szélprofil

A szélprofil, or wind profile, is a graphical representation of the variation of wind speed with height above the Earth's surface. It is a crucial tool in meteorology, aerodynamics, and wind energy studies, as it provides insights into the vertical distribution of wind speeds.

The wind profile is typically plotted on a graph with wind speed on the vertical axis and height on the horizontal axis. The shape of the wind profile can vary significantly depending on the atmospheric conditions and the terrain. In the lower atmosphere, the wind profile is often characterized by a logarithmic increase in wind speed with height, known as the logarithmic wind profile. This is due to the influence of surface friction, which slows down the wind near the ground.

Above the surface layer, the wind profile can exhibit different behaviors. In the free atmosphere, where the effects of surface friction are minimal, the wind speed may increase more gradually with height. In stable atmospheric conditions, the wind profile may become nearly constant with height, indicating a lack of vertical mixing.

The wind profile is influenced by various factors, including surface roughness, atmospheric stability, and the presence of obstacles such as buildings or trees. Understanding the wind profile is essential for designing wind turbines, predicting weather patterns, and assessing the potential for wind energy generation.