Progress in Reducing Aerodynamic Drag for Higher Efficiency of Heavy Duty Trucks (Class 7-8)

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This paper describes research and development for reducing the aerodynamic drag of heavy vehicles by demonstrating new approaches for the numerical simulation and analysis of aerodynamic flow. In addition, greater use of newly developed computational tools holds promise for reducing the number of prototype tests, for cutting manufacturing costs, and for reducing overall time to market. Experimental verification and validation of new computational fluid dynamics methods are also an important part of this approach. Experiments on a model of an integrated tractor-trailer are underway at NASA Ames Research Center and the University of Southern California. Companion computer simulations are being ... continued below

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McCallen, Rose; Couch, Richard; Hsu, Juliana; Browand, Fred; Hammache, Mustapha; Leonard, Anthony et al. December 31, 1999.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 20 times , with 4 in the last month . More information about this report can be viewed below.

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Description

This paper describes research and development for reducing the aerodynamic drag of heavy vehicles by demonstrating new approaches for the numerical simulation and analysis of aerodynamic flow. In addition, greater use of newly developed computational tools holds promise for reducing the number of prototype tests, for cutting manufacturing costs, and for reducing overall time to market. Experimental verification and validation of new computational fluid dynamics methods are also an important part of this approach. Experiments on a model of an integrated tractor-trailer are underway at NASA Ames Research Center and the University of Southern California. Companion computer simulations are being performed by Sandia National Laboratories, Lawrence Livermore National Laboratory, and California Institute of Technology using state-of-the-art techniques, with the intention of implementing more complex methods in the future.

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OSTI as DE00771211

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  • Other Information: PBD: 31 Dec 1999

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  • Report No.: NONE
  • Grant Number: W-7405-Eng-48
  • DOI: 10.2172/771211 | External Link
  • Office of Scientific & Technical Information Report Number: 771211
  • Archival Resource Key: ark:/67531/metadc722761

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • December 31, 1999

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  • Sept. 29, 2015, 5:31 a.m.

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  • Aug. 8, 2016, 8:16 p.m.

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McCallen, Rose; Couch, Richard; Hsu, Juliana; Browand, Fred; Hammache, Mustapha; Leonard, Anthony et al. Progress in Reducing Aerodynamic Drag for Higher Efficiency of Heavy Duty Trucks (Class 7-8), report, December 31, 1999; California. (digital.library.unt.edu/ark:/67531/metadc722761/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.