These effects were understood to increase the intensity of sound levels for adjacent land uses at a non-linear rate. By the late 1960s scientists also became aware of the significant increase in sound levels emitted by automobiles at high speed. By the 1950s German and British automotive engineers were systematically analyzing the effects of automotive drag for the higher performance vehicles. As early as the 1920s engineers began to consider automobile shape in reducing aerodynamic drag at higher speeds. The frictional force of aerodynamic drag increases significantly with vehicle speed. For some classes of racing vehicles, it may also be important to produce downforce to improve traction and thus cornering abilities. Air is also considered a fluid in this case. Its main goals are reducing drag and wind noise, minimizing noise emission, and preventing undesired lift forces and other causes of aerodynamic instability at high speeds. ( March 2008) ( Learn how and when to remove this template message)Ī truck with added bodywork on top of the cab to reduce drag.Īutomotive aerodynamics is the study of the aerodynamics of road vehicles. There might be a discussion about this on the talk page. This article may be confusing or unclear to readers.
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