Aerodynamics of Heavy Vehicles

We present an overview of the aerodynamics of heavy vehicles, such as tractor-trailers, high-speed trains, and buses. We introduce three-dimensional flow structures around simplified model vehicles and heavy vehicles and discuss the flow-control devices used for drag reduction. Finally, we suggest i...

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Veröffentlicht in:	Annual review of fluid mechanics 2014-01, Vol.46 (1), p.441-468
Hauptverfasser:	Choi, Haecheon, Lee, Jungil, Park, Hyungmin
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences crosswind effect drag reduction Exact sciences and technology gap flow ground effect Ground, air and sea transportation, marine construction heavy vehicle Railway transportation and traffic Road transportation and traffic underbody flow wake flow
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Beschreibung
Zusammenfassung:	We present an overview of the aerodynamics of heavy vehicles, such as tractor-trailers, high-speed trains, and buses. We introduce three-dimensional flow structures around simplified model vehicles and heavy vehicles and discuss the flow-control devices used for drag reduction. Finally, we suggest important unsteady flow structures to investigate for the enhancement of aerodynamic performance and future directions for experimental and numerical approaches.
ISSN:	0066-4189 1545-4479
DOI:	10.1146/annurev-fluid-011212-140616