Aerodynamics overview of the ground transportation systems (GTS) project for heavy vehicle drag reduction

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Description

The focus of the research was to investigate the fundamental aerodynamics of the base flow of a tractor trailer that would prove useful in fluid flow management. Initially, industry design needs and constraints were defined. This was followed by an evaluation of state-of-the-art Navier-Stokes based computational fluid dynamics tools. Analytical methods were then used in combination with computational tools in a design process. Several geometries were tested at 1:8 scale in a low speed wind tunnel. In addition to the baseline geometry, base add-on devices of the class of ogival boattails and slants were analyzed.

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18 p.

Creation Information

Gutierrez, W.T.; Hassan, B.; Croll, R.H. & Rutledge, W.H. December 31, 1995.

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This article 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 23 times . More information about this article can be viewed below.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

The focus of the research was to investigate the fundamental aerodynamics of the base flow of a tractor trailer that would prove useful in fluid flow management. Initially, industry design needs and constraints were defined. This was followed by an evaluation of state-of-the-art Navier-Stokes based computational fluid dynamics tools. Analytical methods were then used in combination with computational tools in a design process. Several geometries were tested at 1:8 scale in a low speed wind tunnel. In addition to the baseline geometry, base add-on devices of the class of ogival boattails and slants were analyzed.

Physical Description

18 p.

Notes

OSTI as DE96003750

Source

  • International congress and exposition of the Society of Automotive Engineers (SAE), Detroit, MI (United States), 26-29 Feb 1996

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  • Other: DE96003750
  • Report No.: SAND--95-1339C
  • Report No.: CONF-960204--2
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 170580
  • Archival Resource Key: ark:/67531/metadc626561

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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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Creation Date

  • December 31, 1995

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 12, 2016, 9:36 p.m.

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Gutierrez, W.T.; Hassan, B.; Croll, R.H. & Rutledge, W.H. Aerodynamics overview of the ground transportation systems (GTS) project for heavy vehicle drag reduction, article, December 31, 1995; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc626561/: accessed August 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.