Press release
2MB
maggio 25, 2021 - Alpine
The A110’s biggest fan
Comunicato Stampa disponibile solo in lingua originale.
Aerodynamics engineering is fundamental to the development of a high-performance sports car like the #alpine #A110. The benchmark for this discipline is found in Formula 1, where wind-tunnel testing has reached the highest levels of technical complexity. #pierresancinena, the aerodynamics engineer at #alpine Cars, conceived the idea of going into partnership with his colleagues in #alpine F1 Team to take advantage of their methods and tools. He takes us behind the scenes of a test like no other.
Eliminate lift, reduce drag to the minimum and generate downforce in a precise ratio: the efforts of aerodynamics engineers are crucial to ensuring that a Formula 1 car hugs the ground, goes as fast as possible in a straight line and maintains an optimum speed on bends. In Enstone (England), the home of – amongst others – the “chassis” group of #alpine F1 Team, there are some 100 to 120 engineers working constantly on the management of air flows, using digital CFD (computational fluid dynamics) tools or the wind-tunnel. Spoilers, deflectors, diffusers, side-pods, wings, cooling ducts: all these components, and more besides, are modelled as accurately as possible to optimise racing car performances.
The summit of aerodynamics achievement has been reached in Formula 1. That’s where we went for the best methods and tools.
Pierre Sancinéna, #alpine Cars aerodynamics engineer
PARTNERSHIP WITH ENSTONE
In Ulis (France), the home of #alpine Cars, #pierresancinena is thinking along the same lines as his colleagues in Enstone. This aerodynamics engineer, but also semi-professional driver*, has been managing the aerodynamics developments destined for current models in the #alpine and Renault Sport ranges (A110 and Mégane R.S. Trophy-R), as well as for future models for three years. He is quick to agree that “wind-tunnel work is essential when developing the aerodynamics aspects of a sports model like the A110”.
To optimise this work on the #alpine road models, he had the idea of calling in the aerodynamics development teams in Enstone. “We began to work together in March 2020 and meet every week to optimise our methodology and CFD tools, and apply Formula 1 methods to our tests”, he says.
This partnership with #alpine F1 Team covers specific know-how, to be used on future #alpine road models under development. The #alpine Cars teams have thus improved the correlation between the computer calculations and the results obtained in wind-tunnel tests. This means time and money saved by avoiding multiple development phases and restricting the to-ing and fro-ing between CFD and the wind-tunnel. However, to become more efficient and also optimise the direct development of certain components or parts of the vehicle, more is required.
NEW SENSORS
This is why an #A110 crossed the English Channel to go to the Enstone workshops to be fitted with lots of sensors used by F1 aerodynamics specialists: a hitherto unseen and extremely precious set of instruments to collect even more data to improve the mapping of pressures on the bodywork and of the flows around the vehicle. And it was at the beginning of March, in the S2A wind tunnel at Montigny-le-Bretonneux, that F1 could start to cast its spell over this utterly transformed test #A110.
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