What inspired this hyper-efficient design?
The Hyundai Ioniq 6, a Korean electrical sedan, is near setting a report. It is certainly probably the most aerodynamic vehicles in the marketplace, each electrical and thermal.
Its drag coefficient of 0.21 is similar as the posh American electrical sedan Lucid Air. Of the fashions we all know, Lightyear does higher with a Cx of 0.175. Among the fashions already marketed, the Mercedes EQS can solely do higher with a coefficient of 0.20
Hyundai’s technological feat is much more spectacular as a result of their innovation will value a lot much less. While the Lightyear and Mercedes present costs above 100,000 euros, the Ioniq 6 ought to value round 50,000 euros. In truth, the primary version that represents the high quality is simply over 60,000 euros.
And to attain such effectivity, Hyundai has outfitted the Ioniq 6 with Mobile Aero elements. But earlier than coming to it, the creator has already imagined a line, a profile inspired by “streamlingers”. This was defined by Simon Loosby, Hyundai’s model director.
“Ioniq 6 began with a single curve that defines its profile and structure, the final word aerodynamic form. And the ‘electrified streamliner’ grew to become the automotive’s pet identify.”Loasby recalled.
“The actual beginnings of aerodynamic design and engineering started within the Thirties and we felt that taking inspiration from that period, and clearly nature, was the proper option to create uniqueness and lasting efficiency within the electrical automotive section. »
A refined mix of nature and engineering
Losby makes it clear that the engineering inspirations are in aviation. So, the fins on the spoiler’s edges are taken straight from the World War II British Spitfire fighter. This permits “to soak up roof airflow and scale back drag at spoiler ends”.
Jinhyuk Chang, Hyundai’s director of aerodynamic growth, detailed the inspiration from nature. The engineer stated he was inspired by the form of a peregrine falcon’s wings, “Especially the one he takes when he dives at his prey at 390 km/h”.
But this growth was solely the start of the design course of, earlier than the essential passage of the wind tunnel. The intention of the producer was to attain a further 10% effectivity when passing by way of the tunnel.
It was accompanied by CFD, the pc examine of fluid dynamics. Also, the software program used a morphing course of, which allowed the automobile to alter form and see the consequences of those adjustments straight.
In whole, Hyundai selected the form of the spoiler from 70 totally different choices. And thanks to those applied sciences the agency was in a position to combine lively aerodynamics into its mannequin. This chance was lengthy reserved for distinctive vehicles just like the Pagani Huara and its cellular flap.
What do these cellular aerodynamic elements carry?
The first shifting ingredient is positioned within the entrance bumper of the Hyundai Ioniq 6. This limits the aerodynamic resistance attributable to cooling. The fins transfer to shut the air inlets of the radiator, decreasing the entire air resistance by 20%.
Next to the entrance bumper, shapes redirect airflow away from the wheels, additionally creating drag. The aspect of the rear bumper additionally has a cloth that reduces wind resistance. The form that stands on the finish of the optics permits “Applying a line that coincides laterally with the top of the spoiler to ship airflow to the aspect of the automotive”.
Finally, a diffuser is built-in underneath the rear a part of the automotive, whereas the decrease half is roofed by the duvet. They forestall the mechanical elements from build up resistance when the air strain is excessive. Likewise, the hole between the wheels and the physique has been lowered to restrict wind resistance.
“In the period of electrical automobiles, wind resistance is extra necessary than another efficiency”stated Min Byung-hoon, Director of Performance Development “Through their mixed efforts, Hyundai’s aerodynamic engineers and designers have achieved a brand new benchmark for Hyundai and the Ioniq vary of brand name electrical automobiles with the Ioniq 6. »
Hyundai Ioniq 6 – Simon Loosby, Head of Design, offered it to us