Wind Tunnels

Latest Posts

  • After more than a decade away from race circuits, Jaguar Racing is joining the latest Formula E series
    Electric vehicles hogged the limelight at this year’s Paris Motor Show, and not just cars of the road-going variety. With the third season of the FIA Formula E championship commencing earlier...
  • Mark Gleason | Automotive Aerodynamics Expert and Former Chrysler Director
    Industry expert and Former Chrysler aerodynamics director, Mark Gleason, discusses the limitations of physical prototyping for automobiles.  He also highlights how and why the automotive...
  • We need a complete rethink about how the automotive industry measures fuel economy.
    We need a complete rethink about how the automotive industry measures fuel economy. The laboratory tested methods used globally today just aren’t fit for purpose. They’re riddled with...
  • Tesla has stated that with the new Model 3 electric car, it wants to reduce the drag co-efficient to an incredibly slippery 0.21 CD (210 counts), down from 0.24 on the Model S.
    Tesla has stated that with the new Model 3 electric car, it wants to reduce the drag coefficient to an incredibly slippery 0.21 CD (210 counts), down from 0.24 on the Model S. But the maker also...
  • There are many drawbacks to wind tunnels. Chief is not understanding why you’re getting the results shown. If you are aiming for an incredibly low drag co-efficient approaching 0.20, then you need to understand the science behind it.
    The mystique of the wind tunnel as the ultimate place to perfect a car’s aerodynamics is blinding some makers to the superior abilities of digital simulation. Retiring head of design at GM...
  • Exa's Dr. Paul Stewart discusses the importance of 3D visualization  for vehicle engineers and designers
    Carmakers are continually trying to produce new and exciting designs which appeal to a wide range of customers. At the same time, they’re having to meet increasingly stringent rules and...
  • Exa's demonstrates 3D visualization of automotive and commercial vehicle simulations at Fuel Economy Detroit
    The disparity between published test figures and real-world fuel economy has long been a topic of discussion, and in Europe, the average gap between the two has reportedly risen to 40%. The current...
  • The Importance of Integrated Design Simulation and Visualization Tools
    Exa's Dr. Paul Stewart discusses how automotive engineering and design studios can communicate through simulation and visualization to realize the full aerodynamic, thermal and acoustic potential...
  • Accurately model real world road conditions using Exa simulations
    Exa's Dr. Brad Duncan is interviewed regarding how engineers can model ever-changing road conditions to best predict real-world performance using Exa's software, PowerFLOW, for accurate...
  • Simulation provides insight into fine details that physical prototypes cannot such as this underhood engine cooling airflow
    Exa’s Dr. Ales Alajbegovic discusses the limitations of vehicle physical testing. He describes how physical prototypes of vehicles are extremely expensive to produce and are often only...
  • Exa PowerFLOW enables engineers to calculate how the turbulent vortices interact with the car and evolve around it, and accurately predict how dirt particles will behave.
    No car will stay clean, especially at this time of the year, but some cars unfortunately get filthy more quickly than others. So how do you figure out whether a new model is going to attract dirt in...
  • We’ve all experienced turbulence on an airplane, but back on terra firma those troublesome, swirling pockets of air can have just as great an impact on how a car moves along the road and how...
  • Simulation offers the hard numbers, provides exact insight into the cause or "why" certain results occur. Exa Corporation's Dr. Ales Alajbegovic explains how simulation-driven design...
  • In his ‘Confessions of a Capital Junkie’, Head of Fiat-Chrysler, Sergio Marchionne, paints the picture of an industry that increasingly struggles to make money. But the idea that car...
  • Makers love SUVs because they’re a global phenomenon. The same car will be snapped up in Milwaukee, Milan or Nanjing with comparatively few changes. The resulting economies of scale are great...
  • Exa Simulations Aide Complex Motorsports Engineering for Onroak Racecars
    The news out of Germany is that the owners of the Nürburgring have effectively banned timed runs, by insisting that manufacturers adhere to track speed limits. The desire to be fastest around...
  • Race car drivers feel the need for speed. Whether they’re hugging the curves at Circuit de la Sarthe or accelerating down the final stretch at Indianapolis Motor Speedway, race...
  • The emergence of autonomous cars will present many interesting technical challenges, not the least vehicle aerodynamics. Due to the nature of the problem, many of the aerodynamics challenges will...
  • A major theme, common to a number of manufacturers, at this year’s Geneva Motor Show was the continuing popularity of halo performance editions. Cars like the Ford GT supercar, Ford Focus RS,...
  •   Companies using cloud technology are accessing software that they previously did not have the bandwidth to support. Teams that are collaborating on common data in the cloud are gaining...
  • A-pillars used to be a simple strip of metal holding up the roof and providing a fixing point for the windscreen. Now they’ve become one of the most fiercely contested battlegrounds in the...
  •   You know that old saying, "Close but no cigar?" That's how we felt after reading Car & Driver's first-ever aerodynamic "comparo." (You just gotta love the...