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DAT AERODYNAMICS.

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by

Manasee V

on 13 April 2013

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Transcript of DAT AERODYNAMICS.

The Science of Cycling Aerodynamics Function Wind Resistance The subsystem that our group researched
is "Aerodynamics". The function is to allow
the bicycle to travel in a smoother and faster
pace. There are two types of drag; air pressure drag and direct friction. To reduce air pressure drag, streamline designs are made to help "slice" through the air.

Examples:
Shape of helmets, Leaning downwards to form streamline shape and etc. To reduce direct friction, bikers wear
"skin suits". These suits are very tight,
therefore causing the friction to reduce
from the air. The racing frames are also changed from round tubes to "tear drop" shaped tubes in order to reduce drag. Example of
skin suit As you've just seen, the suit is like a second layer of skin. This allows the air to travel across instead of getting caught between the spaces between the skin and the shirt. Example of racing frame: The skin suit: In order to move forward, you would have to push through heavy wind/air in front of you. This takes energy.
Aerodynamic efficiency--a streamlined shape that cuts through the air more smoothly--helps a cyclist to travel faster, with less effort. But the faster the cyclist goes, the more wind resistance is felt and that means that the cyclist must exert more energy to overcome it.
When racing cyclists try to get into high speeds, they focus not only on the amount of power, but also on greater aerodynamic efficiency.
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