Large Eddy Simulations of Flow Around Two Generic Vehicles in a Platoon
Paper in proceedings, 2016

A detailed analysis of the effect of inter-vehicle distance on the flow structure of a two-model platoon is presented. Simulations are made for two Ahmed bodies with a slant angle of 25 degrees and for three inter-vehicle distances, d/L = 0.3, 0.5 and 1. The Reynolds number based on the body height was 30000. A drag increase was observed for the follower with d/L = 0.5, compared to the drag value of a single body in isolation. To explain the underlying reasons for the increase in drag, various instantaneous and time-averaged plots are presented and compared for different distances, and a significant change in flow structure was found in flows between the set-ups with d/L = 0.5 and d/L = 1.


Maryam Mirzaei

Chalmers, Applied Mechanics, Fluid Dynamics

Sinisa Krajnovic

Chalmers, Applied Mechanics, Fluid Dynamics

Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows

1867-4941 (eISSN)

Vol. 185 283-288

Areas of Advance


Subject Categories

Fluid Mechanics and Acoustics





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