Earlier research demonstrated that a car following a cyclist can provide an aerodynamic
benefit to this cyclist. This effect could be large enough to potentially influence the outcome …

Highlights•Three hybrid RANS-LES models are compared to wind tunnel measurements for
two DrivAer car body configurations.•The turbulence models RANS shielding and transition …

The reconstructed route E39 along the west coast of Norway will provide efficient local and
regional transportation for people and goods. Efficient transportation implies safety …

Wheels and wheel houses contribute up to 25% of the total aerodynamic drag of passenger
cars and interact in a complex way with their surroundings. Rims and tires induce complex …

Aerodynamic interaction between vehicles on a roadway can modify the fuel use and
greenhouse gas emissions of the vehicle relative to their performance under isolated …

Traditionally, ground vehicle aerodynamics has been researched with highly simplified
models such as the Ahmed body and the SAE model. These models established and …

Automotive engineers use the wind tunnel to improve a vehicle's aerodynamic properties on
the road. However, a car driving on the road does not experience the steady-state, uniform …

In the developmental phase of an electric SUV model, optimizing the SUV model's
aerodynamic performance often involves the use of wheel deflectors to control airflow …

Aerodynamic development for road vehicles is usually carried out in a uniform steady-state
flow environment, either in the wind tunnel or in Computational Fluid Dynamics (CFD) …

The difficulties of testing a bluff automotive body of sufficient scale to match the on-road
vehicle Reynolds number in a closed wall wind tunnel has led to many approaches being …