The following Marcopolo S.A. and the University of America project try to provide a solution of gas consummation using an aerodynamic design for long distance buses. The design of this coach is an imitation of the more perfect aerodynamic design in nature; “the drop of water.” In fact, the coach needed serious aerodynamic research in a wind tunnel before to conceiving the final product. This project includes: FEA aerodynamic analysis, drag and lift coefficient calculation, clay models and several on scale wind test economic and reliability evaluation for in-line production were applied.
The prototype proved the benefits of aerodynamic improvements with some useful advantages resulted in: The fuel consumption decrease, major conduction security, general vibrations reduction in coach, general appearance improvement, diminution of, better distribution of the weight throughout all the vehicle, and, multiplication of motor efficiency. The benefits are considerable interest, speaking also of the security improvement for the driver and the economic factor.
Samples of 2D aerodynamic FEM Analysis made with Algor
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