the compass or in azimuth degrees.

Category:Meteorology

Energy available from the movement of the wind across a landscape caused by the heating of the atmosphere, earth, and oceans by the sun.

Category:Energy Terms

An apparatus for converting the energy available in the wind to mechanical energy that can be used to power machinery (grain mills, water pumps) and to operate an electrical generator.

Category:Energy Terms

A WECS designed to produce electricity.

Category:Energy Terms

See gust and peak gust.

Category:Meteorology

The distance or length of flow of the air past a point during a given interval of time.

Category:Meteorology

A group of wind turbines interconnected to a common utility system through a system of transformers, distribution lines, and (usually) one substation. Operation, control, and maintenance functions are often centralized through a network of computerized mo ...

Category:Energy Terms

The process of characterizing the wind resource, and its energy potential, for a specific site or geographical area.

Category:Energy Terms

A diagram that indicates the average percentage of time that the wind blows from different directions, on a monthly or annual basis.

Category:Energy Terms

A flower-like diagram indicating the relative frequencies of different wind directions for a given station and period of time.

Category:Meteorology

The distance or length of flow of the air past a point during a given interval of time.

Category:Meteorology

A local variation of the wind vector or any of its components in a given direction.

Category:Meteorology

Same as windsock.

Category:Meteorology

A fabric cone attached to a metal ring and used to indicate wind direction. often at airfields.

Category:Meteorology

The rate of flow of the wind undisturbed by obstacles.

Category:Energy Terms