01-02-2015, 08:25 PM
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aerodynamic of cars seminars reports
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16-03-2017, 02:29 PM
Aerodynamics is the study of forces and the resulting movement of objects through the air . For several decades, cars have been designed with aerodynamics in mind, and carmakers have come up with a variety of innovations that make cutting through that "wall" of air easier and less of an impact on daily driving . Essentially, having a car designed with airflow in mind means it has less difficulty to accelerate and can achieve better fuel economy numbers because the engine does not have to work almost as hard to push the car through the air wall.
Engineers have developed several ways of doing this. For example, the most rounded designs and shapes on the exterior of the vehicle are made to channel the air in a way that flows around the car with the least resistance possible. Some high performance cars even have parts that move the air smoothly through the bottom of the car. Many also include a spoiler - also known as rear wing - to keep the air from raising the wheels of the car and making it unstable at high speeds. Although, as you'll read later, most of the spoilers you see on cars are simply for decoration more than anything else.
Automobile aerodynamics is the study of the aerodynamics of road vehicles. Its main objectives are to reduce drag and wind noise, minimize noise emission and avoid unwanted lifting forces and other causes of aerodynamic instability at high speeds. Air is also considered a fluid in this case. For some classes of racing vehicles, it may also be important to produce aerodynamic force to improve traction and, therefore, cornering capabilities.
The drag force of the aerodynamic drag increases significantly with the speed of the vehicle. As early as the 1920s engineers began to consider the shape of the automobile in reducing downforce at higher speeds. In the 1950s, German and British automotive engineers systematically analyzed the effects of car trawling for higher performance vehicles. In the late 1960s, scientists also realized the significant increase in sound levels emitted by high-speed automobiles. These effects were understood to increase the intensity of sound levels for land uses adjacent to a non-linear rate. Soon highway engineers began designing roads to consider the effects of the drag speed produced sound levels, and car manufacturers considered the same factors in the design of the vehicle.
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