… The following are the main accomplishments for the FY05 effort in heavy vehicle aerodynamic
drag reduction: 1. Assessed the performance of add-on drag reduction devices using CFD …

… to reduce the aerodynamic drag of a heavy vehicle by bleeding low speed air into the tractor/…
Marty Fletcher of US Xpress at the 2005 SAE Commercial Vehicle Engineering conference …

… of aerodynamic drag of heavy truck vehicles. • Establish a database of experimental,
computational, and conceptual design information, and demonstrate potential of new drag-…

… DOE-sponsored research project on truck aerodynamic drag … We have successfully
demonstated very significant drag … models of the GTRI Pneumatic Heavy Vehicle concept. We …

… the market penetration of heavy vehicle technologies supported by DOE, uses a payback …
Aerodynamic and Rolling resistance calculations are included in the model based on the …

… NOTICE: The project that is the subject of this report was approved by the Governing
Board of the National Research Council, whose members are drawn from the councils of the …

… of this project is to examine a number of aerodynamic drag … project reporting for submission
to the Department of Energy. … to 8 percent, as described in detail in past annual reports. …

… heavy trucks in the US increased by 3.7 percent annually. Considering that the number of …
methods to reduce aerodynamic drag in heavy-duty tractor trailers under a DOE project. The …

… This project will demonstrate drag reduction by using discrete roughness elements. It will
also be working on a compliant flap in which changes are made to the curvature of the flap to …

… Aerodynamic drag force is the force acting on the vehicle body … the external body of the
vehicle, since it covers about 65% of … the trailer of the truck by the department of Energy in 2004. …