Perrinn F1 Cad Model Full Car And

In CFD, the same experiment may be conducted in the form of a computer simulation.

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Perrinn F1 Cad Model Full Car And

First i would like to thank my partner in this work Jose Gallego Segura for giving me the opportunity to work on full car and for his efficient help and for sharing a lot of ideas in the design of F1 car.

I would also like to give my most sincere thank to Romuald Bavar my technical support from CD-adapco and for all the CD-adapco team (Satish Bonthu, Tammy deBoer.) for giving me the opportunity to run STAR-CCM on my laptop so i could work from home.

And in the end many thanks to my wonderful family my dear parents my dear sister and brother not only for their support on this project but also to understand my passion and dedication to Motorsport industry, also my dear friends Salah Benyahia and Rami Yousfie Tarek Jomaa and all who has supported me during this work.

The nature of the industry is such that there is a constant need for performance improvement.

Among the various factors which influence the performance of a car, such as powertrain, driver, weight, tires and aerodynamics, aerodynamics represents a major area that a constructor can invest in, and improve the car performanc.

During this thesis we will understand the CFD development of a Formula 1 car step by step.

Weighing just 605 kilograms in race trim, propelled by an engine that delivers in excess of 800 horsepower, a Formula 1 car is regularly subjected to braking and cornering forces in excess of 5g, The maximum speed depends on aerodynamic setup, which changes from circuit to circuit, but is usually around 340 kph, At that speed, the geometry of the car produces downforce of around two tons,This invisible force pushes the car into the ground, increasing traction and allowing the car to maintain higher cornering speeds and generate greater braking force.

Since both lift (in this case negative lift) and drag are functions of velocity squared, the ability to deliver an efficient aerodynamic package on raceday is a critical ingredient in reducing individual lap times by the fractions of a second that combined are the difference between winning and losing the race.

With engine development now frozen and only one tyre manufacturer supplying the whole grid, the aerodynamic package has become a single most important component of race car performance, The development of a cars aerodynamic package typically relies on an extensive wind tunnel programme, conducted in parallel with, and to some extent driven by, an even more extensive Computational Fluid Dynamics (CFD) programme.

In this mode CFD is largely used as a coarse filter, examining many possible design variants, from which only the best will be tested in the wind-tunnel 1.

It is not immediately obvious how the intense aerodynamic development of small racing cars, festooned as they are with drag producing wings, can be of any relevance to society.

However, the investment that the teams have made in aerodynamic development continues to drive technology that is of significant environmental importance.

All the teams make a large investment in aerodynamic competence as the car with the best aerodynamic package generally wins the championship.

Although our racing cars look nothing like road cars, buildings, wind generators or aeroplanes, all of these fields require significant aerodynamic expertise, and all of them benefit to some degree from the rapid development of aerodynamic understanding that Formula 1 engenders.

For many years, to be successful, a Formula 1 team must have mastered the skills necessary to maximise the ground effect downforce that can be generated between the underside of the car and the road.

Pursuit of this downforce has given rise to many, many millions of pounds of investment by the teams in wind tunnel technology that allows this tricky area of design to be accurately exploited.

Although neglected for many years by the mainstream road car industry, the aerodynamic importance of the region between the underside of the car and the ground has recently come to the fore, as it is clear that careful design in this region can yield substantial fuel consumption benefits through drag reduction.

Major road car manufacturers are now using precisely the same wind tunnel technology pioneered and perfected by Formula 1 ten years earlier to allow them to exploit this benefit 2.

With a wind tunnel, experiments are made by blowing wind over a real object in a controlled environment and measuring the aerodynamic forces that arise.

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