A numerical study of the impacts of volatile component blending on diesel spray evaporation and combustion.

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A multiphase computational fluid dynamics (CFD) code is used to simulate the evaporation and combustion processes of a diesel spray blended with a highly volatile component. The CFD code uses an Eulerian approach to model the liquid phase of diesel fuel with components of different boiling temperatures. The approach divides the droplets into size groups and assigns different boiling temperatures for each group. The CFD code accounts for liquid droplet flow, turbulent mixing, interfacial drag and heat transfer, droplet evaporation and combustion, radiation heat transfer, and pollutant kinetics. Using the code, a parametric study was conducted to investigate the impacts ... continued below

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6 pages

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Lee, H.L.; Chang, S.L. & Petrick, M. March 15, 2002.

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A multiphase computational fluid dynamics (CFD) code is used to simulate the evaporation and combustion processes of a diesel spray blended with a highly volatile component. The CFD code uses an Eulerian approach to model the liquid phase of diesel fuel with components of different boiling temperatures. The approach divides the droplets into size groups and assigns different boiling temperatures for each group. The CFD code accounts for liquid droplet flow, turbulent mixing, interfacial drag and heat transfer, droplet evaporation and combustion, radiation heat transfer, and pollutant kinetics. Using the code, a parametric study was conducted to investigate the impacts of a volatile component on the spray evaporation and combustion characteristics. The results indicate that the blending of a highly volatile component can have an impact on droplet evaporation rate and that thermal radiation is significant in spray combustion due to the formation of soot.

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6 pages

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  • 2002 Spring Technical Meeting of the Central State Section of the Combustion Institute, Knoxville, TN (US), 04/07/2002--04/09/2002

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  • Report No.: ANL/ES/CP-107140
  • Grant Number: W-31-109-ENG-38
  • Office of Scientific & Technical Information Report Number: 793876
  • Archival Resource Key: ark:/67531/metadc739506

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  • March 15, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • March 30, 2016, 5:51 p.m.

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Lee, H.L.; Chang, S.L. & Petrick, M. A numerical study of the impacts of volatile component blending on diesel spray evaporation and combustion., article, March 15, 2002; Illinois. (digital.library.unt.edu/ark:/67531/metadc739506/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.