Large Eddy Simulations of Flow Around Two Generic Vehicles in a Platoon

Mirzaei, Maryam, 1982 (författare): Chalmers tekniska högskola,Chalmers University of Technology

Krajnovic, Sinisa, 1970 (författare): Chalmers tekniska högskola,Chalmers University of Technology

(creator_code:org_t)

ISBN 9783319306025
2016-07-19
2016
Engelska.
Ingår i: Springer Proceedings in Physics. - Cham : Springer International Publishing. - 0930-8989 .- 1867-4941. - 9783319306025 ; 185, s. 283-288

Relaterad länk:: http://dx.doi.org/10...; visa fler...; https://doi.org/10.1...; https://research.cha...; visa färre...

Abstract Ämnesord

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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.

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