Rimac’s C_Two hypercar in wind tunnel testing

Engineered from the scratch, the GT was designed in simply more than 2 yrs. To develop the car’s aero bundle, the group began from a shut physique in 2D, shifting to 3D evaluation using CFD simulation.

With this the, have been capable to make use of the BURA supercomputer at the University or college of Rijeka in Croatia, which offers almost 7,000 cores. Hundreds of iterations, different tactics and geometries were examined practically. Because the preliminary style, every surface area developed several occasions.

Prior to the tooling level, the vehicle was tested inside the wind tunnel and the effects correlated with simulation. A full-scale C_Two modal was constructed particularly intended for the wind flow channel offering completely useful energetic aero parts, reasonable suspension system and brakes, followers, practical pressure drop throughout the radiator induration and the revolving tires. This kind of allowed the group to check the kind of parts quickly and review the benefits to CFD.

Blowing wind canal analysis was conducted in sessions, every concentrating about a different region: drag ratio, lift division, and chilling efficiency. The CFD final results was extremely near to the fresh results – as an example, the typical change between ruse and wind flow tunnel tests for pull coefficient was simply installment payments on 2.4%.

Rimac records it is definitely incredibly essential to merge the CFD effects with wind turbine business model measurements and monitor examining, which usually can be important to gain incredibly subjective opinions around the car.

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