Large-eddy simulation of in-cylinder flows

D. C. Haworth

Research output: Contribution to journalArticlepeer-review

114 Scopus citations


Advances in physical models, numerical methods, and computational power together have brought large-eddy simulation (LES) to the point where it warrants serious consideration for computing in-cylinder turbulent flows. This article includes: a discussion of LES and how it differs from Reynolds-averaged Navier Stokes (RANS) modeling; motivation for transitioning to LES for in-cylinder flow in IC engines; and quantitative results for two motored engine configurations. 'Dynamic' subgrid-scale stress models are emphasized, and results from two different numerical approaches are discussed. Compared to RANS, LES requires a low level of empirical input, provides more complete information on in-cylinder flow structure, and makes previously inaccessible phenomena (e.g., cycle-to-cycle variability) amenable to analysis.

Original languageEnglish (US)
Pages (from-to)175-185
Number of pages11
JournalOil and Gas Science and Technology
Issue number2
StatePublished - 1999

All Science Journal Classification (ASJC) codes

  • General Chemical Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology


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